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From version 118.3
edited by Xiaoling
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To version 187.1
edited by Dilisi S
on 2024/11/11 05:23
Change comment: Nov 10 edits part 2

Summary

Details

Page properties
Title
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1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa I/O Controller User Manual
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, 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  (((
... ... @@ -53,162 +53,71 @@
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 -)))
82 -
83 -(((
84 -
85 -
86 86  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
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 -)))
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. 
107 107  
108 -(((
109 -
110 -
111 111  (% style="color:#037691" %)**LoRa Spec:**
112 -)))
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
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.
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.
170 -
171 -
172 -
173 -)))
174 -
175 175  == 1.3 Features ==
176 176  
177 -
178 -* LoRaWAN Class A & Class C protocol
179 -
97 +* LoRaWAN Class A & Class C modes
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 -* Remote configure parameters via LoRa Downlink
187 -
101 +* Remotely configure parameters via LoRaWAN Downlink
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -== 1.4  Applications ==
105 +== 1.4 Applications ==
193 193  
107 +* Smart buildings & home automation
108 +* Logistics and supply chain management
109 +* Smart metering
110 +* Smart agriculture
111 +* Smart cities
112 +* Smart factory
194 194  
195 -* Smart Buildings & Home Automation
196 -
197 -* Logistics and Supply Chain Management
198 -
199 -* Smart Metering
200 -
201 -* Smart Agriculture
202 -
203 -* Smart Cities
204 -
205 -* Smart Factory
206 -
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
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**
212 212  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 213  (% style="text-align:center" %)
214 214  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -221,149 +221,234 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
224 -= 2. Power ON Device =
131 += 2. Assembling the device =
225 225  
133 +== 2.1 Connecting the antenna ==
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 -)))
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.
230 230  
231 -(((
232 -PWR will on when device is properly powered.
137 +{{warning}}
138 +Warning! Do not power on the device without connecting the antenna.
139 +{{/warning}}
233 233  
234 -
235 -)))
141 +== 2.2 Terminals ==
236 236  
237 -[[image:1653297104069-180.png]]
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.
238 238  
145 +Upper screw terminal block (from left to right):
239 239  
240 -= 3. Operation Mode =
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
241 241  
242 -== 3.1 How it works? ==
156 +Lower screw terminal block (from left to right):
243 243  
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
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 -)))
171 +== 2.3 Powering the device ==
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 -)))
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.
252 252  
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.
253 253  
254 -== 3.2 Example to join LoRaWAN network ==
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}}
255 255  
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. 
182 +[[image:1653297104069-180.png]]
259 259  
260 -
261 -)))
262 262  
263 -[[image:image-20220523172350-1.png||height="266" width="864"]]
185 += 3. Registering with a LoRaWAN Network Server =
264 264  
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.
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:
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.
268 268  
269 -
270 -)))
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.
271 271  
272 -(((
273 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
274 -)))
193 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
275 275  
276 -(((
277 -Each LT is shipped with a sticker with the default device EUI as below:
278 -)))
195 +[[image:image-20220523172350-1.png||height="266" width="864"]]
279 279  
197 +=== 3.2.1 Prerequisites ===
198 +
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.
200 +
280 280  [[image:image-20230425173427-2.png||height="246" width="530"]]
281 281  
203 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
282 282  
283 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
205 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
284 284  
285 -**Add APP EUI in the application.**
207 +The Things Stack Sandbox was formally called The Things Stack Community Edition.
286 286  
287 -[[image:1653297955910-247.png||height="321" width="716"]]
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:
288 288  
214 +==== 3.2.2.1 Using the LoRaWAN Device Repository ====
289 289  
290 -**Add APP KEY and DEV EUI**
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.
291 291  
292 -[[image:1653298023685-319.png]]
226 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
293 293  
294 294  
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.
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.
236 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
298 298  
299 -
300 -)))
238 +==== ====
301 301  
302 -[[image:1653298044601-602.png||height="405" width="709"]]
240 +==== 3.2.2.2 Adding device manually ====
303 303  
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.
304 304  
305 -== 3.3 Uplink Payload ==
251 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
306 306  
307 307  
308 -There are five working modes + one interrupt mode on LT for different type application:
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.
309 309  
310 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
262 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
263 +
264 +
265 +You will be navigated to the **Device overview** page.
266 +
267 +
268 +[[image:lt-22222-device-overview.png||height="625" width="1000"]]
269 +
270 +
271 +==== 3.2.2.3 Joining ====
272 +
273 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
274 +
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**).
276 +
277 +
278 +[[image:lt-22222-join-network.png||height="625" width="1000"]]
279 +
280 +
281 +By default, you will receive an uplink data message from the device every 10 minutes.
282 +
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.
284 +
285 +[[image:lt-22222-ul-payload-decoded.png]]
286 +
287 +
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.
289 +
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}}
293 +
294 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
295 +
296 +
297 +== 3.3 Work Modes and Uplink Payload formats ==
298 +
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.
315 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 -
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
319 +This is the default mode.
322 322  
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
321 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
322 +
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**
325 325  |Value|(((
326 -AVI1
327 -voltage
326 +AVI1 voltage
328 328  )))|(((
329 -AVI2
330 -voltage
328 +AVI2 voltage
331 331  )))|(((
332 -ACI1
333 -Current
330 +ACI1 Current
334 334  )))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
332 +ACI2 Current
333 +)))|**DIDORO***|(((
338 338  Reserve
339 339  )))|MOD
340 340  )))
341 341  
342 -
343 343  (((
344 -
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.
345 345  
346 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
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
351 351  )))
352 352  
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.
353 353  
354 -* RO is for relay. ROx=1 : close,ROx=0 always open.
