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Summary

Details

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Title
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1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa I/O Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -13,38 +13,32 @@
13 13  
14 14  
15 15  
16 -= 1.Introduction =
20 += 1. Introduction =
17 17  
18 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
19 19  
20 20  (((
21 -
22 -
23 23  (((
24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 -)))
26 -)))
26 +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.
27 27  
28 -(((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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.
30 30  )))
31 -
32 -(((
33 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34 34  )))
35 35  
36 36  (((
37 -The use environment includes:
33 +With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38 38  )))
39 39  
40 40  (((
41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 -)))
37 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
43 43  
44 -(((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +* 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.
40 +* 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.
41 +* Setup your own private LoRaWAN network.
46 46  
47 -
43 +{{info}}
44 + 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.
45 +{{/info}}
48 48  )))
49 49  
50 50  (((
... ... @@ -53,298 +53,311 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
54 +== 1.2 Specifications ==
57 57  
58 -(((
59 -
60 -
61 61  (% style="color:#037691" %)**Hardware System:**
62 -)))
63 63  
64 -* (((
65 -STM32L072xxxx MCU
66 -)))
67 -* (((
68 -SX1276/78 Wireless Chip 
69 -)))
70 -* (((
71 -(((
72 -Power Consumption:
73 -)))
58 +* STM32L072xxxx MCU
59 +* SX1276/78 Wireless Chip 
60 +* Power Consumption:
61 +** Idle: 4mA@12V
62 +** 20dB Transmit: 34mA@12V
63 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew
74 74  
75 -* (((
76 -Idle: 4mA@12v
77 -)))
78 -* (((
79 -20dB Transmit: 34mA@12v
80 -)))
81 -)))
65 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
82 82  
83 -(((
84 -
67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
68 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
69 +* 2 x Relay Output (5A@250VAC / 30VDC)
70 +* 2 x 0~~20mA Analog Input (res:0.01mA)
71 +* 2 x 0~~30V Analog Input (res:0.01V)
72 +* Power Input 7~~ 24V DC. 
85 85  
86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
74 +(% style="color:#037691" %)**LoRa Spec:**
88 88  
89 -* (((
90 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 -)))
92 -* (((
93 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 -)))
95 -* (((
96 -2 x Relay Output (5A@250VAC / 30VDC)
97 -)))
98 -* (((
99 -2 x 0~~20mA Analog Input (res:0.01mA)
100 -)))
101 -* (((
102 -2 x 0~~30V Analog Input (res:0.01v)
103 -)))
104 -* (((
105 -Power Input 7~~ 24V DC. 
106 -)))
76 +* Frequency Range:
77 +** Band 1 (HF): 862 ~~ 1020 MHz
78 +** Band 2 (LF): 410 ~~ 528 MHz
79 +* 168 dB maximum link budget.
80 +* +20 dBm - 100 mW constant RF output vs.
81 +* +14 dBm high-efficiency PA.
82 +* Programmable bit rate up to 300 kbps.
83 +* High sensitivity: down to -148 dBm.
84 +* Bullet-proof front end: IIP3 = -12.5 dBm.
85 +* Excellent blocking immunity.
86 +* Low RX current of 10.3 mA, 200 nA register retention.
87 +* Fully integrated synthesizer with a resolution of 61 Hz.
88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 +* Built-in bit synchronizer for clock recovery.
90 +* Preamble detection.
91 +* 127 dB Dynamic Range RSSI.
92 +* Automatic RF Sense and CAD with ultra-fast AFC.
93 +* Packet engine up to 256 bytes with CRC.
107 107  
108 -(((
109 -
95 +== 1.3 Features ==
110 110  
111 -(% style="color:#037691" %)**LoRa Spec:**
112 -)))
97 +* LoRaWAN Class A & Class C modes
98 +* Optional Customized LoRa Protocol
99 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
100 +* AT Commands to change parameters
101 +* Remotely configure parameters via LoRaWAN Downlink
102 +* Firmware upgradable via program port
103 +* Counting
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
105 +== 1.4 Applications ==
118 118  
119 -* (((
120 -Band 1 (HF): 862 ~~ 1020 Mhz
121 -)))
122 -* (((
123 -Band 2 (LF): 410 ~~ 528 Mhz
124 -)))
125 -)))
126 -* (((
127 -168 dB maximum link budget.
128 -)))
129 -* (((
130 -+20 dBm - 100 mW constant RF output vs.
131 -)))
132 -* (((
133 -+14 dBm high efficiency PA.
134 -)))
135 -* (((
136 -Programmable bit rate up to 300 kbps.
137 -)))
138 -* (((
139 -High sensitivity: down to -148 dBm.
140 -)))
141 -* (((
142 -Bullet-proof front end: IIP3 = -12.5 dBm.
143 -)))
144 -* (((
145 -Excellent blocking immunity.
146 -)))
147 -* (((
148 -Low RX current of 10.3 mA, 200 nA register retention.
149 -)))
150 -* (((
151 -Fully integrated synthesizer with a resolution of 61 Hz.
152 -)))
153 -* (((
154 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 -)))
156 -* (((
157 -Built-in bit synchronizer for clock recovery.
158 -)))
159 -* (((
160 -Preamble detection.
161 -)))
162 -* (((
163 -127 dB Dynamic Range RSSI.
164 -)))
165 -* (((
166 -Automatic RF Sense and CAD with ultra-fast AFC.
167 -)))
168 -* (((
169 -Packet engine up to 256 bytes with CRC.
107 +* Smart buildings & home automation
108 +* Logistics and supply chain management
109 +* Smart metering
110 +* Smart agriculture
111 +* Smart cities
112 +* Smart factory
170 170  
114 +== 1.5 Hardware Variants ==
171 171  
172 -
116 +
117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 +|(% 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**
119 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 +(% style="text-align:center" %)
121 +[[image:image-20230424115112-1.png||height="106" width="58"]]
122 +)))|(% style="width:334px" %)(((
123 +* 2 x Digital Input (Bi-direction)
124 +* 2 x Digital Output
125 +* 2 x Relay Output (5A@250VAC / 30VDC)
126 +* 2 x 0~~20mA Analog Input (res:0.01mA)
127 +* 2 x 0~~30V Analog Input (res:0.01v)
128 +* 1 x Counting Port
173 173  )))
174 174  
175 -== 1.3 Features ==
131 += 2Assembling the device =
176 176  
133 +== 2.1 Connecting the antenna ==
177 177  
178 -* LoRaWAN Class A & Class C protocol
135 +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.
179 179  
180 -* Optional Customized LoRa Protocol
137 +{{warning}}
138 +Warning! Do not power on the device without connecting the antenna.
139 +{{/warning}}
181 181  
182 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
141 +== 2.2 Terminals ==
183 183  
184 -* AT Commands to change parameters
143 +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.
185 185  
186 -* Remote configure parameters via LoRa Downlink
145 +Upper screw terminal block (from left to right):
187 187  
188 -* Firmware upgradable via program port
147 +(% style="width:634px" %)
148 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
149 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
150 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
151 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
152 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
153 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
154 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
189 189  
190 -* Counting
156 +Lower screw terminal block (from left to right):
191 191  
158 +(% style="width:633px" %)
159 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
160 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
161 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
162 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
163 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
164 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
165 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
166 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
167 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
168 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
169 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
192 192  
193 -== 1. Applications ==
171 +== 2.3 Powering the device ==
194 194  
173 +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.
195 195  
196 -* Smart Buildings & Home Automation
175 +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** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
197 197  
198 -* Logistics and Supply Chain Management
177 +{{warning}}
178 +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.
179 +{{/warning}}
199 199  
200 -* Smart Metering
201 201  
202 -* Smart Agriculture
182 +[[image:1653297104069-180.png]]
203 203  
204 -* Smart Cities
205 205  
206 -* Smart Factory
185 += 3. Registering with a LoRaWAN Network Server =
207 207  
187 +By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), 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.
208 208  
209 -== 1.5 Hardware Variants ==
189 +After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
210 210  
191 +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.
