Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 27.2 >
edited by Xiaoling
on 2022/05/24 09:13
To version < 18.1 >
edited by Xiaoling
on 2022/05/23 18:12
>
Change comment: Uploaded new attachment "image-20220523181246-5.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -4,13 +4,8 @@
4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 -{{toc/}}
10 10  
11 -
12 -
13 -
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -251,7 +251,7 @@
251 251  
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
253 253  
254 -**To use counting mode, please run:**
249 +To use counting mode, please run:
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
... ... @@ -263,7 +263,7 @@
263 263  **ATZ**
264 264  )))
265 265  
266 -(% style="color:#4f81bd" %)**AT Commands for counting:**
261 +AT Commands for counting:
267 267  
268 268  **For LT22222-L:**
269 269  
... ... @@ -287,180 +287,228 @@
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 -)))
294 294  
295 -(% class="box infomessage" %)
296 -(((
297 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 -)))
286 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
299 299  
300 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
288 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
301 301  
290 +
291 +**For both LT22222-L & LT33222-L**:
292 +
293 +AT+CLRCOUNT clear all countings
294 +
295 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
296 +
297 +
298 +
299 +1.
300 +11.
301 +111. AT+MOD=3, Single DI Counting + 2 x ACI
302 +
303 +**LT33222-L**: This mode the DI3 is used as a counting pin.
304 +
302 302  **LT22222-L**: This mode the DI1 is used as a counting pin.
303 303  
304 -[[image:image-20220523181246-5.png]]
305 305  
306 -(((
307 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
308 -)))
308 +(% border="1" style="background-color:#f7faff" %)
309 +|Size(bytes)|4|2|2|1|1|1
310 +|Value|COUNT1|(((
311 +ACI1
309 309  
310 -[[image:image-20220523181301-6.png]]
313 +Current
314 +)))|(((
315 +ACI2
311 311  
317 +Current
318 +)))|DIDORO*|Reserve|MOD
319 +
320 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
321 +
322 +(% border="1" style="background-color:#f7faff" %)
323 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
324 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
325 +
312 312  * RO is for relay. ROx=1 : close，ROx=0 always open.
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
316 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
330 +Note: DO3 is not valid for LT-22222-L.
317 317  
318 -**To use counting mode, please run:**
319 319  
320 -(% class="box infomessage" %)
321 -(((
322 -**AT+MOD=3**
323 -)))
333 +To use counting mode, please run:
324 324  
325 -(% class="box infomessage" %)
326 -(((
327 -**ATZ**
328 -)))
335 +AT+MOD=3
329 329  
337 +ATZ
338 +
339 +
330 330  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331 331  
332 -=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
343 +
344 +
345 +1.
346 +11.
347 +111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
348 +
349 +**LT33222-L**: This mode the DI3 is used as a counting pin.
350 +
334 334  **LT22222-L**: This mode the DI1 is used as a counting pin.
335 335  
353 +
336 336  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.
337 337  
338 -[[image:image-20220523181903-8.png]]
339 339  
340 -(((
341 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
342 -)))
357 +(% border="1" style="background-color:#f7faff" %)
358 +|Size(bytes)|4|4|1|1|1
359 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
360 +Reserve
343 343  
344 -[[image:image-20220523181727-7.png]]
362 +
363 +)))|MOD
345 345  
365 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
366 +
367 +(% border="1" style="background-color:#f7faff" %)
368 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
369 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
370 +
346 346  * RO is for relay. ROx=1 : close，ROx=0 always open.
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
350 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
375 +Note: DO3 is not valid for LT-22222-L.
351 351  
352 -**To use this mode, please run:**
353 353  
354 -(% class="box infomessage" %)
355 -(((
356 -**AT+MOD=4**
357 -)))
378 +To use this mode, please run:
358 358  
359 -(% class="box infomessage" %)
360 -(((
361 -**ATZ**
362 -)))
380 +AT+MOD=4
363 363  
382 +ATZ
364 364  
384 +
385 +
365 365  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366 366  
367 -**Plus below command for AVI1 Counting:**
388 +Plus below command for AVI1 Counting:
368 368  
369 -(% class="box infomessage" %)
370 -(((
371 -**AT+SETCNT=3,60   (set AVI Count to 60)**
372 -)))
390 +AT+SETCNT=3,60   (set AVI Count to 60)
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 -)))
392 +AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 -)))
394 +AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
383 383  
384 -(% class="box infomessage" %)
385 -(((
386 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 -)))
396 +AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
388 388  
389 -=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
399 +
400 +1.
401 +11.
402 +111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
403 +
404 +**LT33222-L**: This mode the DI3 is used as a counting pin.
405 +
391 391  **LT22222-L**: This mode the DI1 is used as a counting pin.
