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Summary

Details

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Content
... ... @@ -7,15 +7,12 @@
7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 19  = 1.Introduction =
20 20  
21 21  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
... ... @@ -25,19 +25,19 @@
25 25  )))
26 26  
27 27  (((
28 -The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%) for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
25 +The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
29 29  )))
30 30  
31 31  (((
32 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%) and** (% style="color:blue" %)a 5v output(%%)** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
29 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
33 33  )))
34 34  
35 35  (((
36 -RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%) and powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years.
33 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
37 37  )))
38 38  
39 39  (((
40 -RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
37 +RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
41 41  )))
42 42  
43 43  (((
... ... @@ -54,11 +54,8 @@
54 54  
55 55  [[image:1652953304999-717.png||height="424" width="733"]]
56 56  
57 -
58 -
59 59  == 1.2 Specifications ==
60 60  
61 -
62 62  **Hardware System:**
63 63  
64 64  * STM32L072CZT6 MCU
... ... @@ -65,6 +65,8 @@
65 65  * SX1276/78 Wireless Chip 
66 66  * Power Consumption (exclude RS485 device):
67 67  ** Idle: 6uA@3.3v
62 +
63 +*
68 68  ** 20dB Transmit: 130mA@3.3v
69 69  
70 70  **Interface for Model:**
... ... @@ -118,12 +118,9 @@
118 118  
119 119  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
120 120  
121 -
122 122  == 1.6 Hardware Change log ==
123 123  
124 124  (((
125 -
126 -
127 127  v1.4
128 128  )))
129 129  
... ... @@ -147,8 +147,6 @@
147 147  
148 148  (((
149 149  Release version ​​​​​
150 -
151 -
152 152  )))
153 153  
154 154  = 2. Pin mapping and Power ON Device =
... ... @@ -162,7 +162,6 @@
162 162  
163 163  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
164 164  
165 -
166 166  = 3. Operation Mode =
167 167  
168 168  == 3.1 How it works? ==
... ... @@ -169,8 +169,6 @@
169 169  
170 170  (((
171 171  The RS485-BL is configured as LoRaWAN OTAA Class A 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 RS485-BL. It will auto join the network via OTAA.
172 -
173 -
174 174  )))
175 175  
176 176  == 3.2 Example to join LoRaWAN network ==
... ... @@ -206,6 +206,8 @@
206 206  )))
207 207  
208 208  
197 +
198 +
209 209  [[image:image-20220519174512-1.png]]
210 210  
211 211  [[image:image-20220519174512-2.png||height="328" width="731"]]
... ... @@ -229,13 +229,10 @@
229 229  
230 230  [[image:1652953568895-172.png||height="232" width="724"]]
231 231  
232 -
233 233  == 3.3 Configure Commands to read data ==
234 234  
235 235  (((
236 -There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
237 -
238 -
225 +There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
239 239  )))
240 240  
241 241  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -316,7 +316,6 @@
316 316  )))
317 317  )))
318 318  
319 -
320 320  === 3.3.2 Configure sensors ===
321 321  
322 322  (((
... ... @@ -337,9 +337,8 @@
337 337  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
338 338  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
339 339  
340 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
326 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
341 341  
342 -
343 343  === 3.3.3 Configure read commands for each sampling ===
344 344  
345 345  (((
... ... @@ -412,8 +412,8 @@
412 412  
413 413  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
414 414  
415 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
416 -|(% style="width:498px" %)(((
400 +(% border="1" class="table-bordered" %)
401 +|(((
417 417  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
418 418  
419 419  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -427,36 +427,39 @@
427 427  
428 428  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
429 429  
430 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
431 -|(% style="width:577px" %)(((
415 +(% border="1" class="table-bordered" %)
416 +|(((
432 432  **AT+SEARCHx=aa,xx xx xx xx xx**
433 433  
434 434  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
435 435  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
421 +
422 +
436 436  )))
437 437  
438 -**Examples:**
425 +Examples:
439 439  
440 -1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
427 +1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
441 441  
442 442  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
443 443  
444 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)**2e 30 58 5f 36 41 30 31 00 49**
431 +The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
445 445  
446 -[[image:1653271044481-711.png]]
433 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
447 447  
448 -2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
449 449  
436 +1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
437 +
450 450  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
451 451  
452 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is(% style="background-color:yellow" %) **2e 30 58 5f 36 41 30**
440 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
453 453  
454 -[[image:1653271276735-972.png]]
442 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
455 455  
444 +
456 456  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
457 457  
458 -(% style="background-color:#4f81bd; color:white; width:729px" %)
459 -|(% style="width:726px" %)(((
447 +|(((
460 460  **AT+DATACUTx=a,b,c**
461 461  
462 462  * **a: length for the return of AT+COMMAND**
... ... @@ -464,143 +464,98 @@
464 464  * **c: define the position for valid value.  **
465 465  )))
466 466  
467 -**Examples:**
455 +Examples:
468 468  
469 469  * Grab bytes:
470 470  
471 -[[image:1653271581490-837.png||height="313" width="722"]]
459 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
472 472  
473 -
474 474  * Grab a section.
