Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 82.5 >
edited by Xiaoling
on 2022/06/20 11:17
To version < 77.96 >
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  
... ... @@ -104,8 +104,6 @@
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" %)
... ... @@ -231,9 +231,12 @@
231 231  
232 232  (((
233 233  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 +
234 234  )))
235 235  
236 236  
224 +
237 237  == 3.2 Example to join LoRaWAN network ==
238 238  
239 239  (((
... ... @@ -242,13 +242,12 @@
242 242  
243 243  [[image:image-20220523172350-1.png||height="266" width="864"]]
244 244  
245 -
246 246  (((
247 247  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:
248 248  )))
249 249  
250 250  (((
251 -(% 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.
252 252  )))
253 253  
254 254  (((
... ... @@ -257,7 +257,6 @@
257 257  
258 258  [[image:1653297924498-393.png]]
259 259  
260 -
261 261  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
262 262  
263 263  Add APP EUI in the application.
... ... @@ -271,7 +271,7 @@
271 271  
272 272  
273 273  (((
274 -(% 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.
275 275  )))
276 276  
277 277  [[image:1653298044601-602.png||height="405" width="709"]]
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289 289  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
290 290  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
291 291  
278 +
292 292  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293 293  
294 294  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -342,6 +342,7 @@
342 342  ** DO1 is high in case there is load between DO1 and V+.
343 343  ** DO1 LED is off in both case
344 344  
332 +
345 345  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346 346  
347 347  
... ... @@ -482,10 +482,11 @@
482 482  
483 483  (((
484 484  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
473 +
474 +
485 485  )))
486 486  
487 487  
488 -
489 489  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
490 490  
491 491  
... ... @@ -633,11 +633,14 @@
633 633  * **AT+MOD=1 ** **~-~->** The normal working mode
634 634  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
635 635  
625 +
636 636  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
637 637  
638 638  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
639 639  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.**
640 640  
631 +
632 +
641 641  **AT Command to set Trigger Condition**:
642 642  
643 643  (% style="color:#4f81bd" %)**Trigger base on voltage**:
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717 717  
718 718  * Each bits shows if the corresponding trigger has been configured.
719 719  
712 +
713 +
720 720  **Example:**
721 721  
722 722  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -728,6 +728,8 @@
728 728  
729 729  * Each bits shows which status has been trigger on this uplink.
730 730  
725 +
726 +
731 731  **Example:**
732 732  
733 733  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -739,6 +739,8 @@
739 739  
740 740  * Each bits shows which status has been trigger on this uplink.
741 741  
738 +
739 +
742 742  **Example:**
743 743  
744 744  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -767,6 +767,7 @@
767 767  )))
768 768  
769 769  
768 +
770 770  == 3.4 ​Configure LT via AT or Downlink ==
771 771  
772 772  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -779,6 +779,8 @@
779 779  
780 780  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
781 781  
781 +
782 +
782 782  === 3.4.1 Common Commands ===
783 783  
784 784  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]]
... ... @@ -2010,16 +2010,8 @@
2010 2010  )))
2011 2011  
2012 2012  (((
2013 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2014 +
2014 2014  
2015 -If the device is not shut down, but directly powered off.
2016 -
2017 -It will default that this is a power-off state.
2018 -
2019 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2020 -
2021 -After restart, the status before power failure will be read from flash.
2022 -
2023 2023  = 6. Trouble Shooting =
2024 2024  )))
2025 2025  

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