211 211  
212 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 -|(% style="width:103px;background-color:#D9E2F3;color:#0070C0" %)**Model**|(% style="width:131px;background-color:#D9E2F3;color:#0070C0" %)**Photo**|(% style="width:334px;background-color:#D9E2F3;color:#0070C0" %)**Description**
214 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
215 -* 2 x Digital Input (Bi-direction)
216 -* 2 x Digital Output
217 -* 2 x Relay Output (5A@250VAC / 30VDC)
218 -* 2 x 0~~20mA Analog Input (res:0.01mA)
219 -* 2 x 0~~30V Analog Input (res:0.01v)
220 -* 1 x Counting Port
221 -)))
193 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
222 222  
195 +[[image:image-20220523172350-1.png||height="266" width="864"]]
223 223  
224 -= 2. Power ON Device =
197 +=== 3.2.1 Prerequisites ===
225 225  
199 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The 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.
226 226  
227 -(((
228 -The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
229 -)))
201 +[[image:image-20230425173427-2.png||height="246" width="530"]]
230 230  
231 -(((
232 -PWR will on when device is properly powered.
203 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
233 233  
234 -
235 -)))
205 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
236 236  
237 -[[image:1653297104069-180.png]]
207 +The Things Stack Sandbox was formally called The Things Stack Community Edition.
238 238  
209 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
210 +* Create an application with The Things Stack if you do not have one yet.
211 +* Go to your application page and click on the **End devices** in the left menu.
212 +* On the End devices page, click on **+ Register end device**. Two registration options are available:
239 239  
240 -= 3. Operation Mode =
214 +==== 3.2.2.1 Using the LoRaWAN Device Repository ====
241 241  
242 -== 3.1 How it works? ==
216 +* On the **Register end device** page:
217 +** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
218 +** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
219 +*** **End device brand**: Dragino Technology Co., Limited
220 +*** **Model**: LT22222-L I/O Controller
221 +*** **Hardware ver**: Unknown
222 +*** **Firmware ver**: 1.6.0
223 +*** **Profile (Region)**: Select the region that matches your device.
224 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
243 243  
226 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
244 244  
245 -(((
246 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. 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. 
247 -)))
248 248  
249 -(((
250 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
251 -)))
229 +* Register end device page continued...
230 +** 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'.
231 +** In the **DevEUI** field, enter the **DevEUI**.
232 +** In the **AppKey** field, enter the **AppKey.**
233 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
234 +** Under **After registration**, select the **View registered end device** option.
252 252  
236 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
253 253  
254 -== 3.2 Example to join LoRaWAN network ==
238 +==== ====
255 255  
240 +==== 3.2.2.2 Adding device manually ====
256 256  
257 -(((
258 -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. 
242 +* On the **Register end device** page:
243 +** Select the option **Enter end device specifies manually** under **Input method**.
244 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
245 +** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
246 +** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
247 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
248 +** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
249 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
259 259  
260 -
261 -)))
251 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
262 262  
263 -[[image:image-20220523172350-1.png||height="266" width="864"]]
264 264  
254 +* Register end device page continued...
255 +** 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'
256 +** In the **DevEUI** field, enter the **DevEUI**.
257 +** In the **AppKey** field, enter the **AppKey**.
258 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
259 +** Under **After registration**, select the **View registered end device** option.
260 +** Click the **Register end device** button.
265 265  
266 -(((
267 -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:
262 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
268 268  
269 -
270 -)))
271 271  
272 -(((
273 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
274 -)))
265 +You will be navigated to the **Device overview** page.
275 275  
276 -(((
277 -Each LT is shipped with a sticker with the default device EUI as below:
278 -)))
279 279  
280 -[[image:1653297924498-393.png]]
268 +[[image:lt-22222-device-overview.png||height="625" width="1000"]]
281 281  
282 282  
283 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
271 +==== 3.2.2.3 Joining ====
284 284  
285 -**Add APP EUI in the application.**
273 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
286 286  
287 -[[image:1653297955910-247.png||height="321" width="716"]]
275 +Now power on your LT-22222-L. It will begin joining The Things Stack. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
288 288  
289 289  
290 -**Add APP KEY and DEV EUI**
278 +[[image:lt-22222-join-network.png||height="625" width="1000"]]
291 291  
292 -[[image:1653298023685-319.png]]
293 293  
281 +By default, you will receive an uplink data message from the device every 10 minutes.
294 294  
283 +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.
295 295  
296 -(((
297 -(% 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.
285 +[[image:lt-22222-ul-payload-decoded.png]]
298 298  
299 -
300 -)))
301 301  
302 -[[image:1653298044601-602.png||height="405" width="709"]]
288 +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.
303 303  
290 +{{info}}
291 +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.
292 +{{/info}}
304 304  
305 -== 3.3 Uplink Payload ==
294 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
306 306  
307 307  
308 -There are five working modes + one interrupt mode on LT for different type application:
297 +== 3.3 Work Modes and Uplink Payload formats ==
309 309  
310 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
299 +
300 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
301 +
302 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
303 +
311 311  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
305 +
312 312  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
307 +
313 313  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
309 +
314 314  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 +
315 315  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316 316  
314 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
317 317  
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 -
321 321  (((
322 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 -)))
319 +This is the default mode.
324 324  
325 -[[image:image-20220523174024-3.png]]
321 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
326 326  
323 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
324 +|(% 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**
325 +|Value|(((
326 +AVI1 voltage
327 +)))|(((
328 +AVI2 voltage
329 +)))|(((
330 +ACI1 Current
331 +)))|(((
332 +ACI2 Current
333 +)))|**DIDORO***|(((
334 +Reserve
335 +)))|MOD
336 +)))
337 +
327 327  (((
328 -
339 +(% 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.
329 329  
330 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
341 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
342 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
343 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
331 331  )))
332 332  
333 -[[image:image-20220523174254-4.png]]
346 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
347 +* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW.
348 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
334 334  
335 -* RO is for relay. ROx=1 : close,ROx=0 always open.
336 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
337 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
350 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
338 338  
339 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
352 +For example, if the payload is: [[image:image-20220523175847-2.png]]
340 340  
341 -For example if payload is: [[image:image-20220523175847-2.png]]
342 342  
355 +**The interface values can be calculated as follows:  **
343 343  
344 -**The value for the interface is **
357 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
345 345  
346 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
347 -
348 348  AVI2 channel voltage is 0x04AC/1000=1.196V
349 349  
350 350  ACI1 channel current is 0x1310/1000=4.880mA
... ... @@ -351,96 +351,92 @@
351 351  
352 352  ACI2 channel current is 0x1300/1000=4.864mA
353 353  
354 -The last byte 0xAA= 10101010(B) means
365 +The last byte 0xAA= **10101010**(b) means,
355 355  
356 -* [1] RO1 relay channel is close and the RO1 LED is ON.
357 -* [0] RO2 relay channel is open and RO2 LED is OFF;
367 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
368 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
369 +* **[1] DI3 - not used for LT-22222-L.**
370 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
371 +* [1] DI1 channel input state:
372 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
373 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
374 +** DI1 LED is ON in both cases.
375 +* **[0] DO3 - not used for LT-22222-L.**
376 +* [1] DO2 channel output is LOW, and the DO2 LED is ON.
377 +* [0] DO1 channel output state:
378 +** DO1 is FLOATING when there is no load between DO1 and V+.
379 +** DO1 is HIGH when there is a load between DO1 and V+.
380 +** DO1 LED is OFF in both cases.
358 358  
359 -**LT22222-L:**
360 -
361 -* [1] DI2 channel is high input and DI2 LED is ON;
362 -* [0] DI1 channel is low input;
363 -
364 -* [0] DO3 channel output state
365 -** DO3 is float in case no load between DO3 and V+.;
366 -** DO3 is high in case there is load between DO3 and V+.
367 -** DO3 LED is off in both case
368 -* [1] DO2 channel output is low and DO2 LED is ON.
369 -* [0] DO1 channel output state
370 -** DO1 is float in case no load between DO1 and V+.;
371 -** DO1 is high in case there is load between DO1 and V+.
372 -** DO1 LED is off in both case
373 -
374 374  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
375 375  
376 376  
377 377  (((
378 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
386 +**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins.
379 379  )))
380 380  
381 381  (((
382 -Total : 11 bytes payload
390 +The uplink payload is 11 bytes long.
391 +
392 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
393 +|(% 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**
394 +|Value|COUNT1|COUNT2 |DIDORO*|(((
395 +Reserve
396 +)))|MOD
383 383  )))
384 384  
385 -[[image:image-20220523180452-3.png]]
399 +(((
400 +(% 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.
