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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 138.1
edited by Dilisi S
on 2024/10/30 02:44
Change comment: changes done up to secsion 3.1
To version 205.1
edited by Dilisi S
on 2024/11/19 21:19
Change comment: Nov 19 edits - part 1

Summary

Details

Page properties
Title
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1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa I/O Controller User Manual
Content
... ... @@ -17,14 +17,18 @@
17 17  
18 18  
19 19  
20 -= 1.Introduction =
20 += 1. Introduction =
21 21  
22 22  == 1.1 What is the LT-22222-L I/O Controller? ==
23 23  
24 24  (((
25 25  (((
26 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
26 +{{info}}
27 +**This manual is also applicable to the LT-33222-L.**
28 +{{/info}}
27 27  
30 +The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
31 +
28 28  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
29 29  )))
30 30  )))
... ... @@ -34,25 +34,26 @@
34 34  )))
35 35  
36 36  (((
37 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
38 -The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
39 -)))
41 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
40 40  
41 -(((
42 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
43 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
43 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Stack Community Network), you can select a network and register the LT-22222-L I/O controller with it.
44 +* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
45 +* Setup your own private LoRaWAN network.
44 44  
45 -* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
46 -* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
47 -* (% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Setup your own private LoRaWAN network.
47 +{{info}}
48 + You can use a LoRaWAN gateway, such as the [[Dragino LG308>>https://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], to expand or create LoRaWAN coverage in your area.
49 +{{/info}}
48 48  )))
49 49  
50 50  (((
51 -[[image:1653295757274-912.png]]
52 -
53 53  
54 +
55 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
54 54  )))
55 55  
58 +(% class="wikigeneratedid" %)
59 +[[image:lorawan-nw.jpg||height="354" width="900"]]
60 +
56 56  == 1.2 Specifications ==
57 57  
58 58  (% style="color:#037691" %)**Hardware System:**
... ... @@ -60,27 +60,27 @@
60 60  * STM32L072xxxx MCU
61 61  * SX1276/78 Wireless Chip 
62 62  * Power Consumption:
63 -** Idle: 4mA@12v
64 -** 20dB Transmit: 34mA@12v
65 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
68 +** Idle: 4mA@12V
69 +** 20dB Transmit: 34mA@12V
70 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew
66 66  
67 67  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
68 68  
69 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
70 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
74 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
75 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
71 71  * 2 x Relay Output (5A@250VAC / 30VDC)
72 72  * 2 x 0~~20mA Analog Input (res:0.01mA)
73 -* 2 x 0~~30V Analog Input (res:0.01v)
78 +* 2 x 0~~30V Analog Input (res:0.01V)
74 74  * Power Input 7~~ 24V DC. 
75 75  
76 76  (% style="color:#037691" %)**LoRa Spec:**
77 77  
78 78  * Frequency Range:
79 -** Band 1 (HF): 862 ~~ 1020 Mhz
80 -** Band 2 (LF): 410 ~~ 528 Mhz
84 +** Band 1 (HF): 862 ~~ 1020 MHz
85 +** Band 2 (LF): 410 ~~ 528 MHz
81 81  * 168 dB maximum link budget.
82 82  * +20 dBm - 100 mW constant RF output vs.
83 -* +14 dBm high efficiency PA.
88 +* +14 dBm high-efficiency PA.
84 84  * Programmable bit rate up to 300 kbps.
85 85  * High sensitivity: down to -148 dBm.
86 86  * Bullet-proof front end: IIP3 = -12.5 dBm.
... ... @@ -96,32 +96,30 @@
96 96  
97 97  == 1.3 Features ==
98 98  
99 -* LoRaWAN Class A & Class C protocol
104 +* LoRaWAN Class A & Class C modes
100 100  * Optional Customized LoRa Protocol
101 101  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
102 102  * AT Commands to change parameters
103 -* Remote configure parameters via LoRa Downlink
108 +* Remotely configure parameters via LoRaWAN Downlink
104 104  * Firmware upgradable via program port
105 105  * Counting
106 106  
107 107  == 1.4 Applications ==
108 108  
109 -* Smart Buildings & Home Automation
110 -* Logistics and Supply Chain Management
111 -* Smart Metering
112 -* Smart Agriculture
113 -* Smart Cities
114 -* Smart Factory
114 +* Smart buildings & home automation
115 +* Logistics and supply chain management
116 +* Smart metering
117 +* Smart agriculture
118 +* Smart cities
119 +* Smart factory
115 115  
116 116  == 1.5 Hardware Variants ==
117 117  
118 -
119 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
120 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
121 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
122 -(% style="text-align:center" %)
123 -[[image:image-20230424115112-1.png||height="106" width="58"]]
124 -)))|(% style="width:334px" %)(((
123 +(% style="width:524px" %)
124 +|(% style="width:94px" %)**Model**|(% style="width:98px" %)**Photo**|(% style="width:329px" %)**Description**
125 +|(% style="width:94px" %)**LT33222-L**|(% style="width:98px" %)(((
126 +
127 +)))|(% style="width:329px" %)(((
125 125  * 2 x Digital Input (Bi-direction)
126 126  * 2 x Digital Output
127 127  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -130,92 +130,199 @@
130 130  * 1 x Counting Port
131 131  )))
132 132  
133 -= 2. Powering ON the Device =
134 134  
135 -(% style="line-height:1.38" %)
136 -(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The LT-22222-L controller can be powered by a 7–24V DC power source.
137 +== 2. Assembling the device ==
137 137  
138 -* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect VIN to Power Input V+ and GND to Power Input V- to power the LT-22222-L controller.
139 -* (% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)Connect the positive wire of the power supply to the VIN screw terminal and the negative wire to the GND screw terminal.
139 +== 2.1 Connecting the antenna ==
140 140  
141 -(% style="font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; white-space: pre-wrap; font-family: Arial, sans-serif; color: rgb(0, 0, 0); font-weight: 400; font-style: normal; text-decoration: none" %)The power indicator (PWR) LED will turn on when the device is properly powered.
141 +Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
142 142  
143 +{{warning}}
144 +Warning! Do not power on the device without connecting the antenna.
145 +{{/warning}}
143 143  
147 +== 2.2 Terminals ==
148 +
149 +The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 terminals and the lower screw terminal block has 10 terminals.
150 +
151 +Upper screw terminal block (from left to right):
152 +
153 +(% style="width:634px" %)
154 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
155 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
156 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
157 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
158 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
159 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
160 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
161 +
162 +Lower screw terminal block (from left to right):
163 +
164 +(% style="width:633px" %)
165 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
166 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
167 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
168 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
169 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
170 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
171 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
172 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
173 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
174 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
175 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
176 +
177 +== 2.3 Connecting LT-22222-L to a Power Source ==
178 +
179 +The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
180 +
181 +Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** with the Network Server.
182 +
183 +{{warning}}
184 +We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.
185 +{{/warning}}
186 +
187 +
144 144  [[image:1653297104069-180.png]]
145 145  
146 146  
147 -= 3. Operation Mode =
191 += 3. Registering LT-22222-L with a LoRaWAN Network Server =
148 148  
149 -== 3.1 How does it work? ==
193 +By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports both OTAA (Over-the-Air Activation) and ABP (Activation By Personalization) methods to activate with a LoRaWAN Network Server. However, OTAA is the most secure method for activating a device with a LoRaWAN Network Server.
150 150  
151 -(((
152 -The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
153 153  
154 -For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
155 -)))
156 156  
157 -(((
197 +=== 3.2.1 Prerequisites ===
198 +
199 +The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
200 +
201 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. These registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
202 +
203 +[[image:image-20230425173427-2.png||height="246" width="530"]]
204 +
205 +{{info}}
158 158  In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
159 -)))
207 +{{/info}}
160 160  
209 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
161 161  
162 -== 3.2 Example to join LoRaWAN network ==
211 +=== 3.2.2 Registering with The Things Stack ===
163 163  
213 +{{info}}
214 +The Things Stack Sandbox was formally called The Things Stack Community Edition.
215 +{{/info}}
164 164  
165 -(((
166 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
167 167  
168 -
169 -)))
218 +The network diagram below shows how the LT-22222-L is connected to The Things Stack and integrates its data with the ThingsEye IoT platform.
170 170  
171 -[[image:image-20220523172350-1.png||height="266" width="864"]]
220 +[[image:dragino-ttn-te.jpg]]
172 172  
173 173  
174 -(((
175 -The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
223 +* Create a free account with [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] if you do not have a one yet.
224 +* Log in to your The Things Stack Sandbox account.
225 +* Create an application with The Things Stack if you do not have one yet.
226 +* Go to your application page and click on the **End devices** in the left menu.
227 +* On the End devices page, click on **+ Register end device**. Two registration options are available:
176 176  
177 -
178 -)))
179 179  
180 -(((
181 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
182 -)))
230 +==== 3.2.2.1 Using the LoRaWAN Device Repository ====
183 183  
184 -(((
185 -Each LT is shipped with a sticker with the default device EUI as below:
186 -)))
232 +* On the **Register end device** page:
233 +** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
234 +** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
235 +*** **End device brand**: Dragino Technology Co., Limited
236 +*** **Model**: LT22222-L I/O Controller
237 +*** **Hardware ver**: Unknown
238 +*** **Firmware ver**: 1.6.0
239 +*** **Profile (Region)**: Select the region that matches your device.
240 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
187 187  
188 -[[image:image-20230425173427-2.png||height="246" width="530"]]
189 189  
243 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
190 190  
191 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
192 192  
193 -**Add APP EUI in the application.**
246 +* Register end device page continued...
247 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'.
248 +** In the **DevEUI** field, enter the **DevEUI**.
249 +** In the **AppKey** field, enter the **AppKey.**
250 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
251 +** Under **After registration**, select the **View registered end device** option.
194 194  
195 -[[image:1653297955910-247.png||height="321" width="716"]]
253 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
196 196  
255 +==== ====
197 197  
198 -**Add APP KEY and DEV EUI**
257 +==== 3.2.2.2 Adding device manually ====
199 199  
200 -[[image:1653298023685-319.png]]
259 +* On the **Register end device** page:
260 +** Select the option **Enter end device specifies manually** under **Input method**.
261 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
262 +** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
263 +** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
264 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
265 +** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
266 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
201 201  
268 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
202 202  
203 -(((
204 -(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
205 205  
206 -
207 -)))
271 +* Register end device page continued...
272 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'
273 +** In the **DevEUI** field, enter the **DevEUI**.
274 +** In the **AppKey** field, enter the **AppKey**.