475 475  
476 -[[image:1653271648378-342.png||height="326" width="720"]]
463 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
477 477  
478 -
479 479  * Grab different sections.
480 480  
481 -[[image:1653271657255-576.png||height="305" width="730"]]
467 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
482 482  
483 -(((
484 -(% style="color:red" %)**Note:**
485 -)))
486 486  
487 -(((
470 +Note:
471 +
488 488  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
489 -)))
490 490  
491 -(((
492 -**Example:**
493 -)))
474 +Example:
494 494  
495 -(((
496 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
497 -)))
476 +AT+COMMAND1=11 01 1E D0,0
498 498  
499 -(((
500 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
501 -)))
478 +AT+SEARCH1=1,1E 56 34
502 502  
503 -(((
504 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
505 -)))
480 +AT+DATACUT1=0,2,1~~5
506 506  
507 -(((
508 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
509 -)))
482 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
510 510  
511 -(((
512 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
513 -)))
484 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
514 514  
515 -(((
516 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
517 -)))
486 +Valid payload after DataCUT command: 2e 30 58 5f 36
518 518  
519 -[[image:1653271763403-806.png]]
488 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
520 520  
521 521  
522 -=== 3.3.4 Compose the uplink payload ===
523 523  
524 -(((
492 +
493 +1.
494 +11.
495 +111. Compose the uplink payload
496 +
525 525  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
526 -)))
527 527  
528 -(((
529 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
530 -)))
531 531  
532 -(((
533 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
534 -)))
500 +**Examples: AT+DATAUP=0**
535 535  
536 -(((
502 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
503 +
537 537  Final Payload is
538 -)))
539 539  
540 -(((
541 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
542 -)))
506 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
543 543  
544 -(((
545 545  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
546 -)))
547 547  
548 -[[image:1653272787040-634.png||height="515" width="719"]]
510 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
549 549  
550 550  
551 551  
552 -(((
553 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
514 +**Examples: AT+DATAUP=1**
554 554  
555 -
556 -)))
516 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
557 557  
558 -(((
559 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
560 -)))
561 -
562 -(((
563 563  Final Payload is
564 -)))
565 565  
566 -(((
567 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
568 -)))
520 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
569 569  
570 -1. (((
571 -Battery Info (2 bytes): Battery voltage
572 -)))
573 -1. (((
574 -PAYVER (1 byte): Defined by AT+PAYVER
575 -)))
576 -1. (((
577 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
578 -)))
579 -1. (((
580 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
581 -)))
582 -1. (((
583 -DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
584 -)))
522 +1. Battery Info (2 bytes): Battery voltage
523 +1. PAYVER (1 byte): Defined by AT+PAYVER
524 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
525 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
526 +1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
585 585  
586 -[[image:1653272817147-600.png||height="437" width="717"]]
528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
587 587  
530 +
588 588  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
589 589  
533 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
590 590  
591 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
535 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
592 592  
593 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
537 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
594 594  
595 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
596 596  
597 597  
598 598  Below are the uplink payloads:
599 599  
600 -[[image:1653272901032-107.png]]
543 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
601 601  
602 602  
603 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
546 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
604 604  
605 605   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
606 606  
... ... @@ -612,130 +612,89 @@
612 612  
613 613  
614 614  
615 -=== 3.3.5 Uplink on demand ===
558 +1.
