Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -1,7 +1,6 @@ 1 1 (% style="text-align:center" %) 2 2 [[image:image-20220523163353-1.jpeg||height="604" width="500"]] 3 3 4 -**LT-22222-L LoRa IO Controller User Manual ** 5 5 6 6 7 7 **Table of Contents:** ... ... @@ -19,6 +19,8 @@ 19 19 == 1.1 What is LT Series I/O Controller == 20 20 21 21 ((( 21 + 22 + 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 ... ... @@ -40,6 +40,8 @@ 40 40 41 41 ((( 42 42 2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless. 44 + 45 + 43 43 ))) 44 44 45 45 ((( ... ... @@ -48,6 +48,7 @@ 48 48 49 49 ))) 50 50 54 + 51 51 == 1.2 Specifications == 52 52 53 53 ((( ... ... @@ -76,6 +76,8 @@ 76 76 ))) 77 77 78 78 ((( 83 + 84 + 79 79 **Interface for Model: LT22222-L:** 80 80 ))) 81 81 ... ... @@ -99,6 +99,8 @@ 99 99 ))) 100 100 101 101 ((( 108 + 109 + 102 102 **LoRa Spec:** 103 103 ))) 104 104 ... ... @@ -159,11 +159,14 @@ 159 159 * ((( 160 160 Packet engine up to 256 bytes with CRC. 161 161 170 + 171 + 162 162 163 163 ))) 164 164 165 165 == 1.3 Features == 166 166 177 + 167 167 * LoRaWAN Class A & Class C protocol 168 168 * Optional Customized LoRa Protocol 169 169 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865 ... ... @@ -172,8 +172,12 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 186 + 187 + 188 + 175 175 == 1.4 Applications == 176 176 191 + 177 177 * Smart Buildings & Home Automation 178 178 * Logistics and Supply Chain Management 179 179 * Smart Metering ... ... @@ -181,8 +181,12 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 199 + 200 + 201 + 184 184 == 1.5 Hardware Variants == 185 185 204 + 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) 187 187 |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description** 188 188 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)((( ... ... @@ -194,8 +194,11 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 216 + 217 + 197 197 = 2. Power ON Device = 198 198 220 + 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. 200 200 201 201 ((( ... ... @@ -210,14 +210,13 @@ 210 210 211 211 == 3.1 How it works? == 212 212 235 + 213 213 ((( 214 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED**will be on for 1 second.237 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 215 215 ))) 216 216 217 217 ((( 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 - 241 +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. 221 221 ))) 222 222 223 223 ... ... @@ -224,18 +224,24 @@ 224 224 225 225 == 3.2 Example to join LoRaWAN network == 226 226 248 + 227 227 ((( 228 228 This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 251 + 252 + 229 229 ))) 230 230 231 231 [[image:image-20220523172350-1.png||height="266" width="864"]] 232 232 257 + 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: 260 + 261 + 235 235 ))) 236 236 237 237 ((( 238 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller. 265 +(% 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]] 246 246 274 + 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. ... ... @@ -256,8 +256,9 @@ 256 256 [[image:1653298023685-319.png]] 257 257 258 258 287 + 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. 289 +(% 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"]] ... ... @@ -266,22 +266,29 @@ 266 266 267 267 == 3.3 Uplink Payload == 268 268 298 + 269 269 There are five working modes + one interrupt mode on LT for different type application: 270 270 271 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO 272 -* **MOD2**: Double DI Counting + DO + RO 273 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO 274 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO 275 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 301 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO 302 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO 303 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO 304 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO 305 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 306 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 308 + 309 + 310 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 313 + 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 281 281 282 282 [[image:image-20220523174024-3.png]] 283 283 284 284 ((( 319 + 320 + 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]] 297 297 334 + 298 298 **The value for the interface is: ** 299 299 300 300 AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V ... ... @@ -310,6 +310,7 @@ 310 310 * [1] RO1 relay channel is close and the RO1 LED is ON. 311 311 * [0] RO2 relay channel is open and RO2 LED is OFF; 312 312 350 + 313 313 **LT22222-L:** 314 314 315 315 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -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 