386 386  
402 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
403 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
404 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
387 387  
388 -(((
389 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
406 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
390 390  )))
391 391  
392 -[[image:image-20220523180506-4.png]]
409 +* FIRST: Indicates that this is the first packet after joining the network.
410 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
393 393  
394 -* RO is for relay. ROx=1 : close,ROx=0 always open.
395 -* FIRST: Indicate this is the first packet after join network.
396 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
397 -
398 398  (((
399 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
400 -)))
413 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
401 401  
402 -(((
403 403  
416 +)))
404 404  
405 -**To use counting mode, please run:**
418 +(((
419 +**To activate this mode, run the following AT commands:**
406 406  )))
407 407  
422 +(((
408 408  (% class="box infomessage" %)
409 409  (((
410 -(((
411 -(((
412 412  **AT+MOD=2**
413 -)))
414 414  
415 -(((
416 416  **ATZ**
417 417  )))
418 418  )))
419 -)))
420 420  
421 421  (((
422 422  
423 423  
424 424  (% style="color:#4f81bd" %)**AT Commands for counting:**
425 -
426 -
427 427  )))
428 428  
429 429  (((
430 430  **For LT22222-L:**
431 431  
440 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
432 432  
433 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
442 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
434 434  
435 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
444 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
436 436  
437 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
446 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
438 438  
439 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
448 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
440 440  
441 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
442 -
443 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
450 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
444 444  )))
445 445  
446 446  
... ... @@ -447,46 +447,50 @@
447 447  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
448 448  
449 449  
450 -**LT22222-L**: This mode the DI1 is used as a counting pin.
457 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
451 451  
452 -[[image:image-20220523181246-5.png]]
459 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
460 +|(% 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**
461 +|Value|COUNT1|(((
462 +ACI1 Current
463 +)))|(((
464 +ACI2 Current
465 +)))|DIDORO*|Reserve|MOD
453 453  
454 454  (((
455 -
468 +(% 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.
456 456  
457 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
470 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
472 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
458 458  )))
459 459  
460 -[[image:image-20220523181301-6.png]]
475 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
476 +* FIRST: Indicates that this is the first packet after joining the network.
477 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
461 461  
462 -* RO is for relay. ROx=1 : close,ROx=0 always open.
463 -* FIRST: Indicate this is the first packet after join network.
464 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
465 -
466 466  (((
467 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
480 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
468 468  )))
469 469  
470 470  
471 471  (((
472 -**To use counting mode, please run:**
485 +**To activate this mode, run the following AT commands:**
473 473  )))
474 474  
488 +(((
475 475  (% class="box infomessage" %)
476 476  (((
477 -(((
478 -(((
479 479  **AT+MOD=3**
480 -)))
481 481  
482 -(((
483 483  **ATZ**
484 484  )))
485 485  )))
486 -)))
487 487  
488 488  (((
489 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
498 +AT Commands for counting:
499 +
500 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
490 490  )))
491 491  
492 492  
... ... @@ -494,67 +494,64 @@
494 494  
495 495  
496 496  (((
497 -**LT22222-L**: This mode the DI1 is used as a counting pin.
508 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
498 498  )))
499 499  
500 500  (((
501 -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.
512 +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.
513 +
514 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
515 +|(% 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**
516 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
517 +Reserve
518 +)))|MOD
502 502  )))
503 503  
504 -[[image:image-20220523181903-8.png]]
505 -
506 -
507 507  (((
508 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
522 +(% 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.
523 +
524 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
526 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
509 509  )))
510 510  
511 -[[image:image-20220523181727-7.png]]
529 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
530 +* FIRST: Indicates that this is the first packet after joining the network.
531 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
512 512  
513 -* RO is for relay. ROx=1 : close,ROx=0 always open.
514 -* FIRST: Indicate this is the first packet after join network.
515 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
516 -
517 517  (((
518 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
519 -)))
534 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
520 520  
521 -(((
522 522  
537 +)))
523 523  
524 -**To use this mode, please run:**
539 +(((
540 +**To activate this mode, run the following AT commands:**
525 525  )))
526 526  
543 +(((
527 527  (% class="box infomessage" %)
528 528  (((
529 -(((
530 -(((
531 531  **AT+MOD=4**
532 -)))
533 533  
534 -(((
535 535  **ATZ**
536 536  )))
537 537  )))
538 -)))
539 539  
540 -
541 541  (((
542 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
553 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
543 543  )))
544 544  
545 545  (((
546 -
557 +**In addition to that, below are the commands for AVI1 Counting:**
547 547  
548 -**Plus below command for AVI1 Counting:**
559 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
549 549  
561 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
550 550  
551 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
563 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
552 552  
553 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
554 -
555 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
556 -
557 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
565 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
558 558  )))
559 559  
560 560  
... ... @@ -561,47 +561,53 @@
561 561  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
562 562  
563 563  
564 -**LT22222-L**: This mode the DI1 is used as a counting pin.
572 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
565 565  
566 -[[image:image-20220523182334-9.png]]
574 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
575 +|(% 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**
576 +|Value|(((
577 +AVI1 voltage
578 +)))|(((
579 +AVI2 voltage
580 +)))|(((
581 +ACI1 Current
582 +)))|COUNT1|DIDORO*|(((
583 +Reserve
584 +)))|MOD
567 567  
568 568  (((
569 -
587 +(% 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.
570 570  
571 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
589 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
590 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
591 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
572 572  )))
573 573  
574 -* RO is for relay. ROx=1 : closeROx=0 always open.
575 -* FIRST: Indicate this is the first packet after join network.
594 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
595 +* FIRST: Indicates that this is the first packet after joining the network.
576 576  * (((
577 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
597 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
578 578  )))
579 579  
580 580  (((
581 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
601 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
582 582  )))
583 583  
584 584  (((
585 -
586 -
587 -**To use this mode, please run:**
605 +**To activate this mode, run the following AT commands:**
588 588  )))
589 589  
608 +(((
590 590  (% class="box infomessage" %)
591 591  (((
592 -(((
593 -(((
594 594  **AT+MOD=5**
595 -)))
596 596  
597 -(((
598 598  **ATZ**
599 599  )))
600 600  )))
601 -)))
602 602  
603 603  (((
604 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
618 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
605 605  )))
606 606  
607 607  
... ... @@ -608,49 +608,48 @@
608 608  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
609 609  
610 610  
611 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
625 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
612 612  
613 -For example, if user has configured below commands:
627 +For example, if you configured the following commands:
614 614  
615 -* **AT+MOD=1 ** **~-~->**  The normal working mode
616 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
629 +* **AT+MOD=1 ** **~-~->**  The default work mode
630 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
617 617  
618 -LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
632 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
619 619  
620 -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
621 -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.**
634 +1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
635 +1. (((
636 +Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
637 +)))
622 622  
623 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
639 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
624 624  
641 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
625 625  
626 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
627 -
628 628  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
629 629  
630 630  
631 631  **Example:**
632 632  
633 -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)
648 +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)
634 634  
635 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
650 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
636 636  
637 637  
653 +(% style="color:#4f81bd" %)**Trigger based on current**:
638 638  
639 -(% style="color:#4f81bd" %)**Trigger base on current**:
640 -
641 641  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
642 642  
643 643  
644 644  **Example:**
645 645  
646 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
660 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
647 647  
648 648  
663 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
649 649  
650 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
665 +DI status triggers Flag.
651 651  
652 -DI status trigger Flag.
653 -
654 654  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
655 655  
656 656  
... ... @@ -659,71 +659,116 @@
659 659  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
660 660  
661 661  
662 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
675 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
663 663  
664 664  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
665 665  
666 666  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
667 667  
668 - AA: Code for this downlink Command:
681 + AA: Type Code for this downlink Command:
669 669  
670 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
683 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
671 671  
672 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
685 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
673 673  
674 - yy2 yy2: AC1 or AV1 high limit.
687 + yy2 yy2: AC1 or AV1 HIGH limit.
675 675  
676 - yy3 yy3: AC2 or AV2 low limit.
689 + yy3 yy3: AC2 or AV2 LOW limit.
677 677  
678 - Yy4 yy4: AC2 or AV2 high limit.
691 + Yy4 yy4: AC2 or AV2 HIGH limit.