275 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
276 +** Under **After registration**, select the **View registered end device** option.
277 +** Click the **Register end device** button.
208 208  
209 -[[image:1653298044601-602.png||height="405" width="709"]]
279 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
210 210  
211 211  
212 -== 3.3 Uplink Payload ==
282 +You will be navigated to the **Device overview** page.
213 213  
214 214  
215 -There are five working modes + one interrupt mode on LT for different type application:
285 +[[image:lt-22222-device-overview.png||height="625" width="1000"]]
216 216  
217 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
218 218  
288 +==== 3.2.2.3 Joining ====
289 +
290 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
291 +
292 +Now power on your LT-22222-L. The **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
293 +
294 +
295 +[[image:lt-22222-join-network.png||height="625" width="1000"]]
296 +
297 +
298 +==== 3.2.2.4 Uplinks ====
299 +
300 +
301 +After successfully joining, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**). When the LT-22222-L sends an uplink message to the server, the **TX LED** turns on for **1 second**. By default, you will receive an uplink data message from the device every 10 minutes.
302 +
303 +Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
304 +
305 +[[image:lt-22222-ul-payload-decoded.png]]
306 +
307 +
308 +If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
309 +
310 +{{info}}
311 +The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
312 +{{/info}}
313 +
314 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
315 +
316 +
317 +==== 3.2.2.4 Uplinks ====
318 +
319 +When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
320 +
321 +
322 +== 3.3 Working Modes and Uplink Payload formats ==
323 +
324 +
325 +The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
326 +
327 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
328 +
219 219  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
220 220  
221 221  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
... ... @@ -226,12 +226,19 @@
226 226  
227 227  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
228 228  
339 +The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
340 +
229 229  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
230 230  
231 -
232 232  (((
233 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
344 +This is the default mode.
234 234  
346 +The uplink payload is 11 bytes long.
347 +
348 +(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
349 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
350 +It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
351 +
235 235  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
236 236  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
237 237  |Value|(((
... ... @@ -242,29 +242,29 @@
242 242  ACI1 Current
243 243  )))|(((
244 244  ACI2 Current
245 -)))|DIDORO*|(((
362 +)))|**DIDORO***|(((
246 246  Reserve
247 247  )))|MOD
248 248  )))
249 249  
250 250  (((
251 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
368 +(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, and its size is1 byte long as shown below.
252 252  
253 253  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
254 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
255 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
371 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
372 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
256 256  )))
257 257  
258 -* RO is for relay. ROx=1 : close, ROx=0 always open.
259 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
260 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
375 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
376 +* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW.
377 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
261 261  
262 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
379 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
263 263  
264 -For example if payload is: [[image:image-20220523175847-2.png]]
381 +For example, if the payload is: [[image:image-20220523175847-2.png]]
265 265  
266 266  
267 -**The value for the interface is:  **
384 +**The interface values can be calculated as follows:  **
268 268  
269 269  AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
270 270  
... ... @@ -274,36 +274,41 @@
274 274  
275 275  ACI2 channel current is 0x1300/1000=4.864mA
276 276  
277 -The last byte 0xAA= 10101010(B) means
394 +The last byte 0xAA= **10101010**(b) means,
278 278  
279 -* [1] RO1 relay channel is close and the RO1 LED is ON.
280 -* [0] RO2 relay channel is open and RO2 LED is OFF;
396 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
397 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
398 +* **[1] DI3 - not used for LT-22222-L.**
399 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
400 +* [1] DI1 channel input state:
401 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
402 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
403 +** DI1 LED is ON in both cases.
404 +* **[0] DO3 - not used for LT-22222-L.**
405 +* [1] DO2 channel output is LOW, and the DO2 LED is ON.
406 +* [0] DO1 channel output state:
407 +** DO1 is FLOATING when there is no load between DO1 and V+.
408 +** DO1 is HIGH and there is a load between DO1 and V+.
409 +** DO1 LED is OFF in both cases.
281 281  
282 -**LT22222-L:**
411 +Reserve = 0
283 283  
284 -* [1] DI2 channel is high input and DI2 LED is ON;
285 -* [0] DI1 channel is low input;
413 +MOD = 1
286 286  
287 -* [0] DO3 channel output state
288 -** DO3 is float in case no load between DO3 and V+.;
289 -** DO3 is high in case there is load between DO3 and V+.
290 -** DO3 LED is off in both case
291 -* [1] DO2 channel output is low and DO2 LED is ON.
292 -* [0] DO1 channel output state
293 -** DO1 is float in case no load between DO1 and V+.;
294 -** DO1 is high in case there is load between DO1 and V+.
295 -** DO1 LED is off in both case
296 -
297 297  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
298 298  
299 299  
300 300  (((
301 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
419 +**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins.
302 302  )))
303 303  
304 304  (((
305 -Total : 11 bytes payload
423 +The uplink payload is 11 bytes long.
306 306  
425 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
426 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
427 +It starts counting again when it reaches the maximum value.**
428 +
307 307  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
308 308  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
309 309  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -312,26 +312,26 @@
312 312  )))
313 313  
314 314  (((
315 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
437 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, FIRST, Reserve, Reserve, DO3, DO2 and DO1, and its size is 1 byte long as shown below.
316 316  
317 317  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
318 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
319 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
440 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
441 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
320 320  
321 -RO is for relay. ROx=1 : close , ROx=0 always open.
443 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
322 322  )))
323 323  
324 -* FIRST: Indicate this is the first packet after join network.
325 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
446 +* FIRST: Indicates that this is the first packet after joining the network.
447 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
326 326  
327 327  (((
328 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
450 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
329 329  
330 330  
331 331  )))
332 332  
333 333  (((
334 -**To use counting mode, please run:**
456 +**To activate this mode, run the following AT commands:**
335 335  )))
336 336  
337 337  (((
... ... @@ -352,24 +352,27 @@
352 352  (((
353 353  **For LT22222-L:**
354 354  
355 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
477 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
356 356  
357 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
479 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
358 358  
359 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
481 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
360 360  
361 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
483 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
362 362  
363 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
485 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
364 364  
365 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
487 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
366 366  )))
367 367  
368 368  
369 369  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
370 370  
493 +(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
494 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
495 +It starts counting again when it reaches the maximum value.**
371 371  
372 -**LT22222-L**: This mode the DI1 is used as a counting pin.
497 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
373 373  
374 374  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
375 375  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
... ... @@ -380,24 +380,24 @@
380 380  )))|DIDORO*|Reserve|MOD
381 381  
382 382  (((
383 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
508 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
384 384  
385 385  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
386 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
387 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
511 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
512 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
388 388  )))
389 389  
390 -* RO is for relay. ROx=1 : close, ROx=0 always open.
391 -* FIRST: Indicate this is the first packet after join network.
392 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
515 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
516 +* FIRST: Indicates that this is the first packet after joining the network.
517 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
393 393  
394 394  (((
395 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
520 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
396 396  )))
397 397  
398 398  
399 399  (((
400 -**To use counting mode, please run:**
525 +**To activate this mode, run the following AT commands:**
401 401  )))
402 402  
403 403  (((
... ... @@ -410,19 +410,25 @@
410 410  )))
411 411  
412 412  (((
413 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
538 +AT Commands for counting:
539 +
540 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
414 414  )))
415 415  
416 416  
417 417  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
418 418  
546 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
547 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
548 +It starts counting again when it reaches the maximum value.**
419 419  
550 +
420 420  (((
421 -**LT22222-L**: This mode the DI1 is used as a counting pin.
552 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
422 422  )))
423 423  
424 424  (((
425 -The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
556 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
426 426  
427 427  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
428 428  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
... ... @@ -432,25 +432,25 @@
432 432  )))
433 433  
434 434  (((
435 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
566 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
436 436  
437 437  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
438 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
439 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
569 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
570 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
440 440  )))
441 441  
442 -* RO is for relay. ROx=1 : close, ROx=0 always open.
443 -* FIRST: Indicate this is the first packet after join network.
444 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
573 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
574 +* FIRST: Indicates that this is the first packet after joining the network.
575 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
445 445  
446 446  (((
447 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
578 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
448 448  
449 449  
450 450  )))
451 451  
452 452  (((
453 -**To use this mode, please run:**
584 +**To activate this mode, run the following AT commands:**
454 454  )))
455 455  
456 456  (((
... ... @@ -463,27 +463,31 @@
463 463  )))
464 464  
465 465  (((
466 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
597 +AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
467 467  )))
468 468  
469 469  (((
470 -**Plus below command for AVI1 Counting:**
601 +**In addition to that, below are the commands for AVI1 Counting:**
471 471  
472 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
603 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI1 Count to 60)**
473 473  
474 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
605 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
475 475  
476 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
607 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
477 477  
478 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
609 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
479 479  )))
480 480  
481 481  
482 482  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
483 483  
615 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
616 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
617 +It starts counting again when it reaches the maximum value.**
484 484  
485 -**LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
620 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
621 +
487 487  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488 488  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
489 489  |Value|(((
... ... @@ -497,25 +497,25 @@
497 497  )))|MOD
498 498  
499 499  (((
500 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
635 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
501 501  
502 502  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
503 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
638 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
504 504  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
505 505  )))
506 506  
507 -* RO is for relay. ROx=1 : close, ROx=0 always open.
508 -* FIRST: Indicate this is the first packet after join network.
642 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
643 +* FIRST: Indicates that this is the first packet after joining the network.
509 509  * (((
510 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
645 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
511 511  )))
512 512  
513 513  (((
514 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
649 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
515 515  )))
516 516  
517 517  (((
518 -**To use this mode, please run:**
653 +**To activate this mode, run the following AT commands:**
519 519  )))
520 520  
521 521  (((
... ... @@ -528,29 +528,33 @@
528 528  )))
529 529  
530 530  (((
531 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
666 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
532 532  )))
533 533  
534 534  
535 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
670 +=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
536 536  
537 537  
538 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
673 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
539 539  
540 -For example, if user has configured below commands:
675 +For example, if you configure the following commands:
541 541  
542 -* **AT+MOD=1 ** **~-~->**  The normal working mode
543 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
677 +* **AT+MOD=1 ** **~-~->**  Sets the default working mode
678 +* **AT+ADDMOD6=1**   **~-~->**  Enables trigger mode
544 544  
545 -LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
680 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
546 546  
547 -1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
548 -1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
682 +1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
683 +1. (((
684 +Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
549 549  
550 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
686 +* The first uplink uses the payload specified in trigger mode (MOD=6).