355 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
356 -* 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**
357 357  
358 -(% 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]]
359 359  
360 -For example if payload is: [[image:image-20220523175847-2.png]]
361 361  
355 +**The interface values can be calculated as follows:  **
362 362  
363 -**The value for the interface is **
357 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
364 364  
365 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
366 -
367 367  AVI2 channel voltage is 0x04AC/1000=1.196V
368 368  
369 369  ACI1 channel current is 0x1310/1000=4.880mA
... ... @@ -370,96 +370,92 @@
370 370  
371 371  ACI2 channel current is 0x1300/1000=4.864mA
372 372  
373 -The last byte 0xAA= 10101010(B) means
365 +The last byte 0xAA= **10101010**(b) means,
374 374  
375 -* [1] RO1 relay channel is close and the RO1 LED is ON.
376 -* [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.
377 377  
378 -**LT22222-L:**
379 -
380 -* [1] DI2 channel is high input and DI2 LED is ON;
381 -* [0] DI1 channel is low input;
382 -
383 -* [0] DO3 channel output state
384 -** DO3 is float in case no load between DO3 and V+.;
385 -** DO3 is high in case there is load between DO3 and V+.
386 -** DO3 LED is off in both case
387 -* [1] DO2 channel output is low and DO2 LED is ON.
388 -* [0] DO1 channel output state
389 -** DO1 is float in case no load between DO1 and V+.;
390 -** DO1 is high in case there is load between DO1 and V+.
391 -** DO1 LED is off in both case
392 -
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
396 396  (((
397 -**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.
398 398  )))
399 399  
400 400  (((
401 -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
402 402  )))
403 403  
404 -[[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.
405 405  
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
406 406  
407 -(((
408 -(% 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.
409 409  )))
410 410  
411 -[[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.
412 412  
413 -* RO is for relay. ROx=1 : close,ROx=0 always open.
414 -* FIRST: Indicate this is the first packet after join network.
415 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
416 -
417 417  (((
418 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
419 -)))
413 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
420 420  
421 -(((
422 422  
416 +)))
423 423  
424 -**To use counting mode, please run:**
418 +(((
419 +**To activate this mode, run the following AT commands:**
425 425  )))
426 426  
422 +(((
427 427  (% class="box infomessage" %)
428 428  (((
429 -(((
430 -(((
431 431  **AT+MOD=2**
432 -)))
433 433  
434 -(((
435 435  **ATZ**
436 436  )))
437 437  )))
438 -)))
439 439  
440 440  (((
441 441  
442 442  
443 443  (% style="color:#4f81bd" %)**AT Commands for counting:**
444 -
445 -
446 446  )))
447 447  
448 448  (((
449 449  **For LT22222-L:**
450 450  
440 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
451 451  
452 -(% 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) **
453 453  
454 -(% 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) **
455 455  
456 -(% 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) **
457 457  
458 -(% 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)**
459 459  
460 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
461 -
462 -(% 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)**
463 463  )))
464 464  
465 465  
... ... @@ -466,46 +466,50 @@
466 466  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
467 467  
468 468  
469 -**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.
470 470  
471 -[[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
472 472  
473 473  (((
474 -
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.
475 475  
476 -(% 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
477 477  )))
478 478  
479 -[[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.
480 480  
481 -* RO is for relay. ROx=1 : close,ROx=0 always open.
482 -* FIRST: Indicate this is the first packet after join network.
483 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
484 -
485 485  (((
486 -(% 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.**
487 487  )))
488 488  
489 489  
490 490  (((
491 -**To use counting mode, please run:**
485 +**To activate this mode, run the following AT commands:**
492 492  )))
493 493  
488 +(((
494 494  (% class="box infomessage" %)
495 495  (((
496 -(((
497 -(((
498 498  **AT+MOD=3**
499 -)))
500 500  
501 -(((
502 502  **ATZ**
503 503  )))
504 504  )))
505 -)))
506 506  
507 507  (((
508 -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.
509 509  )))
510 510  
511 511  
... ... @@ -513,67 +513,64 @@
513 513  
514 514  
515 515  (((
516 -**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.
517 517  )))
518 518  
519 519  (((
520 -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
521 521  )))
522 522  
523 -[[image:image-20220523181903-8.png]]
524 -
525 -
526 526  (((
527 -(% 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
528 528  )))
529 529  
530 -[[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.
531 531  
532 -* RO is for relay. ROx=1 : close,ROx=0 always open.
533 -* FIRST: Indicate this is the first packet after join network.
534 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
535 -
536 536  (((
537 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
538 -)))
534 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
539 539  
540 -(((
541 541  
537 +)))
542 542  
543 -**To use this mode, please run:**
539 +(((
540 +**To activate this mode, run the following AT commands:**
544 544  )))
545 545  
543 +(((
546 546  (% class="box infomessage" %)
547 547  (((
548 -(((
549 -(((
550 550  **AT+MOD=4**
551 -)))
552 552  
553 -(((
554 554  **ATZ**
555 555  )))
556 556  )))
557 -)))
558 558  
559 -
560 560  (((
561 -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.
562 562  )))
563 563  
564 564  (((
565 -
557 +**In addition to that, below are the commands for AVI1 Counting:**
566 566  
567 -**Plus below command for AVI1 Counting:**
559 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
568 568  
561 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
569 569  
570 -(% 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)**
571 571  
572 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
573 -
574 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
575 -
576 -(% 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)**
577 577  )))
578 578  
579 579  
... ... @@ -580,47 +580,53 @@
580 580  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
581 581  
582 582  
583 -**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.
584 584  
585 -[[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
586 586  
587 587  (((
588 -
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.
589 589  
590 -(% 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
591 591  )))
592 592  
593 -* RO is for relay. ROx=1 : closeROx=0 always open.
594 -* 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.
595 595  * (((
596 -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.
