<
From version < 77.111 >
edited by Xiaoling
on 2022/06/10 09:37
To version < 82.5 >
edited by Xiaoling
on 2022/06/20 11:17
>
Change comment: There is no comment for this version

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... ... @@ -19,6 +19,8 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 +
23 +
22 22  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.
23 23  )))
24 24  
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48 48  
49 49  )))
50 50  
53 +
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
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76 76  )))
77 77  
78 78  (((
82 +
83 +
79 79  **Interface for Model: LT22222-L:**
80 80  )))
81 81  
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99 99  )))
100 100  
101 101  (((
107 +
108 +
102 102  **LoRa Spec:**
103 103  )))
104 104  
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159 159  * (((
160 160  Packet engine up to 256 bytes with CRC.
161 161  
169 +
170 +
162 162  
163 163  )))
164 164  
165 -
166 -
167 167  == 1.3 Features ==
168 168  
169 169  * LoRaWAN Class A & Class C protocol
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176 176  
177 177  
178 178  
186 +
179 179  == 1.4  Applications ==
180 180  
181 181  * Smart Buildings & Home Automation
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187 187  
188 188  
189 189  
198 +
190 190  == 1.5 Hardware Variants ==
191 191  
192 192  (% border="1" style="background-color:#f7faff; width:500px" %)
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200 200  * 1 x Counting Port
201 201  )))
202 202  
203 -
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  
284 -
285 285  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
286 286  
287 287  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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335 335  ** DO1 is high in case there is load between DO1 and V+.
336 336  ** DO1 LED is off in both case
337 337  
338 -
339 339  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
340 340  
341 341  
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476 476  
477 477  (((
478 478  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
479 -
480 -
481 481  )))
482 482  
483 483  
488 +
484 484  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
485 485  
486 486  
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762 762  )))
763 763  
764 764  
765 -
766 766  == 3.4 ​Configure LT via AT or Downlink ==
767 767  
768 768  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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2006 2006  )))
2007 2007  
2008 2008  (((
2009 -
2013 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2010 2010  
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 +
2011 2011  = 6. Trouble Shooting =
2012 2012  )))
2013 2013  
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