687 +* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
688 +)))
551 551  
690 +(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
552 552  
553 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
692 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
554 554  
555 555  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
556 556  
... ... @@ -557,27 +557,25 @@
557 557  
558 558  **Example:**
559 559  
560 -AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
699 +AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
561 561  
562 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
701 +AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
563 563  
564 564  
704 +(% style="color:#4f81bd" %)**Trigger based on current**:
565 565  
566 -(% style="color:#4f81bd" %)**Trigger base on current**:
567 -
568 568  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
569 569  
570 570  
571 571  **Example:**
572 572  
573 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
711 +AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
574 574  
575 575  
714 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
576 576  
577 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
716 +DI status triggers Flag.
578 578  
579 -DI status trigger Flag.
580 -
581 581  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
582 582  
583 583  
... ... @@ -586,39 +586,38 @@
586 586  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
587 587  
588 588  
589 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
726 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
590 590  
591 591  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
592 592  
593 593  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
594 594  
595 - AA: Code for this downlink Command:
732 + AA: Type Code for this downlink Command:
596 596  
597 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
734 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
598 598  
599 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
736 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
600 600  
601 - yy2 yy2: AC1 or AV1 high limit.
738 + yy2 yy2: AC1 or AV1 HIGH limit.
602 602  
603 - yy3 yy3: AC2 or AV2 low limit.
740 + yy3 yy3: AC2 or AV2 LOW limit.
604 604  
605 - Yy4 yy4: AC2 or AV2 high limit.
742 + Yy4 yy4: AC2 or AV2 HIGH limit.
606 606  
607 607  
608 -**Example1**: AA 00 13 88 00 00 00 00 00 00
745 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
609 609  
610 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
747 +Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use)
611 611  
612 612  
613 -**Example2**: AA 02 01 00
750 +**Example 2**: AA 02 01 00
614 614  
615 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
752 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
616 616  
617 617  
618 -
619 619  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
620 620  
621 -MOD6 Payload : total 11 bytes payload
757 +MOD6 Payload: total of 11 bytes
622 622  
623 623  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
624 624  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
... ... @@ -632,10 +632,10 @@
632 632  MOD(6)
633 633  )))
634 634  
635 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
771 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
636 636  
637 637  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
638 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
774 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
639 639  |(((
640 640  AV1_LOW
641 641  )))|(((
... ... @@ -654,17 +654,17 @@
654 654  AC2_HIGH
655 655  )))
656 656  
657 -* Each bits shows if the corresponding trigger has been configured.
793 +* Each bit shows if the corresponding trigger has been configured.
658 658  
659 659  **Example:**
660 660  
661 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
797 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
662 662  
663 663  
664 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
800 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
665 665  
666 666  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
667 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
803 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
668 668  |(((
669 669  AV1_LOW
670 670  )))|(((
... ... @@ -683,20 +683,20 @@
683 683  AC2_HIGH
684 684  )))
685 685  
686 -* Each bits shows which status has been trigger on this uplink.
822 +* Each bit shows which status has been triggered on this uplink.
687 687  
688 688  **Example:**
689 689  
690 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
826 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
691 691  
692 692  
693 693  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
694 694  
695 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
696 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
697 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
831 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:674px" %)
832 +|(% style="width:64px" %)**bit 7**|(% style="width:68px" %)**bit 6**|(% style="width:63px" %)**bit 5**|(% style="width:66px" %)**bit 4**|(% style="width:109px" %)**bit 3**|(% style="width:93px" %)**bit 2**|(% style="width:109px" %)**bit 1**|(% style="width:99px" %)**bit 0**
833 +|(% style="width:64px" %)N/A|(% style="width:68px" %)N/A|(% style="width:63px" %)N/A|(% style="width:66px" %)N/A|(% style="width:109px" %)DI2_STATUS|(% style="width:93px" %)DI2_FLAG|(% style="width:109px" %)DI1_STATUS|(% style="width:99px" %)DI1_FLAG
698 698  
699 -* Each bits shows which status has been trigger on this uplink.
835 +* Each bits shows which status has been triggered on this uplink.
700 700  
701 701  **Example:**
702 702  
... ... @@ -723,230 +723,482 @@
723 723  )))
724 724  
725 725  
726 -== 3.4 ​Configure LT via AT or Downlink ==
862 +== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
727 727  
728 -
729 729  (((
730 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
865 +You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
731 731  )))
732 732  
733 733  (((
734 734  (((
735 -There are two kinds of Commands:
870 +There are two tytes of commands:
736 736  )))
737 737  )))
738 738  
739 -* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
874 +* (% style="color:blue" %)**Common commands**(%%):
740 740  
741 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
876 +* (% style="color:blue" %)**Sensor-related commands**(%%):
742 742  
743 -=== 3.4.1 Common Commands ===
878 +=== 3.4.1 Common commands ===
744 744  
745 -
746 746  (((
747 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
881 +These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
748 748  )))
749 749  
884 +=== 3.4.2 Sensor-related commands ===
750 750  
751 -=== 3.4.2 Sensor related commands ===
886 +These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
752 752  
888 +
753 753  ==== 3.4.2.1 Set Transmit Interval ====
754 754  
891 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
755 755  
756 -Set device uplink interval.
893 +(% style="color:#037691" %)**AT command**
757 757  
758 -* (% style="color:#037691" %)**AT Command:**
895 +(% border="2" style="width:500px" %)
896 +|**Command**|AT+TDC=<time>
897 +|**Response**|
898 +|**Parameters**|**time** : uplink interval is in milliseconds
899 +|**Example**|(((
900 +AT+TDC=30000
759 759  
760 -(% style="color:blue" %)**AT+TDC=N **
902 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
903 +)))
761 761  
905 +(% style="color:#037691" %)**Downlink payload**
762 762  
763 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
907 +(% border="2" style="width:500px" %)
908 +|**Payload**|(((
909 +<prefix><time>
910 +)))
911 +|**Parameters**|(((
912 +**prefix** : 0x01
764 764  
914 +**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
915 +)))
916 +|**Example**|(((
917 +01 **00 75 30**
765 765  
766 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
919 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
767 767  
768 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
921 +Conversion: 30000 (dec) = 00 75 30 (hex)
769 769  
923 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
924 +)))
770 770  
926 +==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
771 771  
772 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
928 +Sets the working mode.
773 773  
930 +(% style="color:#037691" %)**AT command**
774 774  
775 -Set work mode.
932 +(% border="2" style="width:500px" %)
933 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
934 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)
935 +|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
936 +**working_mode** :
776 776  
777 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
938 +1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
778 778  
779 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
940 +2 = Double DI Counting + DO + RO
780 780  
781 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
942 +3 = Single DI Counting + 2 x ACI + DO + RO
782 782  
783 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
944 +4 = Single DI Counting + 1 x Voltage Counting + DO + RO
784 784  
946 +5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
785 785  
948 +6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
949 +)))
950 +|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
951 +AT+MOD=2
786 786  
787 -==== 3.4.2.3 Poll an uplink ====
953 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
954 +)))
788 788  
956 +(% class="wikigeneratedid" %)
957 +(% style="color:#037691" %)**Downlink payload**
789 789  
790 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
959 +(% border="2" style="width:500px" %)
960 +|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
961 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
962 +**prefix** : 0x0A
791 791  
792 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
964 +**working_mode** : Working mode, represented by 1 byte in hexadecimal.
965 +)))
966 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
967 +0A **02**
793 793  
794 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
969 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
970 +)))
795 795  
796 -**Example**: 0x08FF, ask device to send an Uplink
972 +==== 3.4.2.3 Poll an uplink ====
797 797  
974 +Requests an uplink from LT-22222-L.
798 798  
976 +(% style="color:#037691" %)**AT command**
799 799  
800 -==== 3.4.2.4 Enable Trigger Mode ====
978 +There is no AT Command to request an uplink from LT-22222-L
801 801  
980 +(% style="color:#037691" %)**Downlink payload**
802 802  
803 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
982 +(% border="2" style="width:500px" %)
983 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
984 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
985 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
986 +08 FF
804 804  
805 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
988 +Requests an uplink from LT-22222-L.
989 +)))
806 806  
807 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
991 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
808 808  
809 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
993 +Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
810 810  
995 +(% style="color:#037691" %)**AT Command**
811 811  
812 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
997 +(% border="2" style="width:500px" %)
998 +|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
999 +|(% style="width:95px" %)**Response**|(% style="width:403px" %)
1000 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
1001 +**enable/disable trigger_mode** :
813 813  
814 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
1003 +1 = enable trigger mode
815 815  
1005 +0 = disable trigger mode
1006 +)))
1007 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1008 +AT+ADDMOD6=1
816 816  
1010 +Enable trigger mode for the current working mode
1011 +)))
817 817  
818 -==== 3.4.2.5 Poll trigger settings ====
1013 +(% style="color:#037691" %)**Downlink payload**
819 819  
1015 +(% border="2" style="width:500px" %)
1016 +|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
1017 +|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
1018 +**prefix** : 0x0A 06 (two bytes in hexadecimal)
820 820  
821 -Poll trigger settings
1020 +**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
1021 +)))
1022 +|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
1023 +0A 06 **01**
822 822  
823 -* (% style="color:#037691" %)**AT Command:**
1025 +Enable trigger mode for the current working mode
1026 +)))
824 824  
1028 +==== 3.4.2.5 Poll trigger settings ====
1029 +
1030 +Polls the trigger settings.
1031 +
1032 +(% style="color:#037691" %)**AT Command:**
1033 +
825 825  There is no AT Command for this feature.
826 826  
827 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
1036 +(% style="color:#037691" %)**Downlink Payload**
828 828  
829 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
1038 +(% border="2" style="width:500px" %)
1039 +|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
1040 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06 (two bytes in hexadecimal)
1041 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1042 +AB 06
830 830  
1044 +Uplinks the trigger settings.
1045 +)))
831 831  
1047 +==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
832 832  
833 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
1049 +Enable or disable DI1/DI2/DI3 as a trigger.
834 834  
1051 +(% style="color:#037691" %)**AT Command**
835 835  
836 -Enable Disable DI1/DI2/DI2 as trigger,
1053 +(% border="2" style="width:500px" %)
1054 +|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
1055 +|(% style="width:98px" %)**Response**|(% style="width:400px" %)
1056 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
1057 +**DI1_trigger:**
837 837  
838 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1059 +1 = enable DI1 trigger
839 839  
840 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1061 +0 = disable DI1 trigger
841 841  
1063 +**DI2 _trigger**
842 842  
843 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1065 +1 = enable DI2 trigger
844 844  
845 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
1067 +0 = disable DI2 trigger
1068 +)))
1069 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
1070 +AT+DTRI=1,0
846 846  
1072 +Enable DI1 trigger, disable DI2 trigger
1073 +)))
847 847  
1075 +(% class="wikigeneratedid" %)
1076 +(% style="color:#037691" %)**Downlink Payload**
848 848  
849 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
1078 +(% border="2" style="width:500px" %)
1079 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
1080 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1081 +**prefix :** AA 02 (two bytes in hexadecimal)
850 850  
1083 +**DI1_trigger:**
851 851  
852 -Set DI1 or DI3(for LT-33222-L) trigger.