679 679  
680 680  
681 -**Example1**: AA 00 13 88 00 00 00 00 00 00
694 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
682 682  
683 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
696 +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)
684 684  
685 685  
686 -**Example2**: AA 02 01 00
699 +**Example 2**: AA 02 01 00
687 687  
688 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
701 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
689 689  
690 690  
691 -
692 692  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
693 693  
694 -MOD6 Payload : total 11 bytes payload
706 +MOD6 Payload: total of 11 bytes
695 695  
696 -[[image:image-20220524085923-1.png]]
708 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
709 +|(% 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**
710 +|Value|(((
711 +TRI_A FLAG
712 +)))|(((
713 +TRI_A Status
714 +)))|(((
715 +TRI_DI FLAG+STA
716 +)))|Reserve|Enable/Disable MOD6|(((
717 +MOD(6)
718 +)))
697 697  
720 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
698 698  
699 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
722 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
723 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
724 +|(((
725 +AV1_LOW
726 +)))|(((
727 +AV1_HIGH
728 +)))|(((
729 +AV2_LOW
730 +)))|(((
731 +AV2_HIGH
732 +)))|(((
733 +AC1_LOW
734 +)))|(((
735 +AC1_HIGH
736 +)))|(((
737 +AC2_LOW
738 +)))|(((
739 +AC2_HIGH
740 +)))
700 700  
701 -[[image:image-20220524090106-2.png]]
742 +* Each bit shows if the corresponding trigger has been configured.
702 702  
703 -* Each bits shows if the corresponding trigger has been configured.
704 -
705 705  **Example:**
706 706  
707 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
746 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
708 708  
709 709  
749 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
710 710  
711 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
751 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
752 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
753 +|(((
754 +AV1_LOW
755 +)))|(((
756 +AV1_HIGH
757 +)))|(((
758 +AV2_LOW
759 +)))|(((
760 +AV2_HIGH
761 +)))|(((
762 +AC1_LOW
763 +)))|(((
764 +AC1_HIGH
765 +)))|(((
766 +AC2_LOW
767 +)))|(((
768 +AC2_HIGH
769 +)))
712 712  
713 -[[image:image-20220524090249-3.png]]
771 +* Each bit shows which status has been triggered on this uplink.
714 714  
715 -* Each bits shows which status has been trigger on this uplink.
716 -
717 717  **Example:**
718 718  
719 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
775 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
720 720  
721 721  
722 722  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
723 723  
724 -[[image:image-20220524090456-4.png]]
780 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
781 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
782 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
725 725  
726 -* Each bits shows which status has been trigger on this uplink.
784 +* Each bits shows which status has been triggered on this uplink.
727 727  
728 728  **Example:**
729 729  
... ... @@ -750,69 +750,83 @@
750 750  )))
751 751  
752 752  
753 -== 3.4 ​Configure LT via AT or Downlink ==
811 +== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
754 754  
755 -
756 756  (((
757 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
814 +You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
758 758  )))
759 759  
760 760  (((
761 761  (((
762 -There are two kinds of Commands:
819 +There are two tytes of commands:
763 763  )))
764 764  )))
765 765  
766 -* (% 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]]
823 +* (% style="color:blue" %)**Common commands**(%%):
767 767  
768 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
825 +* (% style="color:blue" %)**Sensor-related commands**(%%):
769 769  
827 +=== 3.4.1 Common commands ===
770 770  
771 -=== 3.4.1 Common Commands ===
772 -
773 -
774 774  (((
775 -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]]
830 +These are available for each sensorand 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.
776 776  )))
777 777  
833 +=== 3.4.2 Sensor-related commands ===
778 778  
779 -=== 3.4.2 Sensor related commands ===
835 +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.
780 780  
781 -
782 782  ==== 3.4.2.1 Set Transmit Interval ====
783 783  
839 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
784 784  
785 -Set device uplink interval.
841 +(% style="color:#037691" %)**AT command**
786 786  
787 -* (% style="color:#037691" %)**AT Command:**
843 +(% style="width:500px" %)
844 +|**Command**|AT+TDC<time>
845 +|**Response**|
846 +|**Parameters**|<time> uplink interval is in milliseconds
847 +|**Example**|(((
848 +AT+TDC=30000
788 788  
789 -(% style="color:blue" %)**AT+TDC=N **
850 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
851 +)))
790 790  
853 +(% style="color:#037691" %)**Downlink payload**
791 791  
792 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
855 +(% style="width:500px" %)
856 +|**Payload**|(((
857 +<prefix><time>
858 +)))
859 +|**Parameters**|(((
860 +<prefix> 0x01
793 793  
862 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
863 +)))
864 +|**Example**|(((
865 +01 **00 75 30**
794 794  
795 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
867 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
796 796  
797 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
869 +Conversion: 30000 (dec) = 00 75 30 (hex)
798 798  
871 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
872 +)))
799 799  
874 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
800 800  
801 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
802 802  
877 +Sets the work mode.
803 803  
804 -Set work mode.
879 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
805 805  
806 -* (% style="color:#037691" %)**AT Command:**
881 +Where N is the work mode.
807 807  
808 -(% style="color:blue" %)**AT+MOD= **
883 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
809 809  
810 810  
811 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
886 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
812 812  
813 -
814 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
815 -
816 816  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
817 817  
818 818  
... ... @@ -819,35 +819,30 @@
819 819  
820 820  ==== 3.4.2.3 Poll an uplink ====
821 821  
894 +Requests the device to send an uplink.
822 822  
823 -* (% style="color:#037691" %)**AT Command:**
824 824  
825 -There is no AT Command to poll uplink
897 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
826 826  
899 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
827 827  
828 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
829 -
830 830  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
831 831  
832 -
833 833  **Example**: 0x08FF, ask device to send an Uplink
834 834  
835 835  
836 836  
837 -==== 3.4.2.4 Enable Trigger Mode ====
907 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
838 838  
909 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
839 839  
840 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
911 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
841 841  
842 -* (% style="color:#037691" %)**AT Command:**
913 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
843 843  
844 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
915 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
845 845  
846 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
847 847  
848 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
849 -
850 -
851 851  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
852 852  
853 853  (% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
... ... @@ -856,34 +856,27 @@
856 856  
857 857  ==== 3.4.2.5 Poll trigger settings ====
858 858  
926 +Polls the trigger settings.
859 859  
860 -Poll trigger settings,
861 -
862 862  * (% style="color:#037691" %)**AT Command:**
863 863  
864 864  There is no AT Command for this feature.
865 865  
866 -
867 867  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
868 868  
869 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
934 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
870 870  
871 871  
872 872  
873 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
938 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
874 874  
940 +Enable or disable DI1/DI2/DI2 as a trigger.
875 875  
876 -Enable Disable DI1/DI2/DI2 as trigger,
942 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
877 877  
878 -* (% style="color:#037691" %)**AT Command:**
944 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
879 879  
880 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
881 881  
882 -
883 -**Example:**
884 -
885 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
886 -
887 887  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
888 888  
889 889  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -890,66 +890,48 @@
890 890  
891 891  
892 892  
893 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
953 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
894 894  
955 +Sets DI1 or DI3 (for LT-33222-L) as a trigger.
895 895  
896 -Set DI1 or DI3(for LT-33222-L) trigger.
957 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
897 897  
898 -* (% style="color:#037691" %)**AT Command:**
899 -
900 -(% style="color:blue" %)**AT+TRIG1=a,b**
901 -
902 902  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
903 903  
904 904  (% style="color:red" %)**b :** (%%)delay timing.
905 905  
963 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
906 906  
907 -**Example:**
908 908  
909 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
910 -
911 -
912 912  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
913 913  
914 914  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
915 915  
916 916  
971 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
917 917  
918 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
973 +Sets DI2 as a trigger.
919 919  
975 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
920 920  
921 -Set DI2 trigger.
977 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
922 922  
923 -* (% style="color:#037691" %)**AT Command:**
924 -
925 -(% style="color:blue" %)**AT+TRIG2=a,b**
926 -
927 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
928 -
929 929  (% style="color:red" %)**b :** (%%)delay timing.
