Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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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 ... ... @@ -48,6 +48,7 @@ 48 48 49 49 ))) 50 50 53 + 51 51 == 1.2 Specifications == 52 52 53 53 ((( ... ... @@ -76,6 +76,8 @@ 76 76 ))) 77 77 78 78 ((( 82 + 83 + 79 79 **Interface for Model: LT22222-L:** 80 80 ))) 81 81 ... ... @@ -99,6 +99,8 @@ 99 99 ))) 100 100 101 101 ((( 107 + 108 + 102 102 **LoRa Spec:** 103 103 ))) 104 104 ... ... @@ -159,6 +159,8 @@ 159 159 * ((( 160 160 Packet engine up to 256 bytes with CRC. 161 161 169 + 170 + 162 162 163 163 ))) 164 164 ... ... @@ -172,6 +172,9 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 184 + 185 + 186 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,9 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 196 + 197 + 198 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -274,8 +274,6 @@ 274 274 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 275 275 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 276 276 277 - 278 - 279 279 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 280 280 281 281 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -314,7 +314,6 @@ 314 314 * [1] RO1 relay channel is close and the RO1 LED is ON. 315 315 * [0] RO2 relay channel is open and RO2 LED is OFF; 316 316 317 - 318 318 **LT22222-L:** 319 319 320 320 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -330,8 +330,6 @@ 330 330 ** DO1 is high in case there is load between DO1 and V+. 331 331 ** DO1 LED is off in both case 332 332 333 - 334 - 335 335 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 336 336 337 337 ... ... @@ -472,11 +472,10 @@ 472 472 473 473 ((( 474 474 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 475 - 476 - 477 477 ))) 478 478 479 479 488 + 480 480 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 481 481 482 482 ... ... @@ -629,7 +629,6 @@ 629 629 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 630 630 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.** 631 631 632 - 633 633 **AT Command to set Trigger Condition**: 634 634 635 635 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -709,7 +709,6 @@ 709 709 710 710 * Each bits shows if the corresponding trigger has been configured. 711 711 712 - 713 713 **Example:** 714 714 715 715 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -721,7 +721,6 @@ 721 721 722 722 * Each bits shows which status has been trigger on this uplink. 723 723 724 - 725 725 **Example:** 726 726 727 727 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -733,7 +733,6 @@ 733 733 734 734 * Each bits shows which status has been trigger on this uplink. 735 735 736 - 737 737 **Example:** 738 738 739 739 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -762,7 +762,6 @@ 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 ... ... @@ -775,7 +775,6 @@ 775 775 776 776 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 777 777 778 - 779 779 === 3.4.1 Common Commands === 780 780 781 781 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]] ... ... @@ -2007,8 +2007,16 @@ 2007 2007 ))) 2008 2008 2009 2009 ((( 2010 - 2013 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 2011 2011 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 + 2012 2012 = 6. Trouble Shooting = 2013 2013 ))) 2014 2014