327 327 366 + 367 + 368 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 371 + 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]] 337 337 380 + 338 338 ((( 339 339 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 340 340 ))) ... ... @@ -350,6 +350,8 @@ 350 350 ))) 351 351 352 352 ((( 396 + 397 + 353 353 **To use counting mode, please run:** 354 354 ))) 355 355 ... ... @@ -357,75 +357,46 @@ 357 357 ((( 358 358 ((( 359 359 **AT+MOD=2** 360 -))) 361 -))) 362 362 363 -(% class="box infomessage" %) 364 -((( 365 -((( 366 366 **ATZ** 367 367 ))) 368 368 ))) 369 369 370 370 ((( 411 + 412 + 371 371 (% style="color:#4f81bd" %)**AT Commands for counting:** 372 372 ))) 373 373 374 374 ((( 375 375 **For LT22222-L:** 376 -))) 377 377 378 -(% class="box infomessage" %) 379 -((( 380 -((( 381 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 382 -))) 383 -))) 384 384 385 -(% class="box infomessage" %) 386 -((( 387 -((( 388 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 389 -))) 390 -))) 420 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (set DI1 port to trigger on low level, valid signal is 100ms) ** 391 391 392 -(% class="box infomessage" %) 393 -((( 394 -((( 395 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 396 -))) 397 -))) 422 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (set DI1 port to trigger on high level, valid signal is 100ms ) ** 398 398 399 -(% class="box infomessage" %) 400 -((( 401 -((( 402 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 403 -))) 404 -))) 424 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (set DI2 port to trigger on low level, valid signal is 100ms) ** 405 405 406 -(% class="box infomessage" %) 407 -((( 408 -((( 409 -**AT+SETCNT=1,60 (Set COUNT1 value to 60)** 410 -))) 411 -))) 426 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (set DI2 port to trigger on high level, valid signal is 100ms ) ** 412 412 413 -(% class="box infomessage" %) 414 -((( 415 -((( 416 -**AT+SETCNT=2,60 (Set COUNT2 value to 60)** 428 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (Set COUNT1 value to 60)** 429 + 430 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)** (Set COUNT2 value to 60)** 417 417 ))) 418 -))) 419 419 420 420 421 421 422 422 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 423 423 437 + 424 424 **LT22222-L**: This mode the DI1 is used as a counting pin. 425 425 426 426 [[image:image-20220523181246-5.png]] 427 427 428 428 ((( 443 + 444 + 429 429 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 430 430 ))) 431 431 ... ... @@ -439,6 +439,7 @@ 439 439 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 440 440 ))) 441 441 458 + 442 442 ((( 443 443 **To use counting mode, please run:** 444 444 ))) ... ... @@ -447,12 +447,7 @@ 447 447 ((( 448 448 ((( 449 449 **AT+MOD=3** 450 -))) 451 -))) 452 452 453 -(% class="box infomessage" %) 454 -((( 455 -((( 456 456 **ATZ** 457 457 ))) 458 458 ))) ... ... @@ -459,8 +459,6 @@ 459 459 460 460 ((( 461 461 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 462 - 463 - 464 464 ))) 465 465 466 466 ... ... @@ -467,6 +467,7 @@ 467 467 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 480 + 470 470 **LT22222-L**: This mode the DI1 is used as a counting pin. 471 471 472 472 The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour. ... ... @@ -473,6 +473,7 @@ 473 473 474 474 [[image:image-20220523181903-8.png]] 475 475 487 + 476 476 ((( 477 477 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 478 478 ))) ... ... @@ -488,6 +488,8 @@ 488 488 ))) 489 489 490 490 ((( 503 + 504 + 491 491 **To use this mode, please run:** 492 492 ))) 493 493 ... ... @@ -495,65 +495,44 @@ 495 495 ((( 496 496 ((( 497 497 **AT+MOD=4** 498 -))) 499 -))) 500 500 501 -(% class="box infomessage" %) 502 -((( 503 -((( 504 504 **ATZ** 505 505 ))) 506 506 ))) 507 507 508 -((( 509 - 510 -))) 511 511 518 + 512 512 ((( 513 513 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 514 514 ))) 515 515 516 516 ((( 524 + 525 + 517 517 **Plus below command for AVI1 Counting:** 518 -))) 519 519 520 -(% class="box infomessage" %) 521 -((( 522 -((( 523 -**AT+SETCNT=3,60 (set AVI Count to 60)** 524 -))) 525 -))) 526 526 527 -(% class="box infomessage" %) 528 -((( 529 -((( 530 -**AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 531 -))) 532 -))) 529 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)** (set AVI Count to 60)** 533 533 534 -(% class="box infomessage" %) 535 -((( 536 -((( 537 -**AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 538 -))) 539 -))) 531 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)** (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 540 540 541 -(% class="box infomessage" %) 542 -((( 543 -((( 544 -**AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 533 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)** (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 534 + 535 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)** (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 545 545 ))) 546 -))) 547 547 548 548 549 549 550 550 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 551 551 542 + 552 552 **LT22222-L**: This mode the DI1 is used as a counting pin. 553 553 554 554 [[image:image-20220523182334-9.png]] 555 555 556 556 ((( 548 + 549 + 557 557 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 558 558 ))) 559 559 ... ... @@ -568,6 +568,8 @@ 568 568 ))) 569 569 570 570 ((( 564 + 565 + 571 571 **To use this mode, please run:** 572 572 ))) 573 573 ... ... @@ -575,12 +575,7 @@ 575 575 ((( 576 576 ((( 577 577 **AT+MOD=5** 578 -))) 579 -))) 580 580 581 -(% class="box infomessage" %) 582 -((( 583 -((( 584 584 **ATZ** 585 585 ))) 586 586 ))) ... ... @@ -587,8 +587,6 @@ 587 587 588 588 ((( 589 589 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 590 - 591 - 592 592 ))) 593 593 594 594 ... ... @@ -595,12 +595,13 @@ 595 595 596 596 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 597 597 586 + 598 598 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 599 599 600 600 For example, if user has configured below commands: 601 601 602 -* **AT+MOD=1 ** **~-~->** The normal working mode 603 -* **AT+ADDMOD6=1** **~-~->** Enable trigger 591 +* **AT+MOD=1 ** **~-~->** The normal working mode 592 +* **AT+ADDMOD6=1** **~-~->** Enable trigger 604 604 605 605 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 606 606 ... ... @@ -607,8 +607,9 @@ 607 607 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 608 608 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.** 609 609 610 -**AT Command to set Trigger Condition**: 599 +(% style="color:#037691" %)**AT Command to set Trigger Condition**: 611 611 601 + 612 612 (% style="color:#4f81bd" %)**Trigger base on voltage**: 613 613 614 614 Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH> ... ... @@ -620,6 +620,7 @@ 620 620 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 621 621 622 622 613 + 623 623 (% style="color:#4f81bd" %)**Trigger base on current**: 624 624 625 625 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -629,6 +629,7 @@ 629 629 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 630 630 631 631 623 + 632 632 (% style="color:#4f81bd" %)**Trigger base on DI status**: 633 633 634 634 DI status trigger Flag. ... ... @@ -635,12 +635,13 @@ 635 635 636 636 Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG > 637 637 630 + 638 638 **Example:** 639 639 640 640 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 641 641 642 642 643 -**Downlink Command to set Trigger Condition** 636 +(% style="color:#037691" %)**Downlink Command to set Trigger Condition:** 644 644 645 645 Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM** 646 646 ... ... @@ -658,15 +658,18 @@ 658 658 659 659 Yy4 yy4: AC2 or AV2 high limit. 660 660 654 + 661 661 **Example1**: AA 00 13 88 00 00 00 00 00 00 662 662 663 663 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 664 664 659 + 665 665 **Example2**: AA 02 01 00 666 666 667 667 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 668 668 669 669 665 + 670 670 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 671 671 672 672 MOD6 Payload : total 11 bytes payload ... ... @@ -680,7 +680,6 @@ 680 680 681 681 * Each bits shows if the corresponding trigger has been configured. 682 682 683 - 684 684 **Example:** 685 685 686 686 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -723,6 +723,8 @@ 723 723 === 3.3.7 Payload Decoder === 724 724 725 725 ((( 721 + 722 + 726 726 **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]] 727 727 728 728 ... ... @@ -729,9 +729,9 @@ 729 729 ))) 730 730 731 731 732 - 733 733 == 3.4 Configure LT via AT or Downlink == 734 734 731 + 735 735 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 736 736 737 737 ((( ... ... @@ -744,8 +744,10 @@ 744 744 745 745 746 746 744 + 747 747 === 3.4.1 Common Commands === 748 748 747 + 749 749 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]] 750 750 751 751 ... ... @@ -752,80 +752,72 @@ 752 752 753 753 === 3.4.2 Sensor related commands === 754 754 754 + 755 755 ==== 3.4.2.1 Set Transmit Interval ==== 756 756 757 + 757 757 Set device uplink interval. 