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 ... ... @@ -216,12 +216,9 @@ 216 216 217 217 ((( 218 218 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 - 221 221 ))) 222 222 223 223 224 - 225 225 == 3.2 Example to join LoRaWAN network == 226 226 227 227 ((( ... ... @@ -230,12 +230,13 @@ 230 230 231 231 [[image:image-20220523172350-1.png||height="266" width="864"]] 232 232 239 + 233 233 ((( 234 234 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: 235 235 ))) 236 236 237 237 ((( 238 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller. 245 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller. 239 239 ))) 240 240 241 241 ((( ... ... @@ -244,6 +244,7 @@ 244 244 245 245 [[image:1653297924498-393.png]] 246 246 254 + 247 247 Input these keys in the LoRaWAN Server portal. Below is TTN screen shot: 248 248 249 249 Add APP EUI in the application. ... ... @@ -257,7 +257,7 @@ 257 257 258 258 259 259 ((( 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. 268 +(% 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. 261 261 ))) 262 262 263 263 [[image:1653298044601-602.png||height="405" width="709"]] ... ... @@ -275,7 +275,6 @@ 275 275 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 276 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 278 - 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. ... ... @@ -329,7 +329,6 @@ 329 329 ** DO1 is high in case there is load between DO1 and V+. 330 330 ** DO1 LED is off in both case 331 331 332 - 333 333 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 334 334 335 335 ... ... @@ -470,11 +470,10 @@ 470 470 471 471 ((( 472 472 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 473 - 474 - 475 475 ))) 476 476 477 477 482 + 478 478 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 479 479 480 480 ... ... @@ -622,14 +622,11 @@ 622 622 * **AT+MOD=1 ** **~-~->** The normal working mode 623 623 * **AT+ADDMOD6=1** **~-~->** Enable trigger 624 624 625 - 626 626 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 627 627 628 628 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 629 629 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.** 630 630 631 - 632 - 633 633 **AT Command to set Trigger Condition**: 634 634 635 635 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -709,8 +709,6 @@ 709 709 710 710 * Each bits shows if the corresponding trigger has been configured. 711 711 712 - 713 - 714 714 **Example:** 715 715 716 716 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -722,8 +722,6 @@ 722 722 723 723 * Each bits shows which status has been trigger on this uplink. 724 724 725 - 726 - 727 727 **Example:** 728 728 729 729 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -735,8 +735,6 @@ 735 735 736 736 * Each bits shows which status has been trigger on this uplink. 737 737 738 - 739 - 740 740 **Example:** 741 741 742 742 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -765,7 +765,6 @@ 765 765 ))) 766 766 767 767 768 - 769 769 == 3.4 Configure LT via AT or Downlink == 770 770 771 771 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -778,8 +778,6 @@ 778 778 779 779 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 780 780 781 - 782 - 783 783 === 3.4.1 Common Commands === 784 784 785 785 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]] ... ... @@ -2011,8 +2011,16 @@ 2011 2011 ))) 2012 2012 2013 2013 ((( 2014 - 2007 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 2015 2015 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 + 2016 2016 = 6. Trouble Shooting = 2017 2017 ))) 2018 2018