597 597  )))
598 598  
599 599  (((
600 -(% 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.**
601 601  )))
602 602  
603 603  (((
604 -
605 -
606 -**To use this mode, please run:**
605 +**To activate this mode, run the following AT commands:**
607 607  )))
608 608  
608 +(((
609 609  (% class="box infomessage" %)
610 610  (((
611 -(((
612 -(((
613 613  **AT+MOD=5**
614 -)))
615 615  
616 -(((
617 617  **ATZ**
618 618  )))
619 619  )))
620 -)))
621 621  
622 622  (((
623 -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.
624 624  )))
625 625  
626 626  
... ... @@ -627,49 +627,48 @@
627 627  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
628 628  
629 629  
630 -(% 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.**
631 631  
632 -For example, if user has configured below commands:
627 +For example, if you configured the following commands:
633 633  
634 -* **AT+MOD=1 ** **~-~->**  The normal working mode
635 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
629 +* **AT+MOD=1 ** **~-~->**  The default work mode
630 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
636 636  
637 -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:
638 638  
639 -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
640 -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 +)))
641 641  
642 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
639 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
643 643  
641 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
644 644  
645 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
646 -
647 647  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
648 648  
649 649  
650 650  **Example:**
651 651  
652 -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)
653 653  
654 -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)
655 655  
656 656  
653 +(% style="color:#4f81bd" %)**Trigger based on current**:
657 657  
658 -(% style="color:#4f81bd" %)**Trigger base on current**:
659 -
660 660  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
661 661  
662 662  
663 663  **Example:**
664 664  
665 -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)
666 666  
667 667  
663 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
668 668  
669 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
665 +DI status triggers Flag.
670 670  
671 -DI status trigger Flag.
672 -
673 673  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
674 674  
675 675  
... ... @@ -678,71 +678,116 @@
678 678  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
679 679  
680 680  
681 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
675 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
682 682  
683 683  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
684 684  
685 685  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
686 686  
687 - AA: Code for this downlink Command:
681 + AA: Type Code for this downlink Command:
688 688  
689 - 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.
690 690  
691 - 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.
692 692  
693 - yy2 yy2: AC1 or AV1 high limit.
687 + yy2 yy2: AC1 or AV1 HIGH limit.
694 694  
695 - yy3 yy3: AC2 or AV2 low limit.
689 + yy3 yy3: AC2 or AV2 LOW limit.
696 696  
697 - Yy4 yy4: AC2 or AV2 high limit.
691 + Yy4 yy4: AC2 or AV2 HIGH limit.
698 698  
699 699  
700 -**Example1**: AA 00 13 88 00 00 00 00 00 00
694 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
701 701  
702 -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)
703 703  
704 704  
705 -**Example2**: AA 02 01 00
699 +**Example 2**: AA 02 01 00
706 706  
707 -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)
708 708  
709 709  
710 -
711 711  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
712 712  
713 -MOD6 Payload : total 11 bytes payload
706 +MOD6 Payload: total of 11 bytes
714 714  
715 -[[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 +)))
716 716  
720 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
717 717  
718 -(% 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 +)))
719 719  
720 -[[image:image-20220524090106-2.png]]
742 +* Each bit shows if the corresponding trigger has been configured.
721 721  
722 -* Each bits shows if the corresponding trigger has been configured.
723 -
724 724  **Example:**
725 725  
726 -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
727 727  
728 728  
749 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
729 729  
730 -(% 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 +)))
731 731  
732 -[[image:image-20220524090249-3.png]]
771 +* Each bit shows which status has been triggered on this uplink.
733 733  
734 -* Each bits shows which status has been trigger on this uplink.
735 -
736 736  **Example:**
737 737  
738 -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.
739 739  
740 740  
741 741  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
742 742  
743 -[[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
744 744  
745 -* Each bits shows which status has been trigger on this uplink.
784 +* Each bits shows which status has been triggered on this uplink.
746 746  
747 747  **Example:**
748 748  
... ... @@ -769,67 +769,83 @@
769 769  )))
770 770  
771 771  
772 -== 3.4 ​Configure LT via AT or Downlink ==
811 +== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
773 773  
774 -
775 775  (((
776 -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.
777 777  )))
778 778  
779 779  (((
780 780  (((
781 -There are two kinds of Commands:
819 +There are two tytes of commands:
782 782  )))
783 783  )))
784 784  
785 -* (% 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**(%%):
786 786  
787 -* (% 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**(%%):
788 788  
789 -=== 3.4.1 Common Commands ===
827 +=== 3.4.1 Common commands ===
790 790  
791 -
792 792  (((
793 -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.
794 794  )))
795 795  
833 +=== 3.4.2 Sensor-related commands ===
796 796  
797 -=== 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.
798 798  
799 799  ==== 3.4.2.1 Set Transmit Interval ====
800 800  
839 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
801 801  
802 -Set device uplink interval.
841 +(% style="color:#037691" %)**AT command**
803 803  
804 -* (% 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
805 805  
806 -(% style="color:blue" %)**AT+TDC=N **
850 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
851 +)))
807 807  
853 +(% style="color:#037691" %)**Downlink payload**
808 808  
809 -**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
810 810  
862 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
863 +)))
864 +|**Example**|(((
865 +01 **00 75 30**
811 811  
812 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
867 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
813 813  
814 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
869 +Conversion: 30000 (dec) = 00 75 30 (hex)
815 815  
871 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
872 +)))
816 816  
874 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
817 817  
818 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
819 819  
877 +Sets the work mode.
820 820  
821 -Set work mode.
879 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
822 822  
823 -* (% style="color:#037691" %)**AT Command:**
881 +Where N is the work mode.
824 824  
825 -(% style="color:blue" %)**AT+MOD= **
883 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
826 826  
827 827  
828 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
886 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
829 829  
830 -
831 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
832 -
833 833  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
834 834  
835 835  
... ... @@ -836,35 +836,30 @@
836 836  
837 837  ==== 3.4.2.3 Poll an uplink ====
838 838  
894 +Requests the device to send an uplink.