758 758 759 -* AT Command: 760 +* (% style="color:#037691" %)**AT Command:** 760 760 761 -(% class="box infomessage" %) 762 -((( 763 763 **AT+TDC=N ** 764 -))) 765 765 764 + 766 766 **Example: **AT+TDC=30000. Means set interval to 30 seconds 767 767 768 768 769 -* Downlink Payload (prefix 0x01): 768 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):** 770 770 771 -(% class="box infomessage" %) 772 -((( 773 773 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** 774 -))) 775 775 776 776 777 777 774 + 778 778 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 779 779 777 + 780 780 Set work mode. 781 781 782 -* AT Command: 780 +* (% style="color:#037691" %)**AT Command:** 783 783 784 -(% class="box infomessage" %) 785 -((( 786 786 **AT+MOD=N ** 787 -))) 788 788 784 + 789 789 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 790 790 791 791 792 -* Downlink Payload (prefix 0x0A): 788 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):** 793 793 794 -(% class="box infomessage" %) 795 -((( 796 -**0x0A aa ~/~/ Same as AT+MOD=aa** 797 -))) 790 +**0x0A aa ** ~/~/ Same as AT+MOD=aa 798 798 799 799 800 800 794 + 801 801 ==== 3.4.2.3 Poll an uplink ==== 802 802 803 -* AT Command: 804 804 798 +* (% style="color:#037691" %)**AT Command:** 799 + 805 805 There is no AT Command to poll uplink 806 806 807 807 808 -* Downlink Payload (prefix 0x08): 803 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):** 809 809 810 -(% class="box infomessage" %) 811 -((( 812 -**0x08 FF ~/~/ Poll an uplink,** 813 -))) 805 +**0x08 FF **~/~/ Poll an uplink 814 814 815 815 **Example**: 0x08FF, ask device to send an Uplink 816 816 817 817 818 818 811 + 819 819 ==== 3.4.2.4 Enable Trigger Mode ==== 820 820 814 + 821 821 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 822 822 823 -* AT Command: 817 +* (% style="color:#037691" %)**AT Command:** 824 824 825 -(% class="box infomessage" %) 826 -((( 827 827 **AT+ADDMOD6=1 or 0** 828 -))) 829 829 830 830 1: Enable Trigger Mode 831 831 ... ... @@ -832,43 +832,38 @@ 832 832 0: Disable Trigger Mode 833 833 834 834 835 -* Downlink Payload (prefix 0x0A 06): 826 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):** 836 836 837 -(% class="box infomessage" %) 838 -((( 839 -**0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** 840 -))) 828 +**0x0A 06 aa ** ~/~/ Same as AT+ADDMOD6=aa 841 841 842 842 843 843 832 + 844 844 ==== 3.4.2.5 Poll trigger settings ==== 845 845 835 + 846 846 Poll trigger settings, 847 847 848 -* AT Command: 838 +* (% style="color:#037691" %)**AT Command:** 849 849 850 850 There is no AT Command for this feature. 851 851 852 852 853 -* Downlink Payload (prefix 0x AB 06): 843 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):** 854 854 855 -(% class="box infomessage" %) 856 -((( 857 -**0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** 858 -))) 845 +**0xAB 06 **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command 859 859 860 860 861 861 849 + 862 862 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 863 863 852 + 864 864 Enable Disable DI1/DI2/DI2 as trigger, 865 865 866 -* AT Command: 855 +* (% style="color:#037691" %)**AT Command:** 867 867 868 -(% class="box infomessage" %) 869 -((( 870 870 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 871 -))) 872 872 873 873 874 874 **Example:** ... ... @@ -875,25 +875,21 @@ 875 875 876 876 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 877 877 878 -* Downlink Payload (prefix 0xAA 02): 864 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):** 879 879 880 -(% class="box infomessage" %) 881 -((( 882 -**0xAA 02 aa bb ~/~/ Same as AT+DTRI=aa,bb** 883 -))) 866 +**0xAA 02 aa bb **~/~/ Same as AT+DTRI=aa,bb 884 884 885 885 886 886 870 + 887 887 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 888 888 873 + 889 889 Set DI1 or DI3(for LT-33222-L) trigger. 890 890 891 -* AT Command: 876 +* (% style="color:#037691" %)**AT Command:** 892 892 893 -(% class="box infomessage" %) 894 -((( 895 895 **AT+TRIG1=a,b** 896 -))) 897 897 898 898 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 899 899 ... ... @@ -905,26 +905,22 @@ 905 905 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 906 906 907 907 908 -* Downlink Payload (prefix 0x09 01 ): 890 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 891 +* **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 909 909 910 -(% class="box infomessage" %) 911 -((( 912 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 913 -))) 914 914 915 915 916 916 917 917 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 918 918 898 + 919 919 Set DI2 trigger. 920 920 921 -* AT Command: 901 +* (% style="color:#037691" %)**AT Command:** 922 922 923 -(% class="box infomessage" %) 924 -((( 925 925 **AT+TRIG2=a,b** 926 -))) 927 927 905 + 928 928 a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1). 