930 930  
981 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
931 931  
932 -**Example:**
933 933  
934 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
935 -
936 -
937 937  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
938 938  
939 939  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
940 940  
941 941  
989 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
942 942  
943 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
991 +Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
944 944  
993 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
945 945  
946 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
947 -
948 -* (% style="color:#037691" %)**AT Command**
949 -
950 -(% style="color:blue" %)**AT+ACLIM**
951 -
952 -
953 953  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
954 954  
955 955  (% 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"]]
... ... @@ -958,37 +958,26 @@
958 958  
959 959  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
960 960  
1003 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
961 961  
962 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
963 963  
964 -* (% style="color:#037691" %)**AT Command**
965 -
966 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
967 -
968 -
969 969  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
970 970  
971 971  (% 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"]]
972 972  
973 973  
974 -
975 975  ==== 3.4.2.11 Trigger – Set minimum interval ====
976 976  
1014 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
977 977  
978 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1016 +* (% 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.
979 979  
980 -* (% style="color:#037691" %)**AT Command**
981 -
982 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
983 -
984 -
985 985  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
986 986  
987 987  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
988 988  
989 989  (((
990 -
991 -
992 992  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
993 993  )))
994 994  
... ... @@ -996,6 +996,7 @@
996 996  
997 997  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
998 998  
1030 +Controls the digital outputs DO1, DO2, and DO3
999 999  
1000 1000  * (% style="color:#037691" %)**AT Command**
1001 1001  
... ... @@ -1003,8 +1003,9 @@
1003 1003  
1004 1004  
1005 1005  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1006 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1007 1007  
1039 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1040 +
1008 1008  (((
1009 1009  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1010 1010  )))
... ... @@ -1011,10 +1011,14 @@
1011 1011  
1012 1012  (((
1013 1013  01: Low,  00: High ,  11: No action
1047 +
1048 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1049 +|(% 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**
1050 +|02  01  00  11|Low|High|No Action
1051 +|02  00  11  01|High|No Action|Low
1052 +|02  11  01  00|No Action|Low|High
1014 1014  )))
1015 1015  
1016 -[[image:image-20220524092754-5.png]]
1017 -
1018 1018  (((
1019 1019  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1020 1020  )))
... ... @@ -1051,24 +1051,31 @@
1051 1051  
1052 1052  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1053 1053  
1054 -[[image:image-20220524093238-6.png]]
1091 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1092 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1093 +|0x01|DO1 set to low
1094 +|0x00|DO1 set to high
1095 +|0x11|DO1 NO Action
1055 1055  
1056 -
1057 1057  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1058 1058  
1059 -[[image:image-20220524093328-7.png]]
1099 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1100 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1101 +|0x01|DO2 set to low
1102 +|0x00|DO2 set to high
1103 +|0x11|DO2 NO Action
1060 1060  
1061 -
1062 1062  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1063 1063  
1064 -[[image:image-20220524093351-8.png]]
1107 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1108 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1109 +|0x01|DO3 set to low
1110 +|0x00|DO3 set to high
1111 +|0x11|DO3 NO Action
1065 1065  
1113 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1066 1066  
1067 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1068 1068  
1069 - Latching time. Unit: ms
1070 -
1071 -
1072 1072  (% style="color:red" %)**Note: **
1073 1073  
1074 1074   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1075,7 +1075,6 @@
1075 1075  
1076 1076   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1077 1077  
1078 -
1079 1079  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1080 1080  
1081 1081  
... ... @@ -1099,7 +1099,7 @@
1099 1099  
1100 1100  
1101 1101  
1102 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1145 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1103 1103  
1104 1104  
1105 1105  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1117,11 +1117,18 @@
1117 1117  )))
1118 1118  
1119 1119  (((
1120 -01: Close ,  00: Open , 11: No action
1121 -)))
1163 +00: Closed ,  01: Open , 11: No action
1122 1122  
1123 -(((
1124 -[[image:image-20220524093724-9.png]]
1165 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1166 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1167 +|03  00  11|Open|No Action
1168 +|03  01  11|Close|No Action
1169 +|03  11  00|No Action|Open
1170 +|03  11  01|No Action|Close
1171 +|03  00  00|Open|Open
1172 +|03  01  01|Close|Close
1173 +|03  01  00|Close|Open
1174 +|03  00  01|Open|Close
1125 1125  )))
1126 1126  
1127 1127  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1195,11 +1195,8 @@
1195 1195  
1196 1196  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 1197  
1198 -* (% style="color:#037691" %)**AT Command:**
1248 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 1199  
1200 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1201 -
1202 -
1203 1203  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1204 1204  
1205 1205  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1209,10 +1209,8 @@
1209 1209  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1210 1210  
1211 1211  
1212 -* (% style="color:#037691" %)**AT Command:**
1259 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1213 1213  
1214 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1215 -
1216 1216  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1217 1217  
1218 1218  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1229,11 +1229,8 @@
1229 1229  
1230 1230  Clear counting for counting mode
1231 1231  
1232 -* (% style="color:#037691" %)**AT Command:**
1277 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1233 1233  
1234 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1235 -
1236 -
1237 1237  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1238 1238  
1239 1239  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1240,7 +1240,7 @@
1240 1240  
1241 1241  
1242 1242  
1243 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1285 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1244 1244  
1245 1245  
1246 1246  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1361,75 +1361,145 @@
1361 1361  [[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"]]
1362 1362  
1363 1363  
1364 -== 3.5 Integrate with Mydevice ==
1406 +== 3.5 Integrating with ThingsEye.io ==
1365 1365  
1408 +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.
1366 1366  
1367 -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:
1410 +=== 3.5.1 Configuring The Things Stack ===
1368 1368  
1369 -(((
1370 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1371 -)))
1412 +We use The Things Stack Sandbox in this example:
1372 1372  
1373 -(((
1374 -(% 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:
1414 +* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
1415 +* Select **MQTT** under **Integrations** in the left menu.
1416 +* 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.
1417 +* 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.
1375 1375  
1376 -
1377 -)))
1419 +{{info}}
1420 +The username and  password (API key) you created here are required in the next section.
1421 +{{/info}}
1378 1378  
1379 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1423 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1380 1380  
1425 +=== 3.5.2 Configuring ThingsEye.io ===
1381 1381  
1427 +* Login to your [[ThingsEye.io >>https://thingseye.io]]account.
1428 +* Under the **Integrations center**, click **Integrations**.
1429 +* Click the **Add integration** button (the button with the **+** symbol).
1382 1382  
1383 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1431 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1384 1384  
1385 1385  
1386 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1434 +On the **Add integration** window, configure the following:
1387 1387  
1388 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1436 +**Basic settings:**
1389 1389  
1390 -Search under The things network
1438 +* Select **The Things Stack Community** from the **Integration type** list.
1439 +* Enter a suitable name for your integration in the **Name **text** **box or keep the default name.
1440 +* Ensure the following options are turned on.
1441 +** Enable integration
1442 +** Debug mode
1443 +** Allow create devices or assets
1444 +* Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
1391 1391  
1392 -[[image:1653356838789-523.png||height="337" width="740"]]
1446 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1393 1393  
1394 1394  
1449 +**Uplink data converter:**
1395 1395  
1396 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1451 +* Click the **Create new** button if it is not selected by default.
1452 +* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name.
1453 +* Click the **JavaScript** button.
1454 +* 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]].
1455 +* Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
1397 1397  
1398 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1457 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1399 1399  
1400 1400  
1401 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1460 +**Downlink data converter (this is an optional step):**
1402 1402  
1462 +* Click the **Create new** button if it is not selected by default.
1463 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1464 +* Click the **JavaScript** button.
1465 +* 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]].
1466 +* Click the **Next** button. You will be navigated to the **Connection** tab.
1403 1403  
1404 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1468 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1405 1405  
1406 1406  
1407 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1471 +**Connection:**
1408 1408  
1473 +* Choose **Region** from the **Host type**.
1474 +* 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/...).
1475 +* 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).
1476 +* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1409 1409  
1410 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1478 +[[image:message-1.png]]
1411 1411  
1412 1412  
1413 -== 3.6 Interface Detail ==
1481 +* Click the **Add** button.
1414 1414  
1483 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1484 +
1485 +
1486 +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.
1487 +
1488 +
1489 +[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1490 +
1491 +
1492 +**Viewing integration details**:
1493 +
1494 +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.
1495 +
1496 +[[image:integration-details.png||height="686" width="1000"]]
1497 +
1498 +
1499 +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.