839 839  
840 -* (% style="color:#037691" %)**AT Command:**
841 841  
842 -There is no AT Command to poll uplink
897 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
843 843  
899 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
844 844  
845 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
846 -
847 847  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
848 848  
849 -
850 850  **Example**: 0x08FF, ask device to send an Uplink
851 851  
852 852  
853 853  
854 -==== 3.4.2.4 Enable Trigger Mode ====
907 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
855 855  
909 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
856 856  
857 -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**
858 858  
859 -* (% style="color:#037691" %)**AT Command:**
913 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
860 860  
861 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
915 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
862 862  
863 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
864 864  
865 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
866 -
867 -
868 868  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
869 869  
870 870  (% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
... ... @@ -873,34 +873,27 @@
873 873  
874 874  ==== 3.4.2.5 Poll trigger settings ====
875 875  
926 +Polls the trigger settings.
876 876  
877 -Poll trigger settings,
878 -
879 879  * (% style="color:#037691" %)**AT Command:**
880 880  
881 881  There is no AT Command for this feature.
882 882  
883 -
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
885 885  
886 -(% 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
887 887  
888 888  
889 889  
890 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
938 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
891 891  
940 +Enable or disable DI1/DI2/DI2 as a trigger.
892 892  
893 -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 >**
894 894  
895 -* (% style="color:#037691" %)**AT Command:**
944 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
896 896  
897 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
898 898  
899 -
900 -**Example:**
901 -
902 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
903 -
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
905 905  
906 906  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -907,66 +907,48 @@
907 907  
908 908  
909 909  
910 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
953 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
911 911  
955 +Sets DI1 or DI3 (for LT-33222-L) as a trigger.
912 912  
913 -Set DI1 or DI3(for LT-33222-L) trigger.
957 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
914 914  
915 -* (% style="color:#037691" %)**AT Command:**
916 -
917 -(% style="color:blue" %)**AT+TRIG1=a,b**
918 -
919 919  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
920 920  
921 921  (% style="color:red" %)**b :** (%%)delay timing.
922 922  
963 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
923 923  
924 -**Example:**
925 925  
926 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
927 -
928 -
929 929  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
930 930  
931 931  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
932 932  
933 933  
971 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
934 934  
935 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
973 +Sets DI2 as a trigger.
936 936  
975 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
937 937  
938 -Set DI2 trigger.
977 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
939 939  
940 -* (% style="color:#037691" %)**AT Command:**
941 -
942 -(% style="color:blue" %)**AT+TRIG2=a,b**
943 -
944 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
945 -
946 946  (% style="color:red" %)**b :** (%%)delay timing.
947 947  
981 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
948 948  
949 -**Example:**
950 950  
951 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
952 -
953 -
954 954  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
955 955  
956 956  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
957 957  
958 958  
989 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
959 959  
960 -==== 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"]]
961 961  
993 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
962 962  
963 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
964 -
965 -* (% style="color:#037691" %)**AT Command**
966 -
967 -(% style="color:blue" %)**AT+ACLIM**
968 -
969 -
970 970  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
971 971  
972 972  (% 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"]]
... ... @@ -975,37 +975,26 @@
975 975  
976 976  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
977 977  
1003 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
978 978  
979 -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"]]**
980 980  
981 -* (% style="color:#037691" %)**AT Command**
982 -
983 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
984 -
985 -
986 986  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
987 987  
988 988  (% 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"]]
989 989  
990 990  
991 -
992 992  ==== 3.4.2.11 Trigger – Set minimum interval ====
993 993  
1014 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
994 994  
995 -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.
996 996  
997 -* (% style="color:#037691" %)**AT Command**
998 -
999 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1000 -
1001 -
1002 1002  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1003 1003  
1004 1004  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1005 1005  
1006 1006  (((
1007 -
1008 -
1009 1009  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1010 1010  )))
1011 1011  
... ... @@ -1013,6 +1013,7 @@
1013 1013  
1014 1014  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1015 1015  
1030 +Controls the digital outputs DO1, DO2, and DO3
1016 1016  
1017 1017  * (% style="color:#037691" %)**AT Command**
1018 1018  
... ... @@ -1020,8 +1020,9 @@
1020 1020  
1021 1021  
1022 1022  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1023 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1024 1024  
1039 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1040 +
1025 1025  (((
1026 1026  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1027 1027  )))
... ... @@ -1028,10 +1028,14 @@
1028 1028  
1029 1029  (((
1030 1030  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
1031 1031  )))
1032 1032  
1033 -[[image:image-20220524092754-5.png]]
1034 -
1035 1035  (((
1036 1036  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1037 1037  )))
... ... @@ -1068,24 +1068,31 @@
1068 1068  
1069 1069  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1070 1070  
1071 -[[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
1072 1072  
1073 -
1074 1074  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1075 1075  
1076 -[[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
1077 1077  
1078 -
1079 1079  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1080 1080  
1081 -[[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
1082 1082  
1113 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1083 1083  
1084 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1085 1085  
1086 - Latching time. Unit: ms
1087 -
1088 -
1089 1089  (% style="color:red" %)**Note: **
1090 1090  
1091 1091   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1092,7 +1092,6 @@
1092 1092  
1093 1093   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1094 1094  
1095 -
1096 1096  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1097 1097  
1098 1098  
... ... @@ -1116,7 +1116,7 @@
1116 1116  
1117 1117  
1118 1118  
1119 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1145 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1120 1120  
1121 1121  
1122 1122  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1134,11 +1134,18 @@
1134 1134  )))
1135 1135  
1136 1136  (((
1137 -01: Close ,  00: Open , 11: No action
1138 -)))
1163 +00: Closed ,  01: Open , 11: No action
1139 1139  
1140 -(((
1141 -[[image:image-20230426161322-1.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
1142 1142  )))
1143 1143  
1144 1144  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1212,11 +1212,8 @@
1212 1212  
1213 1213  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1214 1214  
1215 -* (% style="color:#037691" %)**AT Command:**
1248 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1216 1216  
1217 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1218 -
1219 -
1220 1220  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1221 1221  
1222 1222  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1226,10 +1226,8 @@
1226 1226  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1227 1227  
1228 1228  
1229 -* (% style="color:#037691" %)**AT Command:**
1259 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1230 1230  
1231 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1232 -
1233 1233  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1234 1234  
1235 1235  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1246,11 +1246,8 @@
1246 1246  
1247 1247  Clear counting for counting mode
1248 1248  
1249 -* (% style="color:#037691" %)**AT Command:**
1277 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1250 1250  
1251 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1252 -
1253 -
1254 1254  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1255 1255  
1256 1256  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1257,7 +1257,7 @@
1257 1257  
1258 1258  
1259 1259  
1260 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1285 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1378,75 +1378,145 @@
1378 1378  [[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"]]
1379 1379  
1380 1380  
1381 -== 3.5 Integrate with Mydevice ==
1406 +== 3.5 Integrating with ThingsEye.io ==
1382 1382  
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.