929 929 930 930 b : delay timing. ... ... @@ -935,93 +935,82 @@ 935 935 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 936 936 937 937 938 -* Downlink Payload (prefix 0x09 02 ): 916 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):** 939 939 940 -(% class="box infomessage" %) 941 -((( 942 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 943 -))) 918 +**0x09 02 aa bb cc **~/~/ same as AT+TRIG1=aa,0x(bb cc) 944 944 945 945 946 946 922 + 947 947 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 948 948 925 + 949 949 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 950 950 951 -* AT Command :928 +* (% style="color:#037691" %)**AT Command** 952 952 953 -(% class="box infomessage" %) 954 -((( 955 -**AT+ACLIM. ** 956 -))) 930 +**AT+ACLIM** 957 957 958 958 959 -* Downlink Payload (prefix 0xAA 01 ) :933 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )** 960 960 961 -(% class="box infomessage" %) 962 -((( 963 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 964 -))) 935 +**0x AA 01 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 965 965 966 966 967 967 939 + 968 968 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 969 969 942 + 970 970 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 971 971 972 -* AT Command :945 +* (% style="color:#037691" %)**AT Command** 973 973 974 -(% class="box infomessage" %) 975 -((( 976 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 977 -))) 947 +**AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 978 978 979 979 980 -* Downlink Payload (prefix 0xAA 00 ) :950 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )** 981 981 982 -(% class="box infomessage" %) 983 -((( 984 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** 985 -))) 952 +**0x AA 00 aa bb cc dd ee ff gg hh ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 986 986 987 987 988 988 956 + 989 989 ==== 3.4.2.11 Trigger – Set minimum interval ==== 990 990 991 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. 992 992 993 - *ATCommand:960 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 994 994 995 -(% class="box infomessage" %) 996 -((( 997 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 998 -))) 962 +* (% style="color:#037691" %)**AT Command** 999 999 964 +**AT+ATDC=5 ** Device won't response the second trigger within 5 minute after the first trigger. 1000 1000 1001 -* Downlink Payload (prefix 0xAC ): 1002 1002 1003 -(% class="box infomessage" %) 967 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )** 968 + 969 +**0x AC aa bb ** ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min) 970 + 1004 1004 ((( 1005 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** 972 + 973 + 974 +(% style="color:red" %)Note: ATDC setting must be more than 5min 1006 1006 ))) 1007 1007 1008 1008 1009 1009 979 + 1010 1010 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1011 1011 1012 -* AT Command: 1013 1013 983 +* (% style="color:#037691" %)**AT Command** 984 + 1014 1014 There is no AT Command to control Digital Output 1015 1015 1016 1016 1017 -* Downlink Payload (prefix 0x02): 988 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)** 989 +* **0x02 aa bb cc **~/~/ Set DO1/DO2/DO3 output 1018 1018 1019 -(% class="box infomessage" %) 1020 1020 ((( 1021 -**0x02 aa bb cc ~/~/ Set DO1/DO2/DO3 output** 1022 -))) 1023 - 1024 -((( 1025 1025 If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low. 1026 1026 ))) 1027 1027 ... ... @@ -1041,22 +1041,20 @@ 1041 1041 1042 1042 1043 1043 1011 + 1044 1044 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1045 1045 1046 -* AT Command: 1047 1047 1015 +* (% style="color:#037691" %)**AT Command** 1016 + 1048 1048 There is no AT Command to control Digital Output 1049 1049 1050 1050 1051 -* Downlink Payload (prefix 0xA9) :1020 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)** 1052 1052 1053 -(% class="box infomessage" %) 1054 -((( 1055 -((( 1056 -**0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 1057 -))) 1058 -))) 1022 +**0xA9 aa bb cc **~/~/ Set DO1/DO2/DO3 output with time control 1059 1059 1024 + 1060 1060 This is to control the digital output time of DO pin. Include four bytes: 1061 1061 1062 1062 (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9) ... ... @@ -1110,20 +1110,20 @@ 1110 1110 1111 1111 1112 1112 1078 + 1113 1113 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1114 1114 1115 -* AT Command: 1116 1116 1082 +* (% style="color:#037691" %)**AT Command:** 1083 + 1117 1117 There is no AT Command to control Relay Output 1118 1118 1119 1119 1120 -* Downlink Payload (prefix 0x03): 1087 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):** 1121 1121 1122 -(% class="box infomessage" %) 1123 -((( 1124 -**0x03 aa bb ~/~/ Set RO1/RO2 output** 1125 -))) 1089 +**0x03 aa bb **~/~/ Set RO1/RO2 output 1126 1126 1091 + 1127 1127 ((( 1128 1128 If payload = 0x030100, it means set RO1 to close and RO2 to open. 1129 1129 ))) ... ... @@ -1140,20 +1140,20 @@ 