1500 +
1501 +{{info}}
1502 +See also ThingsEye documentation.
1503 +{{/info}}
1504 +
1505 +**Viewing events:**
1506 +
1507 +The **Events **tab displays all the uplink messages from the LT-22222-L.
1508 +
1509 +* Select **Debug **from the **Event type** dropdown.
1510 +* Select the** time frame** from the **time window**.
1511 +
1512 +[[image:thingseye-events.png||height="686" width="1000"]]
1513 +
1514 +
1515 +* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1516 +
1517 +[[image:thingseye-json.png||width="1000"]]
1518 +
1519 +
1520 +**Deleting the integration**:
1521 +
1522 +If you want to delete this integration, click the **Delete integratio**n button.
1523 +
1524 +
1525 +== 3.6 Interface Details ==
1526 +
1415 1415  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1416 1416  
1417 1417  
1418 -Support NPN Type sensor
1530 +Support NPN-type sensor
1419 1419  
1420 1420  [[image:1653356991268-289.png]]
1421 1421  
1422 1422  
1423 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1535 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1424 1424  
1425 1425  
1426 1426  (((
1427 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1539 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1428 1428  )))
1429 1429  
1430 1430  (((
1431 1431  (((
1432 -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. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1544 +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.
1433 1433  
1434 1434  
1435 1435  )))
... ... @@ -1439,7 +1439,7 @@
1439 1439  
1440 1440  (((
1441 1441  (((
1442 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1554 +(% 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.
1443 1443  )))
1444 1444  )))
1445 1445  
... ... @@ -1448,22 +1448,22 @@
1448 1448  )))
1449 1449  
1450 1450  (((
1451 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1563 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1452 1452  )))
1453 1453  
1454 1454  (((
1455 -This type of sensor will output a low signal GND when active.
1567 +This type of sensor outputs a low (GND) signal when active.
1456 1456  )))
1457 1457  
1458 1458  * (((
1459 -Connect sensor's output to DI1-
1571 +Connect the sensor's output to DI1-
1460 1460  )))
1461 1461  * (((
1462 -Connect sensor's VCC to DI1+.
1574 +Connect the sensor's VCC to DI1+.
1463 1463  )))
1464 1464  
1465 1465  (((
1466 -So when sensor active, the current between NEC2501 pin1 and pin2 is
1578 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be
1467 1467  )))
1468 1468  
1469 1469  (((
... ... @@ -1471,7 +1471,7 @@
1471 1471  )))
1472 1472  
1473 1473  (((
1474 -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.
1586 +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.
1475 1475  )))
1476 1476  
1477 1477  (((
... ... @@ -1479,22 +1479,22 @@
1479 1479  )))
1480 1480  
1481 1481  (((
1482 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1594 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1483 1483  )))
1484 1484  
1485 1485  (((
1486 -This type of sensor will output a high signal (example 24v) when active.
1598 +This type of sensor outputs a high signal (e.g., 24V) when active.
1487 1487  )))
1488 1488  
1489 1489  * (((
1490 -Connect sensor's output to DI1+
1602 +Connect the sensor's output to DI1+
1491 1491  )))
1492 1492  * (((
1493 -Connect sensor's GND DI1-.
1605 +Connect the sensor's GND DI1-.
1494 1494  )))
1495 1495  
1496 1496  (((
1497 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1609 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1498 1498  )))
1499 1499  
1500 1500  (((
... ... @@ -1502,7 +1502,7 @@
1502 1502  )))
1503 1503  
1504 1504  (((
1505 -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.
1617 +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.
1506 1506  )))
1507 1507  
1508 1508  (((
... ... @@ -1510,22 +1510,22 @@
1510 1510  )))
1511 1511  
1512 1512  (((
1513 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1625 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1514 1514  )))
1515 1515  
1516 1516  (((
1517 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1629 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1518 1518  )))
1519 1519  
1520 1520  * (((
1521 -Connect sensor's output to DI1+ with a serial 50K resistor
1633 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1522 1522  )))
1523 1523  * (((
1524 -Connect sensor's GND DI1-.
1636 +Connect the sensor's GND DI1-.
1525 1525  )))
1526 1526  
1527 1527  (((
1528 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1640 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1529 1529  )))
1530 1530  
1531 1531  (((
... ... @@ -1533,24 +1533,37 @@
1533 1533  )))
1534 1534  
1535 1535  (((
1536 -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.
1648 +If the sensor output is 220V, the[[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.
1537 1537  )))
1538 1538  
1539 1539  
1540 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1652 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1541 1541  
1654 +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.
1542 1542  
1543 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1656 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1544 1544  
1545 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1658 +[[image:image-20230616235145-1.png]]
1546 1546  
1660 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1661 +
1662 +[[image:image-20240219115718-1.png]]
1663 +
1664 +
1665 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1666 +
1667 +
1668 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1669 +
1670 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1671 +
1547 1547  [[image:1653357531600-905.png]]
1548 1548  
1549 1549  
1550 -=== 3.6.4 Analog Input Interface ===
1675 +=== 3.6.4 Analog Input Interfaces ===
1551 1551  
1552 1552  
1553 -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:
1678 +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:
1554 1554  
1555 1555  
1556 1556  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1557,20 +1557,19 @@
1557 1557  
1558 1558  [[image:1653357592296-182.png]]
1559 1559  
1560 -Example to connect a 4~~20mA sensor
1685 +Example: Connecting a 4~~20mA sensor
1561 1561  
1562 -We take the wind speed sensor as an example for reference only.
1687 +We will use the wind speed sensor as an example for reference only.
1563 1563  
1564 1564  
1565 1565  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1566 1566  
1567 -(% style="color:red" %)**Red:  12~~24v**
1692 +(% style="color:red" %)**Red:  12~~24V**
1568 1568  
1569 1569  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1570 1570  
1571 1571  **Black:  GND**
1572 1572  
1573 -
1574 1574  **Connection diagram:**
1575 1575  
1576 1576  [[image:1653357640609-758.png]]
... ... @@ -1578,239 +1578,147 @@
1578 1578  [[image:1653357648330-671.png||height="155" width="733"]]
1579 1579  
1580 1580  
1581 -=== 3.6.5 Relay Output ===
1705 +Example: Connecting to a regulated power supply to measure voltage
1582 1582  
1707 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1583 1583  
1584 -(((
1585 -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:
1709 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1586 1586  
1587 -**Note**: RO pins go to Open(NO) when device is power off.
1588 -)))
1711 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1589 1589  
1590 -[[image:image-20220524100215-9.png]]
1591 1591  
1714 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1592 1592  
1593 -[[image:image-20220524100215-10.png||height="382" width="723"]]
1716 +(% style="color:red" %)**Red:  12~~24v**
1594 1594  
1718 +**Black:  GND**
1595 1595  
1596 -== 3.7 LEDs Indicators ==
1597 1597  
1721 +=== 3.6.5 Relay Output ===
1598 1598  
1599 -[[image:image-20220524100748-11.png]]
1600 1600  
1601 -
1602 -= 4. Use AT Command =
1603 -
1604 -== 4.1 Access AT Command ==
1605 -
1606 -
1607 1607  (((
1608 -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.
1609 -)))
1725 +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:
1610 1610  
1611 -(((
1612 -
1727 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1613 1613  )))
1614 1614  
1615 -[[image:1653358238933-385.png]]
1730 +[[image:image-20220524100215-9.png]]
1616 1616  
1617 1617  
1618 -(((
1619 -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:
1620 -)))
1733 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1621 1621  
1622 -[[image:1653358355238-883.png]]
1623 1623  
1736 +== 3.7 LEDs Indicators ==
1624 1624  
1625 -(((
1626 -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/]]
1627 -)))
1738 +The table below lists the behavior of LED indicators for each port function.
1628 1628  
1740 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1741 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1742 +|**PWR**|Always on when there is power
1743 +|**TX**|(((
1629 1629  (((
1630 -AT+<CMD>?        : Help on <CMD>
1745 +Device boot: TX blinks 5 times.
1631 1631  )))
1632 1632  
1633 1633  (((
1634 -AT+<CMD>         : Run <CMD>
1749 +Successful network join: TX remains ON for 5 seconds.