1383 1383  
1384 -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 ===
1385 1385  
1386 -(((
1387 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1388 -)))
1412 +We use The Things Stack Sandbox in this example:
1389 1389  
1390 -(((
1391 -(% 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.
1392 1392  
1393 -
1394 -)))
1419 +{{info}}
1420 +The username and  password (API key) you created here are required in the next section.
1421 +{{/info}}
1395 1395  
1396 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1423 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1397 1397  
1425 +=== 3.5.2 Configuring ThingsEye.io ===
1398 1398  
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).
1399 1399  
1400 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1431 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1401 1401  
1402 1402  
1403 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1434 +On the **Add integration** window, configure the following:
1404 1404  
1405 -(% 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:**
1406 1406  
1407 -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.
1408 1408  
1409 -[[image:1653356838789-523.png||height="337" width="740"]]
1446 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1410 1410  
1411 1411  
1449 +**Uplink data converter:**
1412 1412  
1413 -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.
1414 1414  
1415 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1457 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1416 1416  
1417 1417  
1418 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1460 +**Downlink data converter (this is an optional step):**
1419 1419  
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.
1420 1420  
1421 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1468 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1422 1422  
1423 1423  
1424 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1471 +**Connection:**
1425 1425  
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**.
1426 1426  
1427 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1478 +[[image:message-1.png]]
1428 1428  
1429 1429  
1430 -== 3.6 Interface Detail ==
1481 +* Click the **Add** button.
1431 1431  
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 +
1432 1432  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1433 1433  
1434 1434  
1435 -Support NPN Type sensor
1530 +Support NPN-type sensor
1436 1436  
1437 1437  [[image:1653356991268-289.png]]
1438 1438  
1439 1439  
1440 -=== 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) ===
1441 1441  
1442 1442  
1443 1443  (((
1444 -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.
1445 1445  )))
1446 1446  
1447 1447  (((
1448 1448  (((
1449 -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.
1450 1450  
1451 1451  
1452 1452  )))
... ... @@ -1456,7 +1456,7 @@
1456 1456  
1457 1457  (((
1458 1458  (((
1459 -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.
1460 1460  )))
1461 1461  )))
1462 1462  
... ... @@ -1465,22 +1465,22 @@
1465 1465  )))
1466 1466  
1467 1467  (((
1468 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1563 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1469 1469  )))
1470 1470  
1471 1471  (((
1472 -This type of sensor will output a low signal GND when active.
1567 +This type of sensor outputs a low (GND) signal when active.
1473 1473  )))
1474 1474  
1475 1475  * (((
1476 -Connect sensor's output to DI1-
1571 +Connect the sensor's output to DI1-
1477 1477  )))
1478 1478  * (((
1479 -Connect sensor's VCC to DI1+.
1574 +Connect the sensor's VCC to DI1+.
1480 1480  )))
1481 1481  
1482 1482  (((
1483 -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
1484 1484  )))
1485 1485  
1486 1486  (((
... ... @@ -1488,7 +1488,7 @@
1488 1488  )))
1489 1489  
1490 1490  (((
1491 -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.
1492 1492  )))
1493 1493  
1494 1494  (((
... ... @@ -1496,22 +1496,22 @@
1496 1496  )))
1497 1497  
1498 1498  (((
1499 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1594 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1500 1500  )))
1501 1501  
1502 1502  (((
1503 -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.
1504 1504  )))
1505 1505  
1506 1506  * (((
1507 -Connect sensor's output to DI1+
1602 +Connect the sensor's output to DI1+
1508 1508  )))
1509 1509  * (((
1510 -Connect sensor's GND DI1-.
1605 +Connect the sensor's GND DI1-.
1511 1511  )))
1512 1512  
1513 1513  (((
1514 -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:
1515 1515  )))
1516 1516  
1517 1517  (((
... ... @@ -1519,7 +1519,7 @@
1519 1519  )))
1520 1520  
1521 1521  (((
1522 -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.
1523 1523  )))
1524 1524  
1525 1525  (((
... ... @@ -1527,22 +1527,22 @@
1527 1527  )))
1528 1528  
1529 1529  (((
1530 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1625 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1531 1531  )))
1532 1532  
1533 1533  (((
1534 -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  
1535 1535  )))
1536 1536  
1537 1537  * (((
1538 -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.
1539 1539  )))
1540 1540  * (((
1541 -Connect sensor's GND DI1-.
1636 +Connect the sensor's GND DI1-.