1140 1140 1141 1141 1142 1142 1108 + 1143 1143 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1144 1144 1145 -* AT Command: 1146 1146 1112 +* (% style="color:#037691" %)**AT Command:** 1113 + 1147 1147 There is no AT Command to control Relay Output 1148 1148 1149 1149 1150 -* Downlink Payload (prefix 0x05): 1117 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):** 1151 1151 1152 -(% class="box infomessage" %) 1153 -((( 1154 -**0x05 aa bb cc dd ~/~/ Set RO1/RO2 relay with time control:** 1155 -))) 1119 +**0x05 aa bb cc dd **~/~/ Set RO1/RO2 relay with time control 1156 1156 1121 + 1157 1157 This is to control the relay output time of relay. Include four bytes: 1158 1158 1159 1159 (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05) ... ... @@ -1167,7 +1167,7 @@ 1167 1167 1168 1168 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1169 1169 1170 -[[image:image-20220 524093831-10.png]]1135 +[[image:image-20220714135731-1.png||height="406" width="627"]] 1171 1171 1172 1172 1173 1173 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms ... ... @@ -1177,53 +1177,48 @@ 1177 1177 1178 1178 **Example payload:** 1179 1179 1180 -**~1. 05 01 11 07 D 0**1145 +**~1. 05 01 11 07 D** 1181 1181 1182 -Relay1 and Relay 2 will be set to N O, last 2 seconds, then change back to original state.1147 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state. 1183 1183 1184 1184 **2. 05 01 10 07 D0** 1185 1185 1186 -Relay1 will change to N O, Relay2 will change to NC, last 2 seconds, then both change back to original state.1151 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state. 1187 1187 1188 1188 **3. 05 00 01 07 D0** 1189 1189 1190 -Relay1 will change to N C, Relay2 will change to NO, last 2 seconds, then relay change to NO,C.1155 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO. 1191 1191 1192 1192 **4. 05 00 00 07 D0** 1193 1193 1194 -Relay 1 & relay2 will change to N C, last 2 seconds, then both change to NO.1159 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC. 1195 1195 1196 1196 1197 1197 1163 + 1198 1198 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1199 1199 1166 + 1200 1200 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1201 1201 1202 -* AT Command: 1169 +* (% style="color:#037691" %)**AT Command:** 1203 1203 1204 -(% class="box infomessage" %) 1205 -((( 1206 -**AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1207 -))) 1171 +**AT+VOLMAX ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1208 1208 1209 1209 1210 -* Downlink Payload (prefix 0xA5): 1174 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):** 1211 1211 1212 -(% class="box infomessage" %) 1213 -((( 1214 -**0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1215 -))) 1176 +**0xA5 aa bb cc **~/~/ Same as AT+VOLMAX=(aa bb),cc 1216 1216 1217 1217 1218 1218 1180 + 1219 1219 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1220 1220 1221 -* AT Command: 1222 1222 1223 -(% class="box infomessage" %)1224 - (((1184 +* (% style="color:#037691" %)**AT Command:** 1185 + 1225 1225 **AT+SETCNT=aa,(bb cc dd ee) ** 1226 -))) 1227 1227 1228 1228 aa: 1: Set count1, 1229 1229 ... ... @@ -1234,51 +1234,42 @@ 1234 1234 Bb cc dd ee: number to be set 1235 1235 1236 1236 1237 -* Downlink Payload (prefix 0xA8): 1197 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):** 1238 1238 1239 -(% class="box infomessage" %) 1240 -((( 1241 -**0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1242 -))) 1199 +**0x A8 aa bb cc dd ee **~/~/ same as AT+SETCNT=aa,(bb cc dd ee) 1243 1243 1244 1244 1245 1245 1203 + 1246 1246 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1247 1247 1206 + 1248 1248 Clear counting for counting mode 1249 1249 1250 -* AT Command: 1209 +* (% style="color:#037691" %)**AT Command:** 1251 1251 1252 -(% class="box infomessage" %) 1253 -((( 1254 -**AT+CLRCOUNT ~/~/ clear all counting** 1255 -))) 1211 +**AT+CLRCOUNT ** ~/~/ clear all counting 1256 1256 1257 -* Downlink Payload (prefix 0xA6): 1258 1258 1259 -(% class="box infomessage" %) 1260 -((( 1261 -**0x A6 01 ~/~/ clear all counting,** 1262 -))) 1214 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):** 1263 1263 1216 +**0x A6 01 ** ~/~/ clear all counting 1264 1264 1265 1265 1219 + 1220 + 1266 1266 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1267 1267 1268 -* AT Command: 1269 1269 1270 -(% class="box infomessage" %) 1271 -((( 1272 -**AT+COUTIME=60 ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)** 1273 -))) 1224 +* (% style="color:#037691" %)**AT Command:** 1274 1274 1275 -* DownlinkPayload(prefix0xA7):1226 +**AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) 1276 1276 1277 -(% class="box infomessage" %) 1278 -((( 1279 -**0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1280 -))) 1281 1281 1229 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):** 1230 + 1231 +**0x A7 aa bb cc **~/~/ same as AT+COUTIME =aa bb cc, 1232 + 1282 1282 ((( 1283 1283 range: aa bb cc:0 to 16777215, (unit:second) 1284 1284 ... ... @@ -1286,8 +1286,10 @@ 1286 1286 ))) 1287 1287 1288 1288 1240 + 1289 1289 == 3.5 Integrate with Mydevice == 1290 1290 1243 + 1291 1291 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1292 1292 1293 1293 ((( ... ... @@ -1296,14 +1296,15 @@ 1296 1296 1297 1297 ((( 1298 1298 (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1252 + 1253 + 1299 1299 ))) 1300 1300 1301 -[[image:1 653356737703-362.png||height="232" width="732"]]1256 +[[image:image-20220719105525-1.png||height="377" width="677"]] 1302 1302 1303 -[[image:image-20220524094641-11.png||height="390" width="723"]] 1304 1304 1305 1305 1306 -[[image:image-20220 524094641-12.png||height="402" width="718"]]1260 +[[image:image-20220719110247-2.png||height="388" width="683"]] 1307 1307 1308 1308 1309 1309 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. ... ... @@ -1336,8 +1336,10 @@ 1336 1336 1337 1337 == 3.6 Interface Detail == 1338 1338 1293 + 1339 1339 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1340 1340 1296 + 1341 1341 Support NPN Type sensor 1342 1342 1343 1343 [[image:1653356991268-289.png]] ... ... @@ -1346,6 +1346,7 @@ 1346 1346 1347 1347 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1348 1348 1305 + 1349 1349 ((( 1350 1350 The DI port of LT-22222-L can support NPN or PNP output sensor. 1351 1351 ))) ... ... @@ -1352,7 +1352,9 @@ 1352 1352 1353 1353 ((( 1354 1354 ((( 1355 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high 1312 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high. 1313 + 1314 + 1356 1356 ))) 1357 1357 ))) 1358 1358 ... ... @@ -1397,6 +1397,8 @@ 1397 1397 1398 1398 ((( 1399 1399 1359 + 1360 + 1400 1400 ))) 1401 1401 1402 1402 ((( ... ... @@ -1428,6 +1428,8 @@ 1428 1428 1429 1429 ((( 1430 1430 1392 + 1393 + 1431 1431 ))) 1432 1432 1433 1433 ((( ... ... @@ -1461,6 +1461,7 @@ 1461 1461 1462 1462 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1463 1463 1427 + 1464 1464 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1465 1465 1466 1466 [[image:1653357531600-905.png]] ... ... @@ -1469,6 +1469,7 @@ 1469 1469 1470 1470 === 3.6.4 Analog Input Interface === 1471 1471 1436 + 1472 1472 The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is: 1473 1473 1474 1474 ... ... @@ -1500,6 +1500,7 @@ 1500 1500 1501 1501 === 3.6.5 Relay Output === 1502 1502 1468 + 1503 1503 ((( 1504 1504 The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below: 1505 1505 ))) ... ... @@ -1512,13 +1512,17 @@ 1512 1512 1513 1513 == 3.7 LEDs Indicators == 1514 1514 1481 + 1515 1515 [[image:image-20220524100748-11.png]] 1516 1516 1517 1517 1485 + 1518 1518 = 4. Use AT Command = 1519 1519 1488 + 1520 1520 == 4.1 Access AT Command == 1521 1521 1491 + 1522 1522 LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below. 1523 1523 1524 1524 [[image:1653358238933-385.png]] ... ... @@ -1717,8 +1717,6 @@ 1717 1717 1718 1718 ((( 1719 1719 AT+CFG: Print all settings 1720 - 1721 - 1722 1722 ))) 1723 1723 1724 1724 ... ... @@ -1725,6 +1725,7 @@ 1725 1725 1726 1726 == 4.2 Common AT Command Sequence == 1727 1727 1696 + 1728 1728 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1729 1729 1730 1730 ((( ... ... @@ -1764,8 +1764,6 @@ 1764 1764 1765 1765 ((( 1766 1766 (% style="background-color:#dcdcdc" %)ATZ 1767 - 1768 - 1769 1769 ))) 1770 1770 1771 1771 ... ... @@ -1850,13 +1850,16 @@ 1850 1850 1851 1851 === 4.2.3 Change to Class A === 1852 1852 1820 + 1853 1853 If sensor JOINED 1854 1854 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1855 1855 ATZ 1856 1856 1857 1857 1826 + 1858 1858 = 5. FAQ = 1859 1859 1829 + 1860 1860 == 5.1 How to upgrade the image? == 1861 1861 1862 1862 ... ... @@ -1878,7 +1878,9 @@ 1878 1878 1879 1879 1880 1880 (% style="color:blue" %)**For LT-22222-L**(%%): 1881 -Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1851 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode. 1852 + 1853 + 1882 1882 ))) 1883 1883 1884 1884 [[image:image-20220524103407-12.png]] ... ... @@ -1890,6 +1890,7 @@ 1890 1890 1891 1891 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1892 1892 1865 + 1893 1893 [[image:1653360054704-518.png||height="186" width="745"]] 1894 1894 1895 1895 ... ... @@ -1898,6 +1898,8 @@ 1898 1898 1899 1899 1900 1900 == 5.2 How to change the LoRa Frequency Bands/Region? == 1874 + 1875 + 1901 1901 ))) 1902 1902 ))) 1903 1903 ... ... @@ -1908,7 +1908,10 @@ 1908 1908 ((( 1909 1909 1910 1910 1886 + 1911 1911 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1888 + 1889 + 1912 1912 ))) 1913 1913 1914 1914 ((( ... ... @@ -1926,7 +1926,7 @@ 1926 1926 ))) 1927 1927 1928 1928 ((( 1929 -(% style="color: #4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.1907 +(% style="color:blue" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device. 