1635 1635  )))
1636 1636  
1637 1637  (((
1638 -AT+<CMD>=<value> : Set the value
1753 +Transmit a LoRa packet: TX blinks once
1639 1639  )))
1640 -
1641 -(((
1642 -AT+<CMD>=?       :  Get the value
1643 1643  )))
1644 -
1645 -(((
1646 -ATZ: Trig a reset of the MCU
1756 +|**RX**|RX blinks once when a packet is received.
1757 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1758 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1759 +|**DI1**|(((
1760 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1647 1647  )))
1648 -
1649 -(((
1650 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1762 +|**DI2**|(((
1763 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1651 1651  )))
1765 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
1766 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1652 1652  
1653 -(((
1654 -AT+DEUI: Get or Set the Device EUI
1655 -)))
1768 += 4. Using AT Commands =
1656 1656  
1657 -(((
1658 -AT+DADDR: Get or Set the Device Address
1659 -)))
1770 +The LT-22222-L supports programming using AT Commands.
1660 1660  
1661 -(((
1662 -AT+APPKEY: Get or Set the Application Key
1663 -)))
1772 +== 4.1 Connecting the LT-22222-L to a PC ==
1664 1664  
1665 1665  (((
1666 -AT+NWKSKEY: Get or Set the Network Session Key
1775 +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.
1667 1667  )))
1668 1668  
1669 -(((
1670 -AT+APPSKEY:  Get or Set the Application Session Key
1671 -)))
1778 +[[image:1653358238933-385.png]]
1672 1672  
1673 -(((
1674 -AT+APPEUI:  Get or Set the Application EUI
1675 -)))
1676 1676  
1677 1677  (((
1678 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1782 +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:
1679 1679  )))
1680 1680  
1681 -(((
1682 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1683 -)))
1785 +[[image:1653358355238-883.png]]
1684 1684  
1685 -(((
1686 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1687 -)))
1688 1688  
1689 1689  (((
1690 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1691 -)))
1789 +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/]]
1692 1692  
1693 -(((
1694 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1791 +== 4.2 LT-22222-L related AT commands ==
1695 1695  )))
1696 1696  
1697 1697  (((
1698 -AT+RX2FQ: Get or Set the Rx2 window frequency
1699 -)))
1795 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
1700 1700  
1701 -(((
1702 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1797 +* AT+<CMD>? : Help on <CMD>
1798 +* AT+<CMD> : Run <CMD>
1799 +* AT+<CMD>=<value> : Set the value
1800 +* AT+<CMD>=? : Get the value
1801 +* ATZ: Trigger a reset of the MCU
1802 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
1803 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
1804 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
1805 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
1806 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1807 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1808 +* AT+APPEUI: Get or set the Application EUI (AppEUI)
1809 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1810 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
1811 +* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
1812 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1813 +* AT+PNM: Get or set the public network mode. (0: off, 1: on)
1814 +* AT+RX2FQ: Get or set the Rx2 window frequency
1815 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
1816 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
1817 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
1818 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1819 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1820 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
1821 +* AT+NWKID: Get or set the Network ID
1822 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
1823 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
1824 +* AT+CLASS: Get or set the Device Class
1825 +* AT+JOIN: Join network
1826 +* AT+NJS: Get OTAA Join Status
1827 +* AT+SENDB: Send hexadecimal data along with the application port
1828 +* AT+SEND: Send text data along with the application port
1829 +* AT+RECVB: Print last received data in binary format (with hexadecimal values)
1830 +* AT+RECV: Print last received data in raw format
1831 +* AT+VER: Get current image version and Frequency Band
1832 +* AT+CFM: Get or Set the confirmation mode (0-1)
1833 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1834 +* AT+SNR: Get the SNR of the last received packet
1835 +* AT+RSSI: Get the RSSI of the last received packet
1836 +* AT+TDC: Get or set the application data transmission interval in ms
1837 +* AT+PORT: Get or set the application port
1838 +* AT+DISAT: Disable AT commands
1839 +* AT+PWORD: Set password, max 9 digits
1840 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
1841 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
1842 +* AT+CFG: Print all settings
1703 1703  )))
1704 1704  
1705 -(((
1706 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1707 -)))
1708 1708  
1709 -(((
1710 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1711 -)))
1712 -
1713 -(((
1714 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1715 -)))
1716 -
1717 -(((
1718 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1719 -)))
1720 -
1721 -(((
1722 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1723 -)))
1724 -
1725 -(((
1726 -AT+NWKID: Get or Set the Network ID
1727 -)))
1728 -
1729 -(((
1730 -AT+FCU: Get or Set the Frame Counter Uplink
1731 -)))
1732 -
1733 -(((
1734 -AT+FCD: Get or Set the Frame Counter Downlink
1735 -)))
1736 -
1737 -(((
1738 -AT+CLASS: Get or Set the Device Class
1739 -)))
1740 -
1741 -(((
1742 -AT+JOIN: Join network
1743 -)))
1744 -
1745 -(((
1746 -AT+NJS: Get OTAA Join Status
1747 -)))
1748 -
1749 -(((
1750 -AT+SENDB: Send hexadecimal data along with the application port
1751 -)))
1752 -
1753 -(((
1754 -AT+SEND: Send text data along with the application port
1755 -)))
1756 -
1757 -(((
1758 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1759 -)))
1760 -
1761 -(((
1762 -AT+RECV: Print last received data in raw format
1763 -)))
1764 -
1765 -(((
1766 -AT+VER:  Get current image version and Frequency Band
1767 -)))
1768 -
1769 -(((
1770 -AT+CFM: Get or Set the confirmation mode (0-1)
1771 -)))
1772 -
1773 -(((
1774 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1775 -)))
1776 -
1777 -(((
1778 -AT+SNR: Get the SNR of the last received packet
1779 -)))
1780 -
1781 -(((
1782 -AT+RSSI: Get the RSSI of the last received packet
1783 -)))
1784 -
1785 -(((
1786 -AT+TDC: Get or set the application data transmission interval in ms
1787 -)))
1788 -
1789 -(((
1790 -AT+PORT: Get or set the application port
1791 -)))
1792 -
1793 -(((
1794 -AT+DISAT: Disable AT commands
1795 -)))
1796 -
1797 -(((
1798 -AT+PWORD: Set password, max 9 digits
1799 -)))
1800 -
1801 -(((
1802 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1803 -)))
1804 -
1805 -(((
1806 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1807 -)))
1808 -
1809 -(((
1810 -AT+CFG: Print all settings
1811 -)))
1812 -
1813 -
1814 1814  == 4.2 Common AT Command Sequence ==
1815 1815  
1816 1816  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1819,41 +1819,41 @@
1819 1819  
1820 1820  
1821 1821  (((
1822 -(% style="color:blue" %)**If device has not joined network yet:**
1854 +(% style="color:blue" %)**If the device has not joined the network yet:**
1823 1823  )))
1824 1824  )))
1825 1825  
1826 1826  (((
1827 -(% style="background-color:#dcdcdc" %)**123456**
1859 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1828 1828  )))
1829 1829  
1830 1830  (((
1831 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1863 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1832 1832  )))
1833 1833  
1834 1834  (((
1835 -(% style="background-color:#dcdcdc" %)**123456**
1867 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1836 1836  )))
1837 1837  
1838 1838  (((
1839 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1871 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1840 1840  )))
1841 1841  
1842 1842  (((
1843 -(% style="background-color:#dcdcdc" %)**ATZ**
1875 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1844 1844  )))
1845 1845  
1846 1846  
1847 1847  (((
1848 -(% style="color:blue" %)**If device already joined network:**
1880 +(% style="color:blue" %)**If the device has already joined the network:**
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1884 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% style="background-color:#dcdcdc" %)**ATZ**
1888 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1857 1857  )))
1858 1858  
1859 1859  
... ... @@ -1930,8 +1930,6 @@
1930 1930  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1931 1931  
1932 1932  **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.**
1933 -
1934 -
1935 1935  )))
1936 1936  
1937 1937  (((
... ... @@ -1938,9 +1938,6 @@
1938 1938  [[image:1653359097980-169.png||height="188" width="729"]]
1939 1939  )))
1940 1940  
1941 -(((
1942 -
1943 -)))
1944 1944  
1945 1945  === 4.2.3 Change to Class A ===
1946 1946  
... ... @@ -1948,44 +1948,58 @@
1948 1948  (((
1949 1949  (% style="color:blue" %)**If sensor JOINED:**
1950 1950  
1951 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1952 -ATZ**
1978 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1979 +
1980 +(% style="background-color:#dcdcdc" %)**ATZ**
1953 1953  )))
1954 1954  
1955 1955  
1956 1956  = 5. Case Study =
1957 1957  
1958 -== 5.1 Counting how many objects pass in Flow Line ==
1986 +== 5.1 Counting how many objects pass through the flow Line ==
1959 1959  
1988 +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]]?