392 392  
393 -[[image:image-20220523182334-9.png]]
394 394  
395 -(((
396 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 -)))
409 +(% border="1" style="background-color:#f7faff" %)
410 +|Size(bytes)|2|2|2|2|1|1|1
411 +|Value|(((
412 +AVI1
398 398  
414 +voltage
415 +)))|(((
416 +AVI2
417 +
418 +voltage
419 +)))|(((
420 +ACI1
421 +
422 +Current
423 +)))|COUNT1|DIDORO*|(((
424 +Reserve
425 +
426 +
427 +)))|MOD
428 +
429 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
430 +
431 +(% border="1" style="background-color:#f7faff" %)
432 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
433 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
434 +
399 399  * RO is for relay. ROx=1 : close，ROx=0 always open.
400 400  * FIRST: Indicate this is the first packet after join network.
401 401  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
402 402  
403 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
439 +Note: DO3 is not valid for LT-22222-L.
404 404  
405 -**To use this mode, please run:**
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -**AT+MOD=5**
410 -)))
442 +To use this mode, please run:
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -**ATZ**
415 -)))
444 +AT+MOD=5
416 416  
446 +ATZ
447 +
448 +
417 417  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
418 418  
419 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
421 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
422 422  
453 +
454 +
455 +1.
456 +11.
457 +111. AT+ADDMOD=6. (Trigger Mode, Optional)
458 +
459 +**This mode is an optional mode for trigger purpose. It can run together with other mode.**
460 +
423 423  For example, if user has configured below commands:
424 424  
425 -* **AT+MOD=1 ** **~-~->** The normal working mode
426 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
463 +* AT+MOD=1   à The normal working mode
464 +* AT+ADDMOD6=1    à Enable trigger
427 427  
428 428  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
429 429  
430 -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
431 -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.**
468 +1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
469 +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 **CONFIRMED data type.**
432 432  
433 433  **AT Command to set Trigger Condition**:
434 434  
435 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
473 +**Trigger base on voltage**:
436 436  
437 437  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
438 438  
439 -**Example:**
477 +Example:
440 440  
441 441  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
442 442  
443 443  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
444 444  
445 -(% style="color:#4f81bd" %)**Trigger base on current**:
446 446  
484 +**Trigger base on current**:
485 +
447 447  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
448 448  
449 -**Example:**
488 +Example:
450 450  
451 451  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
452 452  
453 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
454 454  
493 +**Trigger base on DI status**:
494 +
455 455  DI status trigger Flag.
456 456  
457 457  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
458 458  
459 -**Example:**
499 +Example:
460 460  
461 461  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
462 462  
463 463  
504 +
505 +
506 +
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 466  Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
... ... @@ -479,8 +479,9 @@
479 479  
480 480   Yy4 yy4: AC2 or AV2 high limit.
481 481  
482 -**Example1**: AA 00 13 88 00 00 00 00 00 00
483 483  
526 +Example1: AA 00 13 88 00 00 00 00 00 00
527 +
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 486  Example2: AA 02 01 00
... ... @@ -487,41 +487,134 @@
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
490 -(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
491 491  
535 +
536 +
537 +**Trigger Settings Payload Explanation:**
538 +
492 492  MOD6 Payload : total 11 bytes payload
493 493  
494 -[[image:image-20220524085923-1.png]]
541 +(% border="1" style="background-color:#f7faff" %)
542 +|Size(bytes)|1|1|1|6|1|1
543 +|Value|(((
544 +TRI_A
495 495  
496 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
546 +FLAG
547 +)))|(((
548 +TRI_A
497 497  
498 -[[image:image-20220524090106-2.png]]
550 +Status
551 +)))|(((
552 +TRI_DI
499 499  
554 +FLAG+STA
555 +)))|Reserve|Enable/Disable MOD6|(((
556 +MOD
557 +
558 +(6)
559 +)))
560 +
561 +**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
562 +
563 +(% border="1" style="background-color:#f7faff" %)
564 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
565 +|(((
566 +AV1_
567 +
568 +LOW
569 +)))|(((
570 +AV1_
571 +
572 +HIGH
573 +)))|(((
574 +AV2_
575 +
576 +LOW
577 +)))|(((
578 +AV2_
579 +
580 +HIGH
581 +)))|(((
582 +AC1_
583 +
584 +LOW
585 +)))|(((
586 +AC1_
587 +
588 +HIGH
589 +)))|(((
590 +AC2_
591 +
592 +LOW
593 +)))|(((
594 +AC2_
595 +
596 +HIGH
597 +)))
598 +
500 500  * Each bits shows if the corresponding trigger has been configured.
501 501  
502 -**Example:**
601 +Example:
503 503  
504 504  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
505 505  
506 506  
507 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
606 +**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
508 508  
509 -[[image:image-20220524090249-3.png]]
608 +(% border="1" style="background-color:#f7faff" %)
609 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
610 +|(((
611 +AV1_
510 510  
613 +LOW
614 +)))|(((
615 +AV1_
616 +
617 +HIGH
618 +)))|(((
619 +AV2_
620 +
621 +LOW
622 +)))|(((
623 +AV2_
624 +
625 +HIGH
626 +)))|(((
627 +AC1_
628 +
629 +LOW
630 +)))|(((
631 +AC1_
632 +
633 +HIGH
634 +)))|(((
635 +AC2_
636 +
637 +LOW
638 +)))|(((
639 +AC2_
640 +
641 +HIGH
642 +)))
643 +
511 511  * Each bits shows which status has been trigger on this uplink.
