Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 82.6 >
edited by Xiaoling
on 2022/06/20 11:17
To version < 77.95 >
edited by Xiaoling
on 2022/06/10 09:31
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... ... @@ -19,8 +19,6 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -
23 -
24 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 25  )))
26 26  
... ... @@ -50,7 +50,6 @@
50 50  
51 51  )))
52 52  
53 -
54 54  == 1.2  Specifications ==
55 55  
56 56  (((
... ... @@ -79,8 +79,6 @@
79 79  )))
80 80  
81 81  (((
82 -
83 -
84 84  **Interface for Model: LT22222-L:**
85 85  )))
86 86  
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104 104  )))
105 105  
106 106  (((
107 -
108 -
109 109  **LoRa Spec:**
110 110  )))
111 111  
... ... @@ -166,8 +166,6 @@
166 166  * (((
167 167  Packet engine up to 256 bytes with CRC.
168 168  
169 -
170 -
171 171  
172 172  )))
173 173  
... ... @@ -181,9 +181,6 @@
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
184 -
185 -
186 -
187 187  == 1.4  Applications ==
188 188  
189 189  * Smart Buildings & Home Automation
... ... @@ -193,9 +193,6 @@
193 193  * Smart Cities
194 194  * Smart Factory
195 195  
196 -
197 -
198 -
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -209,7 +209,6 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
212 -
213 213  = 2. Power ON Device =
214 214  
215 215  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.
... ... @@ -232,9 +232,12 @@
232 232  
233 233  (((
234 234  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.
219 +
220 +
235 235  )))
236 236  
237 237  
224 +
238 238  == 3.2 Example to join LoRaWAN network ==
239 239  
240 240  (((
... ... @@ -243,13 +243,12 @@
243 243  
244 244  [[image:image-20220523172350-1.png||height="266" width="864"]]
245 245  
246 -
247 247  (((
248 248  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:
249 249  )))
250 250  
251 251  (((
252 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
238 +**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
253 253  )))
254 254  
255 255  (((
... ... @@ -258,7 +258,6 @@
258 258  
259 259  [[image:1653297924498-393.png]]
260 260  
261 -
262 262  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
263 263  
264 264  Add APP EUI in the application.
... ... @@ -272,7 +272,7 @@
272 272  
273 273  
274 274  (((
275 -(% 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.
260 +**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.
276 276  )))
277 277  
278 278  [[image:1653298044601-602.png||height="405" width="709"]]
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290 290  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
291 291  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
292 292  
278 +
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
295 295  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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343 343  ** DO1 is high in case there is load between DO1 and V+.
344 344  ** DO1 LED is off in both case
345 345  
332 +
346 346  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
347 347  
348 348  
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483 483  
484 484  (((
485 485  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
473 +
474 +
486 486  )))
487 487  
488 488  
489 -
490 490  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
491 491  
492 492  
... ... @@ -639,6 +639,8 @@
639 639  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
640 640  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.**
641 641  
630 +
631 +
642 642  **AT Command to set Trigger Condition**:
643 643  
644 644  (% style="color:#4f81bd" %)**Trigger base on voltage**:
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718 718  
719 719  * Each bits shows if the corresponding trigger has been configured.
720 720  
711 +
712 +
721 721  **Example:**
722 722  
723 723  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -729,6 +729,8 @@
729 729  
730 730  * Each bits shows which status has been trigger on this uplink.
731 731  
724 +
725 +
732 732  **Example:**
733 733  
734 734  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -740,6 +740,8 @@
740 740  
741 741  * Each bits shows which status has been trigger on this uplink.
742 742  
737 +
738 +
743 743  **Example:**
744 744  
745 745  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -768,6 +768,7 @@
768 768  )))
769 769  
770 770  
767 +
771 771  == 3.4 ​Configure LT via AT or Downlink ==
772 772  
773 773  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -780,6 +780,8 @@
780 780  
781 781  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
782 782  
780 +
781 +
783 783  === 3.4.1 Common Commands ===
784 784  
785 785  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]]
... ... @@ -2011,16 +2011,8 @@
2011 2011  )))
2012 2012  
2013 2013  (((
2014 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2013 +
2015 2015  
2016 -If the device is not shut down, but directly powered off.
2017 -
2018 -It will default that this is a power-off state.
2019 -
2020 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2021 -
2022 -After restart, the status before power failure will be read from flash.
2023 -
2024 2024  = 6. Trouble Shooting =
2025 2025  )))
2026 2026  

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