1542 1542  )))
1543 1543  
1544 1544  (((
1545 -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:
1546 1546  )))
1547 1547  
1548 1548  (((
... ... @@ -1550,24 +1550,37 @@
1550 1550  )))
1551 1551  
1552 1552  (((
1553 -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.
1554 1554  )))
1555 1555  
1556 1556  
1557 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1652 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1558 1558  
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.
1559 1559  
1560 -(% 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.
1561 1561  
1562 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1658 +[[image:image-20230616235145-1.png]]
1563 1563  
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 +
1564 1564  [[image:1653357531600-905.png]]
1565 1565  
1566 1566  
1567 -=== 3.6.4 Analog Input Interface ===
1675 +=== 3.6.4 Analog Input Interfaces ===
1568 1568  
1569 1569  
1570 -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:
1571 1571  
1572 1572  
1573 1573  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1574,20 +1574,19 @@
1574 1574  
1575 1575  [[image:1653357592296-182.png]]
1576 1576  
1577 -Example to connect a 4~~20mA sensor
1685 +Example: Connecting a 4~~20mA sensor
1578 1578  
1579 -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.
1580 1580  
1581 1581  
1582 1582  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1583 1583  
1584 -(% style="color:red" %)**Red:  12~~24v**
1692 +(% style="color:red" %)**Red:  12~~24V**
1585 1585  
1586 1586  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1587 1587  
1588 1588  **Black:  GND**
1589 1589  
1590 -
1591 1591  **Connection diagram:**
1592 1592  
1593 1593  [[image:1653357640609-758.png]]
... ... @@ -1595,239 +1595,147 @@
1595 1595  [[image:1653357648330-671.png||height="155" width="733"]]
1596 1596  
1597 1597  
1598 -=== 3.6.5 Relay Output ===
1705 +Example: Connecting to a regulated power supply to measure voltage
1599 1599  
1707 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1600 1600  
1601 -(((
1602 -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"]]
1603 1603  
1604 -**Note**: RO pins go to Open(NO) when device is power off.
1605 -)))
1711 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1606 1606  
1607 -[[image:image-20220524100215-9.png]]
1608 1608  
1714 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1609 1609  
1610 -[[image:image-20220524100215-10.png||height="382" width="723"]]
1716 +(% style="color:red" %)**Red:  12~~24v**
1611 1611  
1718 +**Black:  GND**
1612 1612  
1613 -== 3.7 LEDs Indicators ==
1614 1614  
1721 +=== 3.6.5 Relay Output ===
1615 1615  
1616 -[[image:image-20220524100748-11.png]]
1617 1617  
1618 -
1619 -= 4. Use AT Command =
1620 -
1621 -== 4.1 Access AT Command ==
1622 -
1623 -
1624 1624  (((
1625 -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.
1626 -)))
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:
1627 1627  
1628 -(((
1629 -
1727 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1630 1630  )))
1631 1631  
1632 -[[image:1653358238933-385.png]]
1730 +[[image:image-20220524100215-9.png]]
1633 1633  
1634 1634  
1635 -(((
1636 -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:
1637 -)))
1733 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1638 1638  
1639 -[[image:1653358355238-883.png]]
1640 1640  
1736 +== 3.7 LEDs Indicators ==
1641 1641  
1642 -(((
1643 -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/]]
1644 -)))
1738 +The table below lists the behavior of LED indicators for each port function.
1645 1645  
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**|(((
1646 1646  (((
1647 -AT+<CMD>?        : Help on <CMD>
1745 +Device boot: TX blinks 5 times.
1648 1648  )))
1649 1649  
1650 1650  (((
1651 -AT+<CMD>         : Run <CMD>
1749 +Successful network join: TX remains ON for 5 seconds.
1652 1652  )))
1653 1653  
1654 1654  (((
1655 -AT+<CMD>=<value> : Set the value
1753 +Transmit a LoRa packet: TX blinks once
1656 1656  )))
1657 -
1658 -(((
1659 -AT+<CMD>=?       :  Get the value
1660 1660  )))
1661 -
1662 -(((
1663 -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
1664 1664  )))
1665 -
1666 -(((
1667 -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
1668 1668  )))
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
1669 1669  
1670 -(((
1671 -AT+DEUI: Get or Set the Device EUI
1672 -)))
1768 += 4. Using AT Commands =
1673 1673  
1674 -(((
1675 -AT+DADDR: Get or Set the Device Address
1676 -)))
1770 +The LT-22222-L supports programming using AT Commands.
1677 1677  
1678 -(((
1679 -AT+APPKEY: Get or Set the Application Key
1680 -)))
1772 +== 4.1 Connecting the LT-22222-L to a PC ==
1681 1681  
1682 1682  (((
1683 -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.
1684 1684  )))
1685 1685  
1686 -(((
1687 -AT+APPSKEY:  Get or Set the Application Session Key
1688 -)))
1778 +[[image:1653358238933-385.png]]
1689 1689  
1690 -(((
1691 -AT+APPEUI:  Get or Set the Application EUI
1692 -)))
1693 1693  
1694 1694  (((
1695 -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:
1696 1696  )))
1697 1697  
1698 -(((
1699 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1700 -)))
1785 +[[image:1653358355238-883.png]]
1701 1701  
1702 -(((
1703 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1704 -)))
1705 1705  
1706 1706  (((
1707 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1708 -)))
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/]]
1709 1709  
1710 -(((
1711 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1791 +== 4.2 LT-22222-L related AT commands ==
1712 1712  )))
1713 1713  
1714 1714  (((
1715 -AT+RX2FQ: Get or Set the Rx2 window frequency
1716 -)))
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.