1930 1930 ))) 1931 1931 1932 1932 ((( ... ... @@ -1934,12 +1934,12 @@ 1934 1934 ))) 1935 1935 1936 1936 ((( 1937 -(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1915 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.** 1938 1938 ))) 1939 1939 1940 1940 1941 1941 ((( 1942 -(% style="color: #4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:1920 +(% style="color:blue" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1943 1943 ))) 1944 1944 1945 1945 ((( ... ... @@ -1963,26 +1963,46 @@ 1963 1963 [[image:1653360498588-932.png||height="485" width="726"]] 1964 1964 1965 1965 1944 + 1966 1966 == 5.4 Can I see counting event in Serial? == 1967 1967 1947 + 1968 1968 ((( 1969 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn ’t support AT+DEBUG. User can update to latest firmware first.1949 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first. 1970 1970 1971 1971 1952 + 1972 1972 == 5.5 Can i use point to point communication for LT-22222-L? == 1973 1973 1955 + 1974 1974 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1957 + 1958 + 1959 + 1975 1975 ))) 1976 1976 1977 1977 ((( 1978 - 1963 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1979 1979 1965 + 1966 +If the device is not shut down, but directly powered off. 1967 + 1968 +It will default that this is a power-off state. 1969 + 1970 +In modes 2 to 5, DO RO status and pulse count are saved in flash. 1971 + 1972 +After restart, the status before power failure will be read from flash. 1973 + 1974 + 1975 + 1980 1980 = 6. Trouble Shooting = 1981 1981 ))) 1982 1982 1983 1983 ((( 1984 1984 ((( 1985 -== 6.1 Downlink doesn’t work, how to solve it? == 1981 +== 6.1 Downlink doesn't work, how to solve it? == 1982 + 1983 + 1986 1986 ))) 1987 1987 ))) 1988 1988 ... ... @@ -1993,7 +1993,10 @@ 1993 1993 ((( 1994 1994 1995 1995 1994 + 1996 1996 == 6.2 Have trouble to upload image. == 1996 + 1997 + 1997 1997 ))) 1998 1998 1999 1999 ((( ... ... @@ -2003,7 +2003,10 @@ 2003 2003 ((( 2004 2004 2005 2005 2006 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2007 + 2008 +== 6.3 Why I can't join TTN in US915 /AU915 bands? == 2009 + 2010 + 2007 2007 ))) 2008 2008 2009 2009 ((( ... ... @@ -2017,19 +2017,22 @@ 2017 2017 2018 2018 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 2019 2019 2020 - 2021 2021 (% style="color:#4f81bd" %)**XXX:** 2022 2022 2023 -* (% style="color: #4f81bd" %)**EU433**(%%): LT with frequency bands EU4332024 -* (% style="color: #4f81bd" %)**EU868**(%%): LT with frequency bands EU8682025 -* (% style="color: #4f81bd" %)**KR920**(%%): LT with frequency bands KR9202026 -* (% style="color: #4f81bd" %)**CN470**(%%): LT with frequency bands CN4702027 -* (% style="color: #4f81bd" %)**AS923**(%%): LT with frequency bands AS9232028 -* (% style="color: #4f81bd" %)**AU915**(%%): LT with frequency bands AU9152029 -* (% style="color: #4f81bd" %)**US915**(%%): LT with frequency bands US9152030 -* (% style="color: #4f81bd" %)**IN865**(%%): LT with frequency bands IN8652031 -* (% style="color: #4f81bd" %)**CN779**(%%): LT with frequency bands CN7792026 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433 2027 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868 2028 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920 2029 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470 2030 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923 2031 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915 2032 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915 2033 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865 2034 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779 2032 2032 2036 + 2037 + 2038 + 2039 + 2033 2033 = 8. Packing Info = 2034 2034 2035 2035 ... ... @@ -2047,18 +2047,32 @@ 2047 2047 * Package Size / pcs : 14.5 x 8 x 5 cm 2048 2048 * Weight / pcs : 170g 2049 2049 2057 + 2058 + 2059 + 2060 + 2050 2050 = 9. Support = 2051 2051 2063 + 2052 2052 * ((( 2053 2053 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 2054 2054 ))) 2055 2055 * ((( 2056 2056 Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2069 + 2070 + 2071 + 2072 + 2073 + 2057 2057 ))) 2058 2058 2059 2059 = 10. Reference = 2060 2060 2078 + 2061 2061 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2062 2062 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2063 2063 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2064 2064 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2083 + 2084 + 2085 +
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