512 512  
513 -**Example:**
646 +Example:
514 514  
515 515  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
516 516  
517 517  
518 -(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
519 519  
520 -[[image:image-20220524090456-4.png]]
521 521  
653 +**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
654 +
655 +(% border="1" style="background-color:#f7faff" %)
656 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
657 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
658 +
522 522  * Each bits shows which status has been trigger on this uplink.
523 523  
524 -**Example:**
661 +Example:
525 525  
526 526  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
527 527  
... ... @@ -528,38 +528,49 @@
528 528  00000101: Means both DI1 and DI2 trigger are enabled.
529 529  
530 530  
531 -(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
668 +**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
532 532  
670 +
533 533  Downlink command to poll MOD6 status:
534 534  
535 -**AB 06**
673 +AB 06
536 536  
537 537  When device got this command, it will send the MOD6 payload.
538 538  
539 -=== 3.3.7 Payload Decoder ===
540 540  
541 -(((
678 +1.
679 +11.
680 +111. Payload Decoder
681 +
542 542  **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/]]
543 -)))
544 544  
545 -== 3.4 ​Configure LT via AT or Downlink ==
546 546  
547 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
548 548  
549 -(((
686 +
687 +
688 +
689 +
690 +1.
691 +11. ​Configure LT via AT or Downlink
692 +
693 +User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
694 +
550 550  There are two kinds of Commands:
551 -)))
552 552  
553 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
697 +* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
554 554  
555 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
699 +* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
556 556  
557 -=== 3.4.1 Common Commands ===
701 +1.
702 +11.
703 +111. Common Commands:
558 558  
559 -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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
705 +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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
560 560  
561 -=== Sensor related commands ===
562 562  
708 +1.
709 +11.
710 +111. Sensor related commands:
563 563  
564 564  ==== Set Transmit Interval ====
565 565  
... ... @@ -1017,7 +1017,7 @@
1017 1017  
1018 1018  
1019 1019  
1020 -1.
1168 +1.
1021 1021  11. Integrate with Mydevice
1022 1022  
1023 1023  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:
... ... @@ -1075,7 +1075,7 @@
1075 1075  
1076 1076  
1077 1077  1.
1078 -11.
1226 +11.
1079 1079  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1080 1080  
1081 1081  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1129,8 +1129,8 @@
1129 1129  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1130 1130  
1131 1131  
1132 -1.
1133 -11.
1280 +1.
1281 +11.
1134 1134  111. Digital Output Port: DO1/DO2 /DO3
1135 1135  
1136 1136  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1141,7 +1141,7 @@
1141 1141  
1142 1142  
1143 1143  1.
1144 -11.
1292 +11.
1145 1145  111. Analog Input Interface
1146 1146  
1147 1147  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:
... ... @@ -1174,7 +1174,7 @@
1174 1174  
1175 1175  
1176 1176  1.
1177 -11.
1325 +11.
1178 1178  111. Relay Output
1179 1179  
1180 1180  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:
... ... @@ -1334,7 +1334,7 @@
1334 1334  
1335 1335  
1336 1336  
1337 -1.
1485 +1.
1338 1338  11. Common AT Command Sequence
1339 1339  111. Multi-channel ABP mode (Use with SX1301/LG308)
1340 1340  
... ... @@ -1357,8 +1357,8 @@
1357 1357  
1358 1358  ATZ
1359 1359  
1360 -1.
1361 -11.
1508 +1.
1509 +11.
1362 1362  111. Single-channel ABP mode (Use with LG01/LG02)
1363 1363  
1364 1364  123456   Enter Password to have AT access.
... ... @@ -1398,7 +1398,7 @@
1398 1398  
1399 1399  
1400 1400  1.
1401 -11.
1549 +11.
1402 1402  111. Change to Class A
1403 1403  
1404 1404  If sensor JOINED
... ... @@ -1413,7 +1413,7 @@
1413 1413  
1414 1414  1. FAQ
1415 1415  
1416 -1.
1564 +1.
1417 1417  11. How to upgrade the image?
1418 1418  
1419 1419  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1472,7 +1472,7 @@
1472 1472  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1473 1473  
1474 1474  
1475 -1.
1623 +1.
1476 1476  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1477 1477  
1478 1478  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1531,7 +1531,7 @@
1531 1531  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1532 1532  
1533 1533  
1534 -1.
1682 +1.
1535 1535  11. Have trouble to upload image.
1536 1536  
1537 1537  See this link for trouble shooting:
... ... @@ -1539,7 +1539,7 @@
1539 1539  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1540 1540  
1541 1541  
1542 -1.
1690 +1.
1543 1543  11. Why I can’t join TTN in US915 /AU915 bands?
1544 1544  
1545 1545  It might be about the channels mapping. Please see this link for detail:
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