1960 1960  
1961 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1962 1962  
1963 -
1964 1964  = 6. FAQ =
1965 1965  
1966 -== 6.1 How to upgrade the image? ==
1993 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1967 1967  
1968 1968  
1969 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1996 +== 6.1 How to update the firmware? ==
1970 1970  
1998 +Dragino frequently releases firmware updates for the LT-22222-L.
1999 +
2000 +Updating your LT-22222-L with the latest firmware version helps to:
2001 +
1971 1971  * Support new features
1972 -* For bug fix
1973 -* Change LoRaWAN bands.
2003 +* Fix bugs
2004 +* Change LoRaWAN frequency bands
1974 1974  
1975 -Below shows the hardware connection for how to upload an image to the LT:
2006 +You will need the following things before proceeding:
1976 1976  
2008 +* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2009 +* USB to TTL adapter
2010 +* 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)
2011 +* 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.
2012 +
2013 +{{info}}
2014 +As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
2015 +{{/info}}
2016 +
2017 +Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2018 +
2019 +
1977 1977  [[image:1653359603330-121.png]]
1978 1978  
1979 1979  
1980 -(((
1981 -(% 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]].
1982 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1983 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1984 -
2023 +Start the STM32 Flash Loader and choose the correct COM port to update.
1985 1985  
1986 1986  (((
2026 +(((
1987 1987  (% style="color:blue" %)**For LT-22222-L**(%%):
1988 -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.
2028 +
2029 +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.
1989 1989  )))
1990 1990  
1991 1991  
... ... @@ -2000,41 +2000,36 @@
2000 2000  [[image:image-20220524104033-15.png]]
2001 2001  
2002 2002  
2003 -(% 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:
2044 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2004 2004  
2005 -
2006 2006  [[image:1653360054704-518.png||height="186" width="745"]]
2007 2007  
2008 2008  
2009 2009  (((
2010 2010  (((
2011 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2012 -
2013 -
2051 +== 6.2 How to change the LoRaWAN frequency band/region? ==
2014 2014  )))
2015 2015  )))
2016 2016  
2017 2017  (((
2018 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2056 +You can follow the introductions o[[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2019 2019  )))
2020 2020  
2021 2021  (((
2022 2022  
2023 2023  
2024 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 -
2026 -
2062 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2027 2027  )))
2028 2028  
2029 2029  (((
2030 2030  (((
2031 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2067 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2032 2032  )))
2033 2033  )))
2034 2034  
2035 2035  (((
2036 2036  (((
2037 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2073 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2038 2038  
2039 2039  
2040 2040  )))
... ... @@ -2041,7 +2041,7 @@
2041 2041  )))
2042 2042  
2043 2043  (((
2044 -(% 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.
2080 +(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2045 2045  
2046 2046  
2047 2047  )))
... ... @@ -2066,13 +2066,21 @@
2066 2066  
2067 2067  (((
2068 2068  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2105 +
2069 2069  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2107 +
2070 2070  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2109 +
2071 2071  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2111 +
2072 2072  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2113 +
2073 2073  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2115 +
2074 2074  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2117 +
2075 2075  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2119 +
2076 2076  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2077 2077  )))
2078 2078  
... ... @@ -2084,143 +2084,142 @@
2084 2084  [[image:1653360498588-932.png||height="485" width="726"]]
2085 2085  
2086 2086  
2087 -== 6.4 Can I see counting event in Serial? ==
2131 +== 6.4 How to change the uplink interval? ==
2088 2088  
2133 +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/]]
2089 2089  
2090 -(((
2091 -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.
2092 2092  
2136 +== 6.5 Can I see the counting event in the serial output? ==
2093 2093  
2094 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2138 +(((
2139 +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.
2095 2095  
2096 2096  
2097 -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]].
2142 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2098 2098  
2144 +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]].
2145 +
2099 2099  
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -== 6.Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2150 +== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2104 2104  
2152 +* If the device is not properly shut down and is directly powered off.
2153 +* It will default to a power-off state.
2154 +* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2155 +* After a restart, the status before the power failure will be read from flash.
2105 2105  
2106 -If the device is not shut down, but directly powered off.
2107 2107  
2108 -It will default that this is a power-off state.
2158 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2109 2109  
2110 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2160 +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 -After restart, the status before power failure will be read from flash.
2113 2113  
2163 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2114 2114  
2115 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2116 2116  
2166 +== 6.9 Can the LT-22222-L save the RO state? ==
2117 2117  
2118 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2168 +The firmware version must be at least 1.6.0.
2119 2119  
2120 2120  
2121 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2171 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2122 2122  
2173 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2123 2123  
2124 -== 6.8 Can LT22222-L save RO state? ==
2125 2125  
2176 += 7. Troubleshooting =
2126 2126  
2127 -Firmware version needs to be no less than 1.6.0.
2178 +This section provides some known troubleshooting tips.
2128 2128  
2129 -
2130 -= 7. Trouble Shooting =
2180 +
2131 2131  )))
2132 2132  
2133 2133  (((
2134 2134  (((
2135 -== 7.1 Downlink doesn't work, how to solve it? ==
2136 -
2137 -
2185 +== 7.1 Downlink isn't working. How can I solve this? ==
2138 2138  )))
2139 2139  )))
2140 2140  
2141 2141  (((
2142 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2190 +Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2143 2143  )))
2144 2144  
2145 2145  (((
2146 2146  
2147 2147  
2148 -== 7.2 Have trouble to upload image. ==
2149 -
2150 -
2196 +== 7.2 Having trouble uploading an image? ==
2151 2151  )))
2152 2152  
2153 2153  (((
2154 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2200 +Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2155 2155  )))
2156 2156  
2157 2157  (((
2158 2158  
2159 2159  
2160 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2161 -
2162 -
2206 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2163 2163  )))
2164 2164  
2165 2165  (((
2166 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2210 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2167 2167  )))
2168 2168  
2169 2169  
2170 -= 8. Order Info =
2214 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2171 2171  
2216 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2217 +Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2172 2172  
2219 +
2220 += 8. Ordering information =
2221 +
2173 2173  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2174 2174  
2175 2175  (% style="color:#4f81bd" %)**XXX:**
2176 2176  
2177 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2226 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2227 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2228 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2229 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2230 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2231 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2232 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2233 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2234 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2186 2186  
2187 2187  
2188 -= 9. Packing Info =
2237 += 9. Packing information =
2189 2189  
2239 +**Package includes**:
2190 2190  
2191 -**Package Includes**:
2241 +* 1 x LT-22222-L I/O Controller
2242 +* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2243 +* 1 x bracket for DIN rail mounting
2244 +* 1 x 3.5mm programming cable
2192 2192  
2193 -* LT-22222-L I/O Controller x 1
2194 -* Stick Antenna for LoRa RF part x 1
2195 -* Bracket for controller x1
2196 -* Program cable x 1
2197 -
2198 2198  **Dimension and weight**:
2199 2199  
2200 2200  * Device Size: 13.5 x 7 x 3 cm
2201 -* Device Weight: 105g
2249 +* Device Weight: 105 g
2202 2202  * Package Size / pcs : 14.5 x 8 x 5 cm
2203 -* Weight / pcs : 170g
2251 +* Weight / pcs : 170 g
2204 2204  
2205 2205  
2206 2206  = 10. Support =
2207 2207  
2208 -
2209 2209  * (((
2210 -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.
2257 +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.
2211 2211  )))
2212 2212  * (((
2213 -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.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2260 +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]]
2214 2214  
2215 -
2216 2216  
2217 2217  )))
2218 2218  
2219 2219  = 11. Reference​​​​​ =
2220 2220  
2221 -
2222 2222  * 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]]
2223 2223  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2224 2224  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2225 -
2226 -
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