1085 +1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
853 853  
854 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1087 +0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
855 855  
856 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1089 +**DI2 _trigger**
857 857  
858 -(% style="color:red" %)**b :** (%%)delay timing.
1091 +1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
859 859  
860 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1093 +0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
1094 +)))
1095 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1096 +AA 02 **01 00**
861 861  
1098 +Enable DI1 trigger, disable DI2 trigger
1099 +)))
862 862  
863 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
1101 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
864 864  
865 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
1103 +Sets DI1 or DI3 (for LT-33222-L) as a trigger.
866 866  
867 867  
1106 +(% style="color:#037691" %)**AT Command**
868 868  
869 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
1108 +(% border="2" style="width:500px" %)
1109 +|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
1110 +|(% style="width:101px" %)**Response**|(% style="width:397px" %)
1111 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1112 +**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
870 870  
1114 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1115 +)))
1116 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1117 +AT+TRIG1=1,100
871 871  
872 -Set DI2 trigger.
1119 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1120 +)))
873 873  
874 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1122 +(% class="wikigeneratedid" %)
1123 +(% style="color:#037691" %)**Downlink Payload**
875 875  
876 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1125 +(% border="2" style="width:500px" %)
1126 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
1127 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1128 +**prefix** : 09 01 (hexadecimal)
877 877  
878 -(% style="color:red" %)**b :** (%%)delay timing.
1130 +**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
879 879  
880 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1132 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
1133 +)))
1134 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1135 +09 01 **01 00 64**
881 881  
1137 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1138 +)))
882 882  
883 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1140 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
884 884  
885 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
1142 +Sets DI2 as a trigger.
886 886  
887 887  
1145 +(% style="color:#037691" %)**AT Command**
888 888  
889 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
1147 +(% border="2" style="width:500px" %)
1148 +|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
1149 +|(% style="width:94px" %)**Response**|(% style="width:404px" %)
1150 +|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
1151 +**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
890 890  
1153 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1154 +)))
1155 +|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
1156 +AT+TRIG2=0,100
891 891  
892 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1158 +Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1159 +)))
893 893  
894 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1161 +(% style="color:#037691" %)**Downlink Payload**
895 895  
896 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1163 +(% border="2" style="width:500px" %)
1164 +|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1165 +|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
1166 +**prefix** : 09 02 (hexadecimal)
897 897  
898 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1168 +**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
899 899  
1170 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
1171 +)))
1172 +|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
900 900  
1174 +==== ====
901 901  
1176 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1177 +
1178 +Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1179 +
1180 +(% style="color:#037691" %)**AT Command**
1181 +
1182 +(% border="2" style="width:500px" %)
1183 +|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
1184 +AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1185 +)))
1186 +|(% style="width:104px" %)**Response**|(% style="width:394px" %)
1187 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1188 +**AC1_LIMIT_LOW** : lower limit of the current to be checked
1189 +
1190 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked
1191 +
1192 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked
1193 +
1194 +**AC2_LIMIT_LOW** : higher limit of the current to be checked
1195 +)))
1196 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1197 +AT+ACLIM=10000,15000,0,0
1198 +
1199 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1200 +)))
1201 +|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1202 +
1203 +(% style="color:#037691" %)**Downlink Payload**
1204 +
1205 +(% border="2" style="width:500px" %)
1206 +|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1207 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1208 +**prefix **: AA 01 (hexadecimal)
1209 +
1210 +**AC1_LIMIT_LOW** : lower limit of the current to be checked, two bytes in hexadecimal
1211 +
1212 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked, two bytes in hexadecimal
1213 +
1214 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked, two bytes in hexadecimal
1215 +
1216 +**AC2_LIMIT_LOW** : higher limit of the current to be checked, two bytes in hexadecimal
1217 +)))
1218 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1219 +AA 01 **27** **10 3A** **98** 00 00 00 00
1220 +
1221 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA. Set all values to zero for AC2 limits because we are only checking AC1 limits.
1222 +)))
1223 +|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1224 +
902 902  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
903 903  
1227 +Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
904 904  
905 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1229 +(% style="color:#037691" %)**AT Command**
906 906  
907 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1231 +(% border="2" style="width:500px" %)
1232 +|(% style="width:104px" %)**Command**|(% style="width:387px" %)AT+AVLIM= AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1233 +|(% style="width:104px" %)**Response**|(% style="width:387px" %)
1234 +|(% style="width:104px" %)**Parameters**|(% style="width:387px" %)(((
1235 +**AC1_LIMIT_LOW** : lower limit of the current to be checked
908 908  
909 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1237 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked
910 910  
911 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1239 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked
912 912  
1241 +**AC2_LIMIT_LOW** : higher limit of the current to be checked
1242 +)))
1243 +|(% style="width:104px" %)**Example**|(% style="width:387px" %)(((
1244 +AT+AVLIM=3000,6000,0,2000
913 913  
1246 +Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V
1247 +)))
1248 +|(% style="width:104px" %)**Note**|(% style="width:387px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
914 914  
915 -==== 3.4.2.11 Trigger – Set minimum interval ====
1250 +(% style="color:#037691" %)**Downlink Payload**
916 916  
1252 +(% border="2" style="width:500px" %)
1253 +|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1254 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1255 +**prefix **: AA 00 (hexadecimal)
917 917  
918 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1257 +**AV1_LIMIT_LOW** : lower limit of the voltage to be checked, two bytes in hexadecimal
919 919  
920 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1259 +**AV1_LIMIT_HIGH **: higher limit of the voltage to be checked, two bytes in hexadecimal
921 921  
922 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1261 +**AV2_LIMIT_HIGH **: lower limit of the voltage to be checked, two bytes in hexadecimal
923 923  
924 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1263 +**AV2_LIMIT_LOW** : higher limit of the voltage to be checked, two bytes in hexadecimal
1264 +)))
1265 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1266 +AA 00 **0B B8 17 70 00 00 07 D0**
925 925  
926 -(((
927 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1268 +Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V.
928 928  )))
1270 +|(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
929 929  
1272 +==== 3.4.2.11 Trigger – Set minimum interval ====
930 930  
1274 +Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
931 931  
1276 +(% style="color:#037691" %)**AT Command**
1277 +
1278 +(% border="2" style="width:500px" %)
1279 +|(% style="width:113px" %)**Command**|(% style="width:385px" %)AT+ATDC=<time>
1280 +|(% style="width:113px" %)**Response**|(% style="width:385px" %)
1281 +|(% style="width:113px" %)**Parameters**|(% style="width:385px" %)(((
1282 +**time** : in minutes
1283 +)))
1284 +|(% style="width:113px" %)**Example**|(% style="width:385px" %)(((
1285 +AT+ATDC=5
1286 +
1287 +The device won't respond to the second trigger within 5 minutes after the first trigger.
1288 +)))
1289 +|(% style="width:113px" %)Note|(% style="width:385px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1290 +
1291 +(% style="color:#037691" %)**Downlink Payload**
1292 +
1293 +(% border="2" style="width:500px" %)
1294 +|(% style="width:112px" %)**Payload**|(% style="width:386px" %)<prefix><time>
1295 +|(% style="width:112px" %)**Parameters**|(% style="width:386px" %)(((
1296 +**prefix** : AC (hexadecimal)
1297 +
1298 +**time **: in minutes (two bytes in hexadecimal)
1299 +)))
1300 +|(% style="width:112px" %)**Example**|(% style="width:386px" %)(((
1301 +AC **00 05**
1302 +
1303 +The device won't respond to the second trigger within 5 minutes after the first trigger.
1304 +)))
1305 +|(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1306 +
932 932  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933 933  
1309 +Controls the digital outputs DO1, DO2, and DO3
934 934  
935 -* (% style="color:#037691" %)**AT Command**
1311 +(% style="color:#037691" %)**AT Command**
936 936  
937 -There is no AT Command to control Digital Output
1313 +There is no AT Command to control the Digital Output.
938 938  
939 939  
940 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1316 +(% style="color:#037691" %)**Downlink Payload**
941 941  
942 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1318 +(% border="2" style="width:500px" %)
1319 +|(% style="width:115px" %)**Payload**|(% style="width:383px" %)<prefix><DO1><DO2><DO3>
1320 +|(% style="width:115px" %)**Parameters**|(% style="width:383px" %)(((
1321 +**prefix** : 02 (hexadecimal)
943 943  
944 -(((
945 -If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1323 +**DOI** : 01: Low,  00: High, 11: No action (1 byte in hex)
1324 +
1325 +**DO2** : 01: Low,  00: High, 11: No action (1 byte in hex)
1326 +
1327 +**DO3 **: 01: Low,  00: High, 11: No action (1 byte in hex)
946 946  )))
1329 +|(% style="width:115px" %)**Examples**|(% style="width:383px" %)(((
1330 +02 **01 00 01**
947 947  
1332 +If there is a load between V+ and DOx, it means DO1 is set to low, DO2 is set to high, and DO3 is set to low.
1333 +
1334 +**More examples:**
1335 +
948 948  (((
949 -01: Low,  00: High ,  11: No action
1337 +01: Low,  00: High,  11: No action
950 950  
951 951  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
952 952  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
... ... @@ -956,15 +956,18 @@
956 956  )))
957 957  
958 958  (((
959 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1347 +(((
1348 +(% style="color:red" %)**Note: For the LT-22222-L, there is no DO3; the last byte can have any value.**
960 960  )))
961 961  
962 962  (((
963 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1352 +(% style="color:red" %)**The device will upload a packet if downlink code executes successfully.**
964 964  )))
1354 +)))
1355 +)))
965 965  
1357 +==== ====
966 966  
967 -
968 968  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
969 969  
970 970  
... ... @@ -989,7 +989,7 @@
989 989  00: DO pins will change to an inverter state after timeout 
990 990  
991 991  
992 -(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1383 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Port status:
993 993  
994 994  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
995 995  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -997,7 +997,7 @@
997 997  |0x00|DO1 set to high
998 998  |0x11|DO1 NO Action
999 999  
1000 -(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1391 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Port status:
1001 1001  
1002 1002  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1003 1003  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1005,7 +1005,7 @@
1005 1005  |0x00|DO2 set to high
1006 1006  |0x11|DO2 NO Action
1007 1007  
1008 -(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1399 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Port status:
1009 1009  
1010 1010  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1011 1011  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1013,16 +1013,16 @@
1013 1013  |0x00|DO3 set to high
1014 1014  |0x11|DO3 NO Action
1015 1015  
1016 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1407 +(% style="color:#4f81bd" %)**Sixth, Seventh, Eighth, and Ninth Bytes**:(%%) Latching time (Unit: ms)
1017 1017  
1018 1018  
1019 1019  (% style="color:red" %)**Note: **
1020 1020  
1021 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1412 + Since firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1022 1022  
1023 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1414 + Before firmware v1.6.0, the latch time only supported 2 bytes.
