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 ... ... @@ -194,8 +194,6 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 197 - 198 - 199 199 = 2. Power ON Device = 200 200 201 201 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. ... ... @@ -276,8 +276,6 @@ 276 276 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 277 277 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 278 278 279 - 280 - 281 281 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 282 282 283 283 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -316,7 +316,6 @@ 316 316 * [1] RO1 relay channel is close and the RO1 LED is ON. 317 317 * [0] RO2 relay channel is open and RO2 LED is OFF; 318 318 319 - 320 320 **LT22222-L:** 321 321 322 322 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -332,8 +332,6 @@ 332 332 ** DO1 is high in case there is load between DO1 and V+. 333 333 ** DO1 LED is off in both case 334 334 335 - 336 - 337 337 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 338 338 339 339 ... ... @@ -474,11 +474,10 @@ 474 474 475 475 ((( 476 476 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 477 - 478 - 479 479 ))) 480 480 481 481 482 + 482 482 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 483 483 484 484 ... ... @@ -631,7 +631,6 @@ 631 631 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 632 632 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.** 633 633 634 - 635 635 **AT Command to set Trigger Condition**: 636 636 637 637 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -711,7 +711,6 @@ 711 711 712 712 * Each bits shows if the corresponding trigger has been configured. 713 713 714 - 715 715 **Example:** 716 716 717 717 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -723,7 +723,6 @@ 723 723 724 724 * Each bits shows which status has been trigger on this uplink. 725 725 726 - 727 727 **Example:** 728 728 729 729 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -735,7 +735,6 @@ 735 735 736 736 * Each bits shows which status has been trigger on this uplink. 737 737 738 - 739 739 **Example:** 740 740 741 741 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -764,7 +764,6 @@ 764 764 ))) 765 765 766 766 767 - 768 768 == 3.4 Configure LT via AT or Downlink == 769 769 770 770 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -777,7 +777,6 @@ 777 777 778 778 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 779 779 780 - 781 781 === 3.4.1 Common Commands === 782 782 783 783 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]] ... ... @@ -2009,8 +2009,16 @@ 2009 2009 ))) 2010 2010 2011 2011 ((( 2012 - 2007 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 2013 2013 2009 +If the device is not shut down, but directly powered off. 2010 + 2011 +It will default that this is a power-off state. 2012 + 2013 +In modes 2 to 5, DO RO status and pulse count are saved in flash. 2014 + 2015 +After restart, the status before power failure will be read from flash. 2016 + 2014 2014 = 6. Trouble Shooting = 2015 2015 ))) 2016 2016