1717 1717  
1718 -(((
1719 -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
1720 1720  )))
1721 1721  
1722 -(((
1723 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1724 -)))
1725 1725  
1726 -(((
1727 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1728 -)))
1729 -
1730 -(((
1731 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1732 -)))
1733 -
1734 -(((
1735 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1736 -)))
1737 -
1738 -(((
1739 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1740 -)))
1741 -
1742 -(((
1743 -AT+NWKID: Get or Set the Network ID
1744 -)))
1745 -
1746 -(((
1747 -AT+FCU: Get or Set the Frame Counter Uplink
1748 -)))
1749 -
1750 -(((
1751 -AT+FCD: Get or Set the Frame Counter Downlink
1752 -)))
1753 -
1754 -(((
1755 -AT+CLASS: Get or Set the Device Class
1756 -)))
1757 -
1758 -(((
1759 -AT+JOIN: Join network
1760 -)))
1761 -
1762 -(((
1763 -AT+NJS: Get OTAA Join Status
1764 -)))
1765 -
1766 -(((
1767 -AT+SENDB: Send hexadecimal data along with the application port
1768 -)))
1769 -
1770 -(((
1771 -AT+SEND: Send text data along with the application port
1772 -)))
1773 -
1774 -(((
1775 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1776 -)))
1777 -
1778 -(((
1779 -AT+RECV: Print last received data in raw format
1780 -)))
1781 -
1782 -(((
1783 -AT+VER:  Get current image version and Frequency Band
1784 -)))
1785 -
1786 -(((
1787 -AT+CFM: Get or Set the confirmation mode (0-1)
1788 -)))
1789 -
1790 -(((
1791 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1792 -)))
1793 -
1794 -(((
1795 -AT+SNR: Get the SNR of the last received packet
1796 -)))
1797 -
1798 -(((
1799 -AT+RSSI: Get the RSSI of the last received packet
1800 -)))
1801 -
1802 -(((
1803 -AT+TDC: Get or set the application data transmission interval in ms
1804 -)))
1805 -
1806 -(((
1807 -AT+PORT: Get or set the application port
1808 -)))
1809 -
1810 -(((
1811 -AT+DISAT: Disable AT commands
1812 -)))
1813 -
1814 -(((
1815 -AT+PWORD: Set password, max 9 digits
1816 -)))
1817 -
1818 -(((
1819 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1820 -)))
1821 -
1822 -(((
1823 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1824 -)))
1825 -
1826 -(((
1827 -AT+CFG: Print all settings
1828 -)))
1829 -
1830 -
1831 1831  == 4.2 Common AT Command Sequence ==
1832 1832  
1833 1833  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1836,41 +1836,41 @@
1836 1836  
1837 1837  
1838 1838  (((
1839 -(% style="color:blue" %)**If device has not joined network yet:**
1854 +(% style="color:blue" %)**If the device has not joined the network yet:**
1840 1840  )))
1841 1841  )))
1842 1842  
1843 1843  (((
1844 -(% style="background-color:#dcdcdc" %)**123456**
1859 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1845 1845  )))
1846 1846  
1847 1847  (((
1848 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1863 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %)**123456**
1867 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1871 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1857 1857  )))
1858 1858  
1859 1859  (((
1860 -(% style="background-color:#dcdcdc" %)**ATZ**
1875 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1861 1861  )))
1862 1862  
1863 1863  
1864 1864  (((
1865 -(% style="color:blue" %)**If device already joined network:**
1880 +(% style="color:blue" %)**If the device has already joined the network:**
1866 1866  )))
1867 1867  
1868 1868  (((
1869 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1884 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1870 1870  )))
1871 1871  
1872 1872  (((
1873 -(% style="background-color:#dcdcdc" %)**ATZ**
1888 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1874 1874  )))
1875 1875  
1876 1876  
... ... @@ -1947,8 +1947,6 @@
1947 1947  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1948 1948  
1949 1949  **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.**
1950 -
1951 -
1952 1952  )))
1953 1953  
1954 1954  (((
... ... @@ -1955,9 +1955,6 @@
1955 1955  [[image:1653359097980-169.png||height="188" width="729"]]
1956 1956  )))
1957 1957  
1958 -(((
1959 -
1960 -)))
1961 1961  
1962 1962  === 4.2.3 Change to Class A ===
1963 1963  
... ... @@ -1965,44 +1965,58 @@
1965 1965  (((
1966 1966  (% style="color:blue" %)**If sensor JOINED:**
1967 1967  
1968 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1969 -ATZ**
1978 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
1979 +
1980 +(% style="background-color:#dcdcdc" %)**ATZ**
1970 1970  )))
1971 1971  
1972 1972  
1973 1973  = 5. Case Study =
1974 1974  
1975 -== 5.1 Counting how many objects pass in Flow Line ==
1986 +== 5.1 Counting how many objects pass through the flow Line ==
1976 1976  
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]]?
1977 1977  
1978 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1979 1979  
1980 -
1981 1981  = 6. FAQ =
1982 1982  
1983 -== 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.
1984 1984  
1985 1985  
1986 -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? ==
1987 1987  
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 +
1988 1988  * Support new features
1989 -* For bug fix
1990 -* Change LoRaWAN bands.
2003 +* Fix bugs
2004 +* Change LoRaWAN frequency bands
1991 1991  
1992 -Below shows the hardware connection for how to upload an image to the LT:
2006 +You will need the following things before proceeding:
1993 1993  
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 +
1994 1994  [[image:1653359603330-121.png]]
1995 1995  
1996 1996  
1997 -(((
1998 -(% 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]].
1999 -(% 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]].
2000 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2001 -
2023 +Start the STM32 Flash Loader and choose the correct COM port to update.
2002 2002  
2003 2003  (((
2026 +(((
2004 2004  (% style="color:blue" %)**For LT-22222-L**(%%):
2005 -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.