1024 1024  
1025 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1416 +(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1026 1026  
1027 1027  
1028 1028  **Example payload:**
... ... @@ -1029,22 +1029,21 @@
1029 1029  
1030 1030  **~1. A9 01 01 01 01 07 D0**
1031 1031  
1032 -DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1423 +DO1 pin, DO2 pin, and DO3 pin will be set to low, last for 2 seconds, and then revert to their original state.
1033 1033  
1034 1034  **2. A9 01 00 01 11 07 D0**
1035 1035  
1036 -DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1427 +DO1 pin is set to high, DO2 pin is set to low, and DO3 pin takes no action. This lasts for 2 seconds and then reverts to the original state.
1037 1037  
1038 1038  **3. A9 00 00 00 00 07 D0**
1039 1039  
1040 -DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1431 +DO1 pin, DO2 pin, and DO3 pin will be set to high, last for 2 seconds, and then all change to low.
1041 1041  
1042 1042  **4. A9 00 11 01 00 07 D0**
1043 1043  
1044 -DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1435 +DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which DO1 pin takes no action, DO2 pin is set to high, and DO3 pin is set to low.
1045 1045  
1046 1046  
1047 -
1048 1048  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1049 1049  
1050 1050  
... ... @@ -1059,7 +1059,7 @@
1059 1059  
1060 1060  
1061 1061  (((
1062 -If payload = 0x030100, it means set RO1 to close and RO2 to open.
1452 +If payload is 0x030100, it means setting RO1 to close and RO2 to open.
1063 1063  )))
1064 1064  
1065 1065  (((
... ... @@ -1080,9 +1080,9 @@
1080 1080  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1081 1081  
1082 1082  
1083 -
1084 1084  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1085 1085  
1475 +Controls the relay output time.
1086 1086  
1087 1087  * (% style="color:#037691" %)**AT Command:**
1088 1088  
... ... @@ -1094,15 +1094,15 @@
1094 1094  (% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1095 1095  
1096 1096  
1097 -This is to control the relay output time of relay. Include four bytes:
1487 +This is to control the relay output time. It includes four bytes:
1098 1098  
1099 1099  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
1100 1100  
1101 1101  (% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
1102 1102  
1103 -01: Relays will change back to original state after timeout.
1493 +01: Relays will change back to their original state after timeout.
1104 1104  
1105 -00: Relays will change to an inverter state after timeout
1495 +00: Relays will change to the inverter state after timeout.
1106 1106  
1107 1107  
1108 1108  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
... ... @@ -1115,12 +1115,12 @@
1115 1115  
1116 1116  (% style="color:red" %)**Note:**
1117 1117  
1118 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1508 + Since firmware v1.6.0, the latch time supports both 4 bytes and 2 bytes.
1119 1119  
1120 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1510 + Before firmware v1.6.0, the latch time only supported 2 bytes.
1121 1121  
1122 1122  
1123 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1513 +(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1124 1124  
1125 1125  
1126 1126  **Example payload:**
... ... @@ -1127,19 +1127,19 @@
1127 1127  
1128 1128  **~1. 05 01 11 07 D0**
1129 1129  
1130 -Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1520 +Relay1 and Relay2 will be set to NC, lasting 2 seconds, then revert to their original state
1131 1131  
1132 1132  **2. 05 01 10 07 D0**
1133 1133  
1134 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1524 +Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, then both will revert to their original state.
1135 1135  
1136 1136  **3. 05 00 01 07 D0**
1137 1137  
1138 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1528 +Relay1 will change to NO, Relay2 will change to NC, lasting 2 seconds, then Relay1 will change to NC, and Relay2 will change to NO.
1139 1139  
1140 1140  **4. 05 00 00 07 D0**
1141 1141  
1142 -Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1532 +Relay1 and Relay2 will change to NO, lasting 2 seconds, then both will change to NC.
1143 1143  
1144 1144  
1145 1145  
... ... @@ -1146,7 +1146,7 @@
1146 1146  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1147 1147  
1148 1148  
1149 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1539 +When the voltage exceeds the threshold, counting begins. For details, see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1150 1150  
1151 1151  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1152 1152  
... ... @@ -1155,15 +1155,76 @@
1155 1155  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1156 1156  
1157 1157  
1548 +(% style="color:#037691" %)**AT Command**
1158 1158  
1550 +(% border="2" style="width:500px" %)
1551 +|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage><logic>
1552 +|(% style="width:137px" %)**Response**|(% style="width:361px" %)
1553 +|(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
1554 +**voltage** : voltage threshold in mV
1555 +
1556 +**logic**:
1557 +
1558 +0 : lower than
1559 +
1560 +1: higher than
1561 +
1562 +if you leave logic parameter blank, it is considered 0
1563 +)))
1564 +|(% style="width:137px" %)**Examples**|(% style="width:361px" %)(((
1565 +AT+VOLMAX=20000
1566 +
1567 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1568 +
1569 +AT+VOLMAX=20000,0
1570 +
1571 +If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1572 +
1573 +AT+VOLMAX=20000,1
1574 +
1575 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1576 +)))
1577 +
1578 +(% style="color:#037691" %)**Downlink Payload**
1579 +
1580 +(% border="2" style="width:500px" %)
1581 +|(% style="width:140px" %)**Payload**|(% style="width:358px" %)<prefix><voltage><logic>
1582 +|(% style="width:140px" %)**Parameters**|(% style="width:358px" %)(((
1583 +**prefix** : A5 (hex)
1584 +
1585 +**voltage** : voltage threshold in mV (2 bytes in hex)
1586 +
1587 +**logic**: (1 byte in hexadecimal)
1588 +
1589 +0 : lower than
1590 +
1591 +1: higher than
1592 +
1593 +if you leave logic parameter blank, it is considered 1 (higher than)
1594 +)))
1595 +|(% style="width:140px" %)**Example**|(% style="width:358px" %)(((
1596 +A5 **4E 20**
1597 +
1598 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1599 +
1600 +A5 **4E 20 00**
1601 +
1602 +If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1603 +
1604 +A5 **4E 20 01**
1605 +
1606 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1607 +)))
1608 +
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1611 +This feature allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
1161 1161  
1162 1162  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1163 1163  
1164 1164  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1165 1165  
1166 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1617 +(% style="color:red" %)**bb cc dd ee: **(%%)The number to be set
1167 1167  
1168 1168  
1169 1169  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
... ... @@ -1171,12 +1171,55 @@
1171 1171  (% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1172 1172  
1173 1173  
1625 +(% style="color:#037691" %)**AT Command**
1174 1174  
1175 -==== 3.4.2.18 Counting ~-~- Clear Counting ====
1627 +(% border="2" style="width:500px" %)
1628 +|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter><number>
1629 +|(% style="width:134px" %)**Response**|(% style="width:364px" %)
1630 +|(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
1631 +**counting_parameter** :
1176 1176  
1633 +1: COUNT1
1177 1177  
1178 -Clear counting for counting mode
1635 +2: COUNT2
1179 1179  
1637 +3: AVI1 Count
1638 +
1639 +**number** : Start number
1640 +)))
1641 +|(% style="width:134px" %)**Example**|(% style="width:364px" %)(((
1642 +AT+SETCNT=1,10
1643 +
1644 +Sets the COUNT1 to 10.
1645 +)))
1646 +
1647 +(% style="color:#037691" %)**Downlink Payload**
1648 +
1649 +(% border="2" style="width:500px" %)
1650 +|(% style="width:135px" %)**Payload**|(% style="width:363px" %)<prefix><counting_parameter><number>
1651 +|(% style="width:135px" %)**Parameters**|(% style="width:363px" %)(((
1652 +prefix : A8 (hex)
1653 +
1654 +**counting_parameter** : (1 byte in hexadecimal)
1655 +
1656 +1: COUNT1
1657 +
1658 +2: COUNT2
1659 +
1660 +3: AVI1 Count
1661 +
1662 +**number** : Start number, 4 bytes in hexadecimal
1663 +)))
1664 +|(% style="width:135px" %)**Example**|(% style="width:363px" %)(((
1665 +A8 **01 00 00 00 0A**
1666 +
1667 +Sets the COUNT1 to 10.
1668 +)))
1669 +
1670 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
1671 +
1672 +This feature clears the counting in counting mode.
1673 +
1180 1180  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1181 1181  
1182 1182  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1183,14 +1183,30 @@
1183 1183  
1184 1184  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1185 1185  
1680 +(% style="color:#037691" %)**AT Command**
1186 1186  
1682 +(% border="2" style="width:500px" %)
1683 +|(% style="width:142px" %)**Command**|(% style="width:356px" %)AT+CLRCOUNT
1684 +|(% style="width:142px" %)**Response**|(% style="width:356px" %)-
1187 1187  
1188 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1686 +(% style="color:#037691" %)**Downlink Payload**
1189 1189  
1688 +(% border="2" style="width:500px" %)
1689 +|(% style="width:141px" %)**Payload**|(% style="width:357px" %)<prefix><clear?>
1690 +|(% style="width:141px" %)**Parameters**|(% style="width:357px" %)(((
1691 +prefix : A6 (hex)
1190 1190  
1693 +clear? : 01 (hex)
1694 +)))
1695 +|(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
1696 +
1697 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1698 +
1699 +This feature allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds.
1700 +
1191 1191  * (% style="color:#037691" %)**AT Command:**
1192 1192  
1193 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1703 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Sets the save time to 60 seconds. The device will save the counting result in internal flash every 60 seconds. (Min value: 30 seconds)
1194 1194  
1195 1195  
1196 1196  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
... ... @@ -1198,7 +1198,7 @@
1198 1198  (% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1199 1199  
1200 1200  (((
1201 -range: aa bb cc:0 to 16777215,  (unit:second)
1711 +Range: aa bb cc:0 to 16777215,  (unit: seconds)
1202 1202  )))
1203 1203  
1204 1204  
... ... @@ -1205,12 +1205,13 @@
1205 1205  
1206 1206  ==== 3.4.2.20 Reset save RO DO state ====
1207 1207  
1718 +This feature allows you to reset the saved relay output (RO) and digital output (DO) states when the device joins the network. By configuring this setting, you can control whether the device should retain or reset the relay states after a reset and rejoin to the network.
