<
From version < 82.1 >
edited by Bei Jinggeng
on 2022/06/15 08:49
To version < 77.110 >
edited by Xiaoling
on 2022/06/10 09:36
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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48 48  
49 49  )))
50 50  
51 -
52 52  == 1.2  Specifications ==
53 53  
54 54  (((
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77 77  )))
78 78  
79 79  (((
80 -
81 -
82 82  **Interface for Model: LT22222-L:**
83 83  )))
84 84  
... ... @@ -102,8 +102,6 @@
102 102  )))
103 103  
104 104  (((
105 -
106 -
107 107  **LoRa Spec:**
108 108  )))
109 109  
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163 163  )))
164 164  * (((
165 165  Packet engine up to 256 bytes with CRC.
161 +
162 +
166 166  )))
167 167  
168 168  
166 +
167 +
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
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177 177  * Counting
178 178  
179 179  
179 +
180 +
180 180  == 1.4  Applications ==
181 181  
182 182  * Smart Buildings & Home Automation
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187 187  * Smart Factory
188 188  
189 189  
191 +
192 +
190 190  == 1.5 Hardware Variants ==
191 191  
192 192  (% border="1" style="background-color:#f7faff; width:500px" %)
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201 201  )))
202 202  
203 203  
207 +
204 204  = 2. Power ON Device =
205 205  
206 206  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.
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281 281  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 282  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
288 +
289 +
284 284  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
285 285  
286 286  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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319 319  * [1] RO1 relay channel is close and the RO1 LED is ON.
320 320  * [0] RO2 relay channel is open and RO2 LED is OFF;
321 321  
328 +
322 322  **LT22222-L:**
323 323  
324 324  * [1] DI2 channel is high input and DI2 LED is ON;
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334 334  ** DO1 is high in case there is load between DO1 and V+.
335 335  ** DO1 LED is off in both case
336 336  
344 +
345 +
337 337  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
338 338  
339 339  
... ... @@ -474,10 +474,11 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
486 +
487 +
477 477  )))
478 478  
479 479  
480 -
481 481  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
482 482  
483 483  
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630 630  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
631 631  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.**
632 632  
643 +
633 633  **AT Command to set Trigger Condition**:
634 634  
635 635  (% style="color:#4f81bd" %)**Trigger base on voltage**:
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709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
723 +
712 712  **Example:**
713 713  
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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720 720  
721 721  * Each bits shows which status has been trigger on this uplink.
722 722  
735 +
723 723  **Example:**
724 724  
725 725  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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731 731  
732 732  * Each bits shows which status has been trigger on this uplink.
733 733  
747 +
734 734  **Example:**
735 735  
736 736  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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759 759  )))
760 760  
761 761  
776 +
762 762  == 3.4 ​Configure LT via AT or Downlink ==
763 763  
764 764  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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771 771  
772 772  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
773 773  
789 +
774 774  === 3.4.1 Common Commands ===
775 775  
776 776  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]]
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2002 2002  )))
2003 2003  
2004 2004  (((
2005 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2021 +
2006 2006  
2007 -If the device is not shut down, but directly powered off.
2008 -
2009 -It will default that this is a power-off state.
2010 -
2011 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2012 -
2013 -After restart, the status before power failure will be read from flash.
2014 -
2015 2015  = 6. Trouble Shooting =
2016 2016  )))
2017 2017  
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