2006 2006  )))
2007 2007  
2008 2008  
... ... @@ -2017,41 +2017,36 @@
2017 2017  [[image:image-20220524104033-15.png]]
2018 2018  
2019 2019  
2020 -(% 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:
2021 2021  
2022 -
2023 2023  [[image:1653360054704-518.png||height="186" width="745"]]
2024 2024  
2025 2025  
2026 2026  (((
2027 2027  (((
2028 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2029 -
2030 -
2051 +== 6.2 How to change the LoRaWAN frequency band/region? ==
2031 2031  )))
2032 2032  )))
2033 2033  
2034 2034  (((
2035 -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.
2036 2036  )))
2037 2037  
2038 2038  (((
2039 2039  
2040 2040  
2041 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2042 -
2043 -
2062 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2044 2044  )))
2045 2045  
2046 2046  (((
2047 2047  (((
2048 -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.
2049 2049  )))
2050 2050  )))
2051 2051  
2052 2052  (((
2053 2053  (((
2054 -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.
2055 2055  
2056 2056  
2057 2057  )))
... ... @@ -2058,7 +2058,7 @@
2058 2058  )))
2059 2059  
2060 2060  (((
2061 -(% 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.
2062 2062  
2063 2063  
2064 2064  )))
... ... @@ -2083,13 +2083,21 @@
2083 2083  
2084 2084  (((
2085 2085  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2105 +
2086 2086  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2107 +
2087 2087  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2109 +
2088 2088  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2111 +
2089 2089  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2113 +
2090 2090  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2115 +
2091 2091  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2117 +
2092 2092  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2119 +
2093 2093  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2094 2094  )))
2095 2095  
... ... @@ -2101,145 +2101,142 @@
2101 2101  [[image:1653360498588-932.png||height="485" width="726"]]
2102 2102  
2103 2103  
2104 -== 6.4 How to change the uplink interval ==
2131 +== 6.4 How to change the uplink interval? ==
2105 2105  
2106 -
2107 2107  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/]]
2108 2108  
2109 2109  
2110 -== 6.5 Can I see counting event in Serial? ==
2136 +== 6.5 Can I see the counting event in the serial output? ==
2111 2111  
2112 -
2113 2113  (((
2114 -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.
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 doesnt support AT+DEBUG, update to the latest firmware first.
2115 2115  
2116 2116  
2117 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2142 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2118 2118  
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]].
2119 2119  
2120 -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]].
2121 -
2122 2122  
2123 2123  )))
2124 2124  
2125 2125  (((
2126 -== 6.7 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? ==
2127 2127  
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.
2128 2128  
2129 -If the device is not shut down, but directly powered off.
2130 2130  
2131 -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? ==
2132 2132  
2133 -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:
2134 2134  
2135 -After restart, the status before power failure will be read from flash.
2136 2136  
2163 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2137 2137  
2138 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2139 2139  
2166 +== 6.9 Can the LT-22222-L save the RO state? ==
2140 2140  
2141 -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.
2142 2142  
2143 2143  
2144 -[[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? ==
2145 2145  
2173 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2146 2146  
2147 -== 6.9 Can LT22222-L save RO state? ==
2148 2148  
2176 += 7. Troubleshooting =
2149 2149  
2150 -Firmware version needs to be no less than 1.6.0.
2178 +This section provides some known troubleshooting tips.
2151 2151  
2152 -
2153 -= 7. Trouble Shooting =
2180 +
2154 2154  )))
2155 2155  
2156 2156  (((
2157 2157  (((
2158 -== 7.1 Downlink doesn't work, how to solve it? ==
2159 -
2160 -
2185 +== 7.1 Downlink isn't working. How can I solve this? ==
2161 2161  )))
2162 2162  )))
2163 2163  
2164 2164  (((
2165 -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"]]
2166 2166  )))
2167 2167  
2168 2168  (((
2169 2169  
2170 2170  
2171 -== 7.2 Have trouble to upload image. ==
2172 -
2173 -
2196 +== 7.2 Having trouble uploading an image? ==
2174 2174  )))
2175 2175  
2176 2176  (((
2177 -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]]
2178 2178  )))
2179 2179  
2180 2180  (((
2181 2181  
2182 2182  
2183 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2184 -
2185 -
2206 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2186 2186  )))
2187 2187  
2188 2188  (((
2189 -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]]
2190 2190  )))
2191 2191  
2192 2192  
2193 -= 8. Order Info =
2214 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2194 2194  
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"]]
2195 2195  
2219 +
2220 += 8. Ordering information =
2221 +
2196 2196  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2197 2197  
2198 2198  (% style="color:#4f81bd" %)**XXX:**
2199 2199  
2200 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2201 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2202 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2203 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2204 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2205 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2206 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2207 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2208 -* (% 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
2209 2209  
2210 -= 9. Packing Info =
2211 2211  
2237 += 9. Packing information =
2212 2212  
2213 -**Package Includes**:
2239 +**Package includes**:
2214 2214  
2215 -* LT-22222-L I/O Controller x 1
2216 -* Stick Antenna for LoRa RF part x 1
2217 -* Bracket for controller x1
2218 -* Program cable x 1
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
2219 2219  
2220 2220  **Dimension and weight**:
2221 2221  
2222 2222  * Device Size: 13.5 x 7 x 3 cm
2223 -* Device Weight: 105g
2249 +* Device Weight: 105 g
2224 2224  * Package Size / pcs : 14.5 x 8 x 5 cm
2225 -* Weight / pcs : 170g
2251 +* Weight / pcs : 170 g
2226 2226  
2253 +
2227 2227  = 10. Support =
2228 2228  
2229 -
2230 2230  * (((
2231 -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.
2232 2232  )))
2233 2233  * (((
2234 -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]]
2235 2235  
2236 -
2237 2237  
2238 2238  )))
2239 2239  
2240 2240  = 11. Reference​​​​​ =
2241 2241  
2242 -
2243 2243  * 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]]
2244 2244  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2245 2245  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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