1208 1208  
1209 1209  * (% style="color:#037691" %)**AT Command:**
1210 1210  
1211 1211  (% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1212 1212  
1213 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1724 +(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state will not change when the device reconnects to the network.
1214 1214  
1215 1215  
1216 1216  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  ==== 3.4.2.21 Encrypted payload ====
1223 1223  
1735 +This feature allows you to configure whether the device should upload data in an encrypted format or in plaintext. By default, the device encrypts the payload before uploading. You can toggle this setting to either upload encrypted data or transmit it without encryption.
1224 1224  
1225 1225  * (% style="color:#037691" %)**AT Command:**
1226 1226  
... ... @@ -1235,9 +1235,9 @@
1235 1235  
1236 1236  * (% style="color:#037691" %)**AT Command:**
1237 1237  
1238 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1750 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port retrieves the reading of the current sensor.
1239 1239  
1240 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1752 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port retrieves the current sensor reading and uploads it.
1241 1241  
1242 1242  
1243 1243  
... ... @@ -1306,74 +1306,145 @@
1306 1306  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1307 1307  
1308 1308  
1309 -== 3.5 Integrate with Mydevice ==
1821 +== 3.5 Integrating with ThingsEye.io ==
1310 1310  
1823 +The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1311 1311  
1312 -Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1825 +=== 3.5.1 Configuring The Things Stack ===
1313 1313  
1314 -(((
1315 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1316 -)))
1827 +We use The Things Stack Sandbox in this example:
1317 1317  
1318 -(((
1319 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1829 +* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
1830 +* Select **MQTT** under **Integrations** in the left menu.
1831 +* In the **Connection information **section, under **Connection credentials**, The Things Stack displays an auto-generated **username**. You can use it or provide a new one.
1832 +* Click the **Generate new API key** button to generate a password. You can view it by clicking on the **visibility toggle/eye** icon. The API key works as the password.
1320 1320  
1321 -
1322 -)))
1834 +{{info}}
1835 +The username and  password (API key) you created here are required in the next section.
1836 +{{/info}}
1323 1323  
1324 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1838 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1325 1325  
1840 +=== 3.5.2 Configuring ThingsEye.io ===
1326 1326  
1842 +* Login to your [[ThingsEye.io >>https://thingseye.io]]account.
1843 +* Under the **Integrations center**, click **Integrations**.
1844 +* Click the **Add integration** button (the button with the **+** symbol).
1327 1327  
1328 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1846 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1329 1329  
1330 1330  
1331 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1849 +On the **Add integration** window, configure the following:
1332 1332  
1333 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1851 +**Basic settings:**
1334 1334  
1335 -Search under The things network
1853 +* Select **The Things Stack Community** from the **Integration type** list.
1854 +* Enter a suitable name for your integration in the **Name **text** **box or keep the default name.
1855 +* Ensure the following options are turned on.
1856 +** Enable integration
1857 +** Debug mode
1858 +** Allow create devices or assets
1859 +* Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
1336 1336  
1337 -[[image:1653356838789-523.png||height="337" width="740"]]
1861 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1338 1338  
1339 1339  
1340 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1864 +**Uplink data converter:**
1341 1341  
1342 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1866 +* Click the **Create new** button if it is not selected by default.
1867 +* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name.
1868 +* Click the **JavaScript** button.
1869 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
1870 +* Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
1343 1343  
1872 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1344 1344  
1345 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1346 1346  
1875 +**Downlink data converter (this is an optional step):**
1347 1347  
1348 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1877 +* Click the **Create new** button if it is not selected by default.
1878 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1879 +* Click the **JavaScript** button.
1880 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
1881 +* Click the **Next** button. You will be navigated to the **Connection** tab.
1349 1349  
1883 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1350 1350  
1351 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1352 1352  
1886 +**Connection:**
1353 1353  
1354 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1888 +* Choose **Region** from the **Host type**.
1889 +* Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
1890 +* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see Configuring The Things Stack).
1891 +* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1355 1355  
1893 +[[image:message-1.png]]
1356 1356  
1357 -== 3.6 Interface Detail ==
1358 1358  
1359 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1896 +* Click the **Add** button.
1360 1360  
1898 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1361 1361  
1362 -Support NPN Type sensor
1363 1363  
1901 +Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings.
1902 +
1903 +
1904 +[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1905 +
1906 +
1907 +==== 3.5.2.1 Viewing integration details ====
1908 +
1909 +Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
1910 +
1911 +[[image:integration-details.png||height="686" width="1000"]]
1912 +
1913 +
1914 +If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
1915 +
1916 +{{info}}
1917 +See also ThingsEye documentation.
1918 +{{/info}}
1919 +
1920 +==== **3.5.2.2 Viewing events** ====
1921 +
1922 +The **Events **tab displays all the uplink messages from the LT-22222-L.
1923 +
1924 +* Select **Debug **from the **Event type** dropdown.
1925 +* Select the** time frame** from the **time window**.
1926 +
1927 +[[image:thingseye-events.png||height="686" width="1000"]]
1928 +
1929 +
1930 +* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1931 +
1932 +[[image:thingseye-json.png||width="1000"]]
1933 +
1934 +
1935 +==== **3.5.2.3 Deleting an integration** ====
1936 +
1937 +If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
1938 +
1939 +
1940 +== 3.6 Interface Details ==
1941 +
1942 +=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
1943 +
1944 +
1945 +Supports NPN-type sensors.
1946 +
1364 1364  [[image:1653356991268-289.png]]
1365 1365  
1366 1366  
1367 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1950 +=== 3.6.2 Digital Input Ports: DI1/DI2 ===
1368 1368  
1369 1369  
1370 1370  (((
1371 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1954 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1372 1372  )))
1373 1373  
1374 1374  (((
1375 1375  (((
1376 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1959 +The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH and the DI LED status changes.
1377 1377  
1378 1378  
1379 1379  )))
... ... @@ -1383,7 +1383,7 @@
1383 1383  
1384 1384  (((
1385 1385  (((
1386 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1969 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1387 1387  )))
1388 1388  )))
1389 1389  
... ... @@ -1392,22 +1392,22 @@
1392 1392  )))
1393 1393  
1394 1394  (((
1395 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1978 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1396 1396  )))
1397 1397  
1398 1398  (((
1399 -This type of sensor will output a low signal GND when active.
1982 +This type of sensor outputs a low (GND) signal when active.
1400 1400  )))
1401 1401  
1402 1402  * (((
1403 -Connect sensor's output to DI1-
1986 +Connect the sensor's output to DI1-
1404 1404  )))
1405 1405  * (((
1406 -Connect sensor's VCC to DI1+.
1989 +Connect the sensor's VCC to DI1+.
1407 1407  )))
1408 1408  
1409 1409  (((
1410 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1993 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1411 1411  )))
1412 1412  
1413 1413  (((
... ... @@ -1415,7 +1415,7 @@
1415 1415  )))
1416 1416  
1417 1417  (((
1418 -If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
2001 +For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1419 1419  )))
1420 1420  
1421 1421  (((
... ... @@ -1423,22 +1423,22 @@
1423 1423  )))
1424 1424  
1425 1425  (((
1426 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
2009 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1427 1427  )))
1428 1428  
1429 1429  (((
1430 -This type of sensor will output a high signal (example 24v) when active.
2013 +This type of sensor outputs a high signal (e.g., 24V) when active.
1431 1431  )))
1432 1432  
1433 1433  * (((
1434 -Connect sensor's output to DI1+
2017 +Connect the sensor's output to DI1+
1435 1435  )))
1436 1436  * (((
1437 -Connect sensor's GND DI1-.
2020 +Connect the sensor's GND DI1-.
1438 1438  )))
1439 1439  
1440 1440  (((
1441 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
2024 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1442 1442  )))
1443 1443  
1444 1444  (((
... ... @@ -1446,7 +1446,7 @@
1446 1446  )))
1447 1447  
1448 1448  (((
1449 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
2032 +If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] is 24mA, Therefore, the LT-22222-L will detect this high-active signal.
1450 1450  )))
1451 1451  
1452 1452  (((
... ... @@ -1454,22 +1454,22 @@
1454 1454  )))
1455 1455  
1456 1456  (((
1457 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
2040 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1458 1458  )))
1459 1459  
1460 1460  (((
1461 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
2044 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1462 1462  )))
1463 1463  
1464 1464  * (((
1465 -Connect sensor's output to DI1+ with a serial 50K resistor
2048 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1466 1466  )))
1467 1467  * (((
1468 -Connect sensor's GND DI1-.
2051 +Connect the sensor's GND DI1-.
1469 1469  )))
1470 1470  
1471 1471  (((
1472 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
2055 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1473 1473  )))
1474 1474  
1475 1475  (((
... ... @@ -1477,37 +1477,37 @@
1477 1477  )))
1478 1478  
1479 1479  (((
1480 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
2063 +If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" wfd-invisible="true" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1481 1481  )))
1482 1482  
1483 1483  
1484 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
2067 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1485 1485  
1486 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
2069 +From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1487 1487  
1488 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
2071 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1489 1489  
1490 1490  [[image:image-20230616235145-1.png]]
1491 1491  
1492 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
2075 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1493 1493  
1494 1494  [[image:image-20240219115718-1.png]]
1495 1495  
1496 1496  
1497 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
2080 +=== 3.6.3 Digital Output Ports: DO1/DO2 ===
1498 1498  
1499 1499  
1500 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
2083 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1501 1501  
1502 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
2085 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1503 1503  
1504 1504  [[image:1653357531600-905.png]]
1505 1505  
1506 1506  
1507 -=== 3.6.4 Analog Input Interface ===
2090 +=== 3.6.4 Analog Input Interfaces ===
1508 1508  
1509 1509  
1510 -The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
2093 +The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1511 1511  
1512 1512  
1513 1513  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1514,14 +1514,14 @@
1514 1514  
1515 1515  [[image:1653357592296-182.png]]
1516 1516  
1517 -Example to connect a 4~~20mA sensor
2100 +Example: Connecting a 4~~20mA sensor
1518 1518  
1519 -We take the wind speed sensor as an example for reference only.
