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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... ... @@ -76,6 +76,8 @@ 76 76 ))) 77 77 78 78 ((( 79 + 80 + 79 79 **Interface for Model: LT22222-L:** 80 80 ))) 81 81 ... ... @@ -99,6 +99,8 @@ 99 99 ))) 100 100 101 101 ((( 104 + 105 + 102 102 **LoRa Spec:** 103 103 ))) 104 104 ... ... @@ -158,10 +158,9 @@ 158 158 ))) 159 159 * ((( 160 160 Packet engine up to 256 bytes with CRC. 161 - 162 - 163 163 ))) 164 164 167 + 165 165 == 1.3 Features == 166 166 167 167 * LoRaWAN Class A & Class C protocol ... ... @@ -172,6 +172,7 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 178 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,7 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 188 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,7 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 202 + 197 197 = 2. Power ON Device = 198 198 199 199 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. ... ... @@ -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"]] 232 232 236 + 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. 242 +(% 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]] 246 246 251 + 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. 265 +(% 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"]] ... ... @@ -275,6 +275,9 @@ 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 277 277 283 + 284 + 285 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -282,6 +282,8 @@ 282 282 [[image:image-20220523174024-3.png]] 283 283 284 284 ((( 293 + 294 + 285 285 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 286 286 ))) 287 287 ... ... @@ -295,6 +295,7 @@ 295 295 296 296 For example if payload is: [[image:image-20220523175847-2.png]] 297 297 308 + 298 298 **The value for the interface is: ** 299 299 300 300 AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V ... ... @@ -325,8 +325,12 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 339 + 340 + 341 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 344 + 330 330 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 331 331 332 332 ((( ... ... @@ -335,6 +335,7 @@ 335 335 336 336 [[image:image-20220523180452-3.png]] 337 337 353 + 338 338 ((( 339 339 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 340 340 ))) ... ... @@ -468,6 +468,7 @@ 468 468 ))) 469 469 470 470 487 + 471 471 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 472 472 473 473 ... ... @@ -615,13 +615,11 @@ 615 615 * **AT+MOD=1 ** **~-~->** The normal working mode 616 616 * **AT+ADDMOD6=1** **~-~->** Enable trigger 617 617 618 - 619 619 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 620 620 621 621 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 622 622 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.** 623 623 624 - 625 625 **AT Command to set Trigger Condition**: 626 626 627 627 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -635,6 +635,7 @@ 635 635 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 636 636 637 637 653 + 638 638 (% style="color:#4f81bd" %)**Trigger base on current**: 639 639 640 640 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -644,6 +644,7 @@ 644 644 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 645 645 646 646 663 + 647 647 (% style="color:#4f81bd" %)**Trigger base on DI status**: 648 648 649 649 DI status trigger Flag. ... ... @@ -650,12 +650,13 @@ 650 650 651 651 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 652 652 670 + 653 653 **Example:** 654 654 655 655 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 656 656 657 657 658 -**Downlink Command to set Trigger Condition** 676 +**Downlink Command to set Trigger Condition:** 659 659 660 660 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 661 661 ... ... @@ -684,6 +684,7 @@ 684 684 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 685 685 686 686 705 + 687 687 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 688 688 689 689 MOD6 Payload : total 11 bytes payload ... ... @@ -697,7 +697,6 @@ 697 697 698 698 * Each bits shows if the corresponding trigger has been configured. 699 699 700 - 701 701 **Example:** 702 702 703 703 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -709,7 +709,6 @@ 709 709 710 710 * Each bits shows which status has been trigger on this uplink. 711 711 712 - 713 713 **Example:** 714 714 715 715 10000000: Means this packet is trigger by AC1_LOW. Means voltage too 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 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -763,8 +763,6 @@ 763 763 764 764 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 765 765 766 - 767 - 768 768 === 3.4.1 Common Commands === 769 769 770 770 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]]