2102 +We will use the wind speed sensor as an example for reference only.
1520 1520  
1521 1521  
1522 1522  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1523 1523  
1524 -(% style="color:red" %)**Red:  12~~24v**
2107 +(% style="color:red" %)**Red:  12~~24V**
1525 1525  
1526 1526  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1527 1527  
... ... @@ -1534,7 +1534,7 @@
1534 1534  [[image:1653357648330-671.png||height="155" width="733"]]
1535 1535  
1536 1536  
1537 -Example connected to a regulated power supply to measure voltage
2120 +Example: Connecting to a regulated power supply to measure voltage
1538 1538  
1539 1539  [[image:image-20230608101532-1.png||height="606" width="447"]]
1540 1540  
... ... @@ -1543,7 +1543,7 @@
1543 1543  [[image:image-20230608101722-3.png||height="102" width="1139"]]
1544 1544  
1545 1545  
1546 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
2129 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1547 1547  
1548 1548  (% style="color:red" %)**Red:  12~~24v**
1549 1549  
... ... @@ -1554,9 +1554,9 @@
1554 1554  
1555 1555  
1556 1556  (((
1557 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
2140 +The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1558 1558  
1559 -**Note**: RO pins go to Open(NO) when device is power off.
2142 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1560 1560  )))
1561 1561  
1562 1562  [[image:image-20220524100215-9.png]]
... ... @@ -1567,10 +1567,11 @@
1567 1567  
1568 1568  == 3.7 LEDs Indicators ==
1569 1569  
2153 +The table below lists the behavior of LED indicators for each port function.
1570 1570  
1571 1571  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1572 1572  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1573 -|**PWR**|Always on if there is power
2157 +|**PWR**|Always on when there is power
1574 1574  |**TX**|(((
1575 1575  (((
1576 1576  Device boot: TX blinks 5 times.
... ... @@ -1577,7 +1577,7 @@
1577 1577  )))
1578 1578  
1579 1579  (((
1580 -Successful join network: TX ON for 5 seconds.
2164 +Successful network join: TX remains ON for 5 seconds.
1581 1581  )))
1582 1582  
1583 1583  (((
... ... @@ -1584,32 +1584,34 @@
1584 1584  Transmit a LoRa packet: TX blinks once
1585 1585  )))
1586 1586  )))
1587 -|**RX**|RX blinks once when receive a packet.
1588 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1589 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
2171 +|**RX**|RX blinks once when a packet is received.
2172 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
2173 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1590 1590  |**DI1**|(((
1591 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
2175 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1592 1592  )))
1593 1593  |**DI2**|(((
1594 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
2178 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1595 1595  )))
1596 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1597 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
2180 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
2181 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1598 1598  
1599 -= 4. Use AT Command =
2183 += 4. Using AT Commands =
1600 1600  
1601 -== 4.1 Access AT Command ==
2185 +The LT-22222-L supports programming using AT Commands.
1602 1602  
2187 +== 4.1 Connecting the LT-22222-L to a PC ==
1603 1603  
1604 1604  (((
1605 -LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
2190 +You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
2191 +
2192 +[[image:usb-ttl-programming.png]]
1606 1606  )))
1607 1607  
1608 -[[image:1653358238933-385.png]]
1609 1609  
1610 1610  
1611 1611  (((
1612 -In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
2198 +On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
1613 1613  )))
1614 1614  
1615 1615  [[image:1653358355238-883.png]]
... ... @@ -1616,194 +1616,63 @@
1616 1616  
1617 1617  
1618 1618  (((
1619 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1620 -)))
2205 +You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1621 1621  
1622 -(((
1623 -AT+<CMD>?        : Help on <CMD>
2207 +== 4.2 LT-22222-L related AT commands ==
1624 1624  )))
1625 1625  
1626 1626  (((
1627 -AT+<CMD>         : Run <CMD>
1628 -)))
2211 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
1629 1629  
1630 -(((
1631 -AT+<CMD>=<value> : Set the value
2213 +* **##AT##+<CMD>?** : Help on <CMD>
2214 +* **##AT##+<CMD>** : Run <CMD>
2215 +* **##AT##+<CMD>=<value>** : Set the value
2216 +* **##AT##+<CMD>=?** : Get the value
2217 +* ##**ATZ**##: Trigger a reset of the MCU
2218 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
2219 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
2220 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
2221 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
2222 +* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
2223 +* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
2224 +* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
2225 +* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
2226 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2227 +* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2228 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
2229 +* AT+PNM: Get or set the public network mode. (0: off, 1: on)
2230 +* AT+RX2FQ: Get or set the Rx2 window frequency
2231 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
2232 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
2233 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
2234 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
2235 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
2236 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
2237 +* AT+NWKID: Get or set the Network ID
2238 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
2239 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
2240 +* AT+CLASS: Get or set the Device Class
2241 +* AT+JOIN: Join network
2242 +* AT+NJS: Get OTAA Join Status
2243 +* AT+SENDB: Send hexadecimal data along with the application port
2244 +* AT+SEND: Send text data along with the application port
2245 +* AT+RECVB: Print last received data in binary format (with hexadecimal values)
2246 +* AT+RECV: Print last received data in raw format
2247 +* AT+VER: Get current image version and Frequency Band
2248 +* AT+CFM: Get or Set the confirmation mode (0-1)
2249 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
2250 +* AT+SNR: Get the SNR of the last received packet
2251 +* AT+RSSI: Get the RSSI of the last received packet
2252 +* AT+TDC: Get or set the application data transmission interval in ms
2253 +* AT+PORT: Get or set the application port
2254 +* AT+DISAT: Disable AT commands
2255 +* AT+PWORD: Set password, max 9 digits
2256 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
2257 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
2258 +* AT+CFG: Print all settings
1632 1632  )))
1633 1633  
1634 -(((
1635 -AT+<CMD>=?       :  Get the value
1636 -)))
1637 1637  
1638 -(((
1639 -ATZ: Trig a reset of the MCU
1640 -)))
1641 -
1642 -(((
1643 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1644 -)))
1645 -
1646 -(((
1647 -AT+DEUI: Get or Set the Device EUI
1648 -)))
1649 -
1650 -(((
1651 -AT+DADDR: Get or Set the Device Address
1652 -)))
1653 -
1654 -(((
1655 -AT+APPKEY: Get or Set the Application Key
1656 -)))
1657 -
1658 -(((
1659 -AT+NWKSKEY: Get or Set the Network Session Key
1660 -)))
1661 -
1662 -(((
1663 -AT+APPSKEY:  Get or Set the Application Session Key
1664 -)))
1665 -
1666 -(((
1667 -AT+APPEUI:  Get or Set the Application EUI
1668 -)))
1669 -
1670 -(((
1671 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1672 -)))
1673 -
1674 -(((
1675 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1676 -)))
1677 -
1678 -(((
1679 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1680 -)))
1681 -
1682 -(((
1683 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1684 -)))
1685 -
1686 -(((
1687 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1688 -)))
1689 -
1690 -(((
1691 -AT+RX2FQ: Get or Set the Rx2 window frequency
1692 -)))
1693 -
1694 -(((
1695 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1696 -)))
1697 -
1698 -(((
1699 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1700 -)))
1701 -
1702 -(((
1703 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1704 -)))
1705 -
1706 -(((
1707 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1708 -)))
1709 -
1710 -(((
1711 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1712 -)))
1713 -
1714 -(((
1715 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1716 -)))
1717 -
1718 -(((
1719 -AT+NWKID: Get or Set the Network ID
1720 -)))
1721 -
1722 -(((
1723 -AT+FCU: Get or Set the Frame Counter Uplink
1724 -)))
1725 -
1726 -(((
1727 -AT+FCD: Get or Set the Frame Counter Downlink
1728 -)))
1729 -
1730 -(((
1731 -AT+CLASS: Get or Set the Device Class
1732 -)))
1733 -
1734 -(((
1735 -AT+JOIN: Join network
1736 -)))
1737 -
1738 -(((
1739 -AT+NJS: Get OTAA Join Status
1740 -)))
1741 -
1742 -(((
1743 -AT+SENDB: Send hexadecimal data along with the application port
1744 -)))
1745 -
1746 -(((
1747 -AT+SEND: Send text data along with the application port
1748 -)))
1749 -
1750 -(((
1751 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1752 -)))
1753 -
1754 -(((
1755 -AT+RECV: Print last received data in raw format
1756 -)))
1757 -
1758 -(((
1759 -AT+VER:  Get current image version and Frequency Band
1760 -)))
1761 -
1762 -(((
1763 -AT+CFM: Get or Set the confirmation mode (0-1)
1764 -)))
1765 -
1766 -(((
1767 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1768 -)))
1769 -
1770 -(((
1771 -AT+SNR: Get the SNR of the last received packet
1772 -)))
1773 -
1774 -(((
1775 -AT+RSSI: Get the RSSI of the last received packet
1776 -)))
1777 -
1778 -(((
1779 -AT+TDC: Get or set the application data transmission interval in ms
1780 -)))
1781 -
1782 -(((
1783 -AT+PORT: Get or set the application port
1784 -)))
1785 -
1786 -(((
1787 -AT+DISAT: Disable AT commands
1788 -)))
1789 -
1790 -(((
1791 -AT+PWORD: Set password, max 9 digits
1792 -)))
1793 -
1794 -(((
1795 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1796 -)))
1797 -
1798 -(((
1799 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1800 -)))
1801 -
1802 -(((
1803 -AT+CFG: Print all settings
1804 -)))
1805 -
1806 -
1807 1807  == 4.2 Common AT Command Sequence ==
1808 1808  
1809 1809  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1812,41 +1812,41 @@
1812 1812  
1813 1813  
1814 1814  (((
1815 -(% style="color:blue" %)**If device has not joined network yet:**
2270 +(% style="color:blue" %)**If the device has not yet joined the network:**
1816 1816  )))
1817 1817  )))
1818 1818  
1819 1819  (((
1820 -(% style="background-color:#dcdcdc" %)**123456**
2275 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1821 1821  )))
1822 1822  
1823 1823  (((
1824 -(% style="background-color:#dcdcdc" %)**AT+FDR**
2279 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
1825 1825  )))
1826 1826  
1827 1827  (((
1828 -(% style="background-color:#dcdcdc" %)**123456**
2283 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
2287 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
1833 1833  )))
1834 1834  
1835 1835  (((
1836 -(% style="background-color:#dcdcdc" %)**ATZ**
2291 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
1837 1837  )))
1838 1838  
1839 1839  
1840 1840  (((
1841 -(% style="color:blue" %)**If device already joined network:**
2296 +(% style="color:blue" %)**If the device has already joined the network:**
1842 1842  )))
1843 1843  
1844 1844  (((
1845 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
2300 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1846 1846  )))
1847 1847  
1848 1848  (((
1849 -(% style="background-color:#dcdcdc" %)**ATZ**
2304 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1850 1850  )))
1851 1851  
1852 1852  
... ... @@ -1856,20 +1856,20 @@
1856 1856  
1857 1857  
1858 1858  (((
1859 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
2314 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter password to enable AT commands access
1860 1860  )))
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
2319 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset parameters to Factory Default, Reserve keys
1865 1865  )))
1866 1866  
1867 1867  (((
1868 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
2323 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter password to enable AT commands access
1869 1869  )))
1870 1870  
1871 1871  (((
1872 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
2327 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to CLASS C mode
1873 1873  )))
1874 1874  
1875 1875  (((
... ... @@ -1889,19 +1889,19 @@
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
2347 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4 MHz
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
2351 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
2355 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
2359 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
1905 1905  )))
1906 1906  
1907 1907  (((
... ... @@ -1915,14 +1915,14 @@
1915 1915  )))
1916 1916  
1917 1917  (((
1918 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
2373 +**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
1919 1919  
1920 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2375 +**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
1921 1921  
1922 -**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2377 +**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
1923 1923  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1924 1924  
1925 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
2380 +**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
1926 1926  )))
1927 1927  
1928 1928  (((
... ... @@ -1934,7 +1934,7 @@
1934 1934  
1935 1935  
1936 1936  (((
1937 -(% style="color:blue" %)**If sensor JOINED:**
2392 +(% style="color:blue" %)**If the sensor has JOINED:**
1938 1938  
1939 1939  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1940 1940  
... ... @@ -1944,37 +1944,48 @@
1944 1944  
1945 1945  = 5. Case Study =
1946 1946  
1947 -== 5.1 Counting how many objects pass in Flow Line ==
2402 +== 5.1 Counting how many objects pass through the flow line ==
1948 1948  
2404 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
1949 1949  
1950 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1951 1951  
1952 -
1953 1953  = 6. FAQ =
1954 1954  
1955 -== 6.1 How to upgrade the image? ==
2409 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1956 1956  
1957 1957  
1958 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2412 +== 6.1 How to update the firmware? ==
1959 1959  
2414 +Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
2415 +
1960 1960  * Support new features
1961 -* For bug fix
1962 -* Change LoRaWAN bands.
2417 +* Fix bugs
2418 +* Change LoRaWAN frequency bands
1963 1963  
1964 -Below shows the hardware connection for how to upload an image to the LT:
2420 +You will need the following things before proceeding:
1965 1965  
1966 -[[image:1653359603330-121.png]]
2422 +* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2423 +* USB to TTL adapter
2424 +* Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
2425 +* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
1967 1967  
2427 +{{info}}
2428 +As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
2429 +{{/info}}
1968 1968  
1969 -(((
1970 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1971 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1972 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1973 -
2431 +Below is the hardware setup for uploading a firmware image to the LT-22222-L:
1974 1974  
2433 +[[image:usb-ttl-programming.png]]
2434 +
2435 +
2436 +
2437 +Start the STM32 Flash Loader and choose the correct COM port to update.
2438 +
1975 1975  (((
2440 +(((
1976 1976  (% style="color:blue" %)**For LT-22222-L**(%%):
1977 -Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2442 +
2443 +Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode.
1978 1978  )))
1979 1979  
1980 1980  
... ... @@ -1989,7 +1989,7 @@
1989 1989  [[image:image-20220524104033-15.png]]
1990 1990  
1991 1991  
1992 -(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2458 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
1993 1993  
1994 1994  [[image:1653360054704-518.png||height="186" width="745"]]
1995 1995  
... ... @@ -1996,33 +1996,29 @@
1996 1996  
1997 1997  (((
1998 1998  (((
1999 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2000 -
2001 -
2465 +== 6.2 How to change the LoRaWAN frequency band/region? ==
2002 2002  )))
2003 2003  )))
2004 2004  
2005 2005  (((
2006 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2470 +You can follow the introductions on [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2007 2007  )))
2008 2008  
2009 2009  (((
2010 2010  
2011 2011  
2012 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2013 -
2014 -
2476 +== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2015 2015  )))
2016 2016  
2017 2017  (((
2018 2018  (((
2019 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2481 +In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2020 2020  )))
2021 2021  )))
2022 2022  
2023 2023  (((
2024 2024  (((
2025 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2487 +We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2026 2026  
2027 2027  
2028 2028  )))
... ... @@ -2029,52 +2029,55 @@
2029 2029  )))
2030 2030  
2031 2031  (((
2032 -(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2494 +(% style="color:#0000ff" %)**Step 1**(%%): Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
2033 2033  
2034 -
2496 +[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2035 2035  )))
2036 2036  
2037 2037  (((
2038 -[[image:1653360231087-571.png||height="401" width="727"]]
2039 -
2040 2040  
2041 2041  )))
2042 2042  
2043 -(((
2044 -(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
2045 -)))
2503 +{{warning}}
2504 +Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2505 +{{/warning}}
2046 2046  
2047 2047  
2048 -
2049 2049  (((
2050 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2509 +(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
2051 2051  
2052 2052  
2053 2053  )))
2054 2054  
2055 2055  (((
2056 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2515 +(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2057 2057  
2058 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2517 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2059 2059  
2060 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2519 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2061 2061  
2062 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2521 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2063 2063  
2064 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2523 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2065 2065  
2066 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2525 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2067 2067  
2068 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2527 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2069 2069  
2070 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2529 +(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2071 2071  
2072 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2531 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
2532 +
2533 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
2534 +
2535 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
2536 +
2537 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2073 2073  )))
2074 2074  
2075 2075  
2076 2076  (((
2077 -As shown in below:
2542 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
2078 2078  )))
2079 2079  
2080 2080  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2082,156 +2082,137 @@
2082 2082  
2083 2083  == 6.4 How to change the uplink interval? ==
2084 2084  
2085 -
2086 2086  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2087 2087  
2088 2088  
2089 -== 6.5 Can I see counting event in Serial? ==
2553 +== 6.5 Can I see the counting event in the serial output? ==
2090 2090  
2091 -
2092 2092  (((
2093 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2556 +You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
2094 2094  
2095 2095  
2096 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2559 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2097 2097  
2561 +Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2098 2098  
2099 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2100 -
2101 2101  
2102 2102  )))
2103 2103  
2104 2104  (((
2105 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2567 +== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2106 2106  
2569 +* If the device is not properly shut down and is directly powered off.
2570 +* It will default to a power-off state.
2571 +* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2572 +* After a restart, the status before the power failure will be read from flash.
2107 2107  
2108 -If the device is not shut down, but directly powered off.
2574 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2109 2109  
2110 -It will default that this is a power-off state.
2576 +The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
2111 2111  
2112 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2113 2113  
2114 -After restart, the status before power failure will be read from flash.
2115 -
2116 -
2117 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2118 -
2119 -
2120 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2121 -
2122 -
2123 2123  [[image:image-20221006170630-1.png||height="610" width="945"]]
2124 2124  
2125 2125  
2126 -== 6.9 Can LT22222-L save RO state? ==
2582 +== 6.9 Can the LT-22222-L save the RO state? ==
2127 2127  
2584 +To enable this feature, the firmware version must be 1.6.0 or higher.
2128 2128  
2129 -Firmware version needs to be no less than 1.6.0.
2130 2130  
2587 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2131 2131  
2132 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2589 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2133 2133  
2134 2134  
2135 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2592 += 7. Troubleshooting =
2136 2136  
2594 +This section provides some known troubleshooting tips.
2137 2137  
2138 -= 7. Trouble Shooting =
2596 +
2139 2139  )))
2140 2140  
2141 2141  (((
2142 2142  (((
2143 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 -
2145 -
2601 +== 7.1 Downlink isn't working. How can I solve this? ==
2146 2146  )))
2147 2147  )))
2148 2148  
2149 2149  (((
2150 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2606 +Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2151 2151  )))
2152 2152  
2153 2153  (((
2154 2154  
2155 2155  
2156 -== 7.2 Have trouble to upload image. ==
2157 -
2158 -
2612 +== 7.2 Having trouble uploading an image? ==
2159 2159  )))
2160 2160  
2161 2161  (((
2162 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2616 +Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2163 2163  )))
2164 2164  
2165 2165  (((
2166 2166  
2167 2167  
2168 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2169 -
2170 -
2622 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2171 2171  )))
2172 2172  
2173 2173  (((
2174 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2626 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2175 2175  )))
2176 2176  
2177 2177  
2178 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2630 +== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2179 2179  
2632 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2633 +Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2180 2180  
2181 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2182 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2183 2183  
2636 += 8. Ordering information =
2184 2184  
2185 -= 8. Order Info =
2186 -
2187 -
2188 2188  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2189 2189  
2190 2190  (% style="color:#4f81bd" %)**XXX:**
2191 2191  
2192 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2193 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2194 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2195 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2196 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2197 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2198 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2199 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2200 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2642 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2643 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2644 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2645 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2646 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2647 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2648 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2649 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2650 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2201 2201  
2202 -= 9. Packing Info =
2652 += 9. Package information =
2203 2203  
2654 +**Package includes**:
2204 2204  
2205 -**Package Includes**:
2656 +* 1 x LT-22222-L I/O Controller
2657 +* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2658 +* 1 x bracket for DIN rail mounting
2659 +* 1 x 3.5 mm programming cable
2206 2206  
2207 -* LT-22222-L I/O Controller x 1
2208 -* Stick Antenna for LoRa RF part x 1
2209 -* Bracket for controller x1
2210 -* Program cable x 1
2211 -
2212 2212  **Dimension and weight**:
2213 2213  
2214 2214  * Device Size: 13.5 x 7 x 3 cm
2215 -* Device Weight: 105g
2664 +* Device Weight: 105 g
2216 2216  * Package Size / pcs : 14.5 x 8 x 5 cm
2217 -* Weight / pcs : 170g
2666 +* Weight / pcs : 170 g
2218 2218  
2219 2219  = 10. Support =
2220 2220  
2221 -
2222 2222  * (((
2223 -Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2671 +Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
2224 2224  )))
2225 2225  * (((
2226 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2674 +Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]]
2227 2227  
2228 -
2229 2229  
2230 2230  )))
2231 2231  
2232 2232  = 11. Reference​​​​​ =
2233 2233  
2234 -
2235 2235  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2236 2236  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2237 2237  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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