559 +11.
560 +111. Uplink on demand
616 616  
617 -(((
618 618  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
619 -)))
620 620  
621 -(((
622 622  Downlink control command:
623 -)))
624 624  
625 -(((
626 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
627 -)))
566 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
628 628  
629 -(((
630 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
568 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
631 631  
632 -
633 -)))
634 634  
635 -=== 3.3.6 Uplink on Interrupt ===
636 636  
637 -Put the interrupt sensor between 3.3v_out and GPIO ext.
572 +1.
573 +11.
574 +111. Uplink on Interrupt
638 638  
639 -[[image:1653273818896-432.png]]
576 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
640 640  
641 -
642 -(((
643 643  AT+INTMOD=0  Disable Interrupt
644 -)))
645 645  
646 -(((
647 647  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
648 -)))
649 649  
650 -(((
651 651  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
652 -)))
653 653  
654 -(((
655 655  AT+INTMOD=3  Interrupt trigger by rising edge.
656 656  
657 -
658 -)))
659 659  
660 -== 3.4 Uplink Payload ==
587 +1.
588 +11. Uplink Payload
661 661  
662 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
663 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
664 -|Value|(% style="width:130px" %)(((
665 -(((
590 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
591 +|Value|(((
666 666  Battery(mV)
667 -)))
668 668  
669 -(((
670 670  &
671 -)))
672 672  
673 -(((
674 674  Interrupt _Flag
675 -)))
676 -)))|(% style="width:93px" %)(((
597 +)))|(((
677 677  PAYLOAD_VER
678 678  
679 679  
680 -)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
601 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
681 681  
682 682  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
683 683  
684 -(((
685 -{{{function Decoder(bytes, port) {}}}
686 -)))
687 687  
688 -(((
689 -{{{//Payload Formats of RS485-BL Deceive}}}
690 -)))
606 +function Decoder(bytes, port) {
691 691  
692 -(((
693 -{{{return {}}}
694 -)))
608 +~/~/Payload Formats of RS485-BL Deceive
695 695  
696 -(((
697 -{{{ //Battery,units:V}}}
698 -)))
610 +return {
699 699  
700 -(((
701 -{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}}
702 -)))
612 + ~/~/Battery,units:V
703 703  
704 -(((
705 -{{{ //GPIO_EXTI }}}
706 -)))
614 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
707 707  
708 -(((
709 -{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}}
710 -)))
616 + ~/~/GPIO_EXTI 
711 711  
712 -(((
713 -{{{ //payload of version}}}
714 -)))
618 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
715 715  
716 -(((
717 -{{{ Pay_ver:bytes[2],}}}
718 -)))
620 + ~/~/payload of version
719 719  
720 -(((
721 -{{{ }; }}}
722 -)))
622 + Pay_ver:bytes[2],
723 723  
724 -(((
725 -{{{ }}}}
624 + };
726 726  
727 -
728 -)))
626 + }
729 729  
730 -(((
731 -TTN V3 uplink screen shot.
732 -)))
733 733  
734 -[[image:1653274001211-372.png||height="192" width="732"]]
735 735  
736 736  
737 -== 3.5 Configure RS485-BL via AT or Downlink ==
738 738  
632 +
633 +
634 +TTN V3 uplink screen shot.
635 +
636 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
637 +
638 +1.
639 +11. Configure RS485-BL via AT or Downlink
640 +
739 739  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
740 740  
741 741  There are two kinds of Commands:
... ... @@ -744,15 +744,15 @@
744 744  
745 745  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
746 746  
747 -1.
748 -11.
649 +1.
650 +11.
749 749  111. Common Commands:
750 750  
751 751  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
752 752  
753 753  
754 -1.
755 -11.
656 +1.
657 +11.
756 756  111. Sensor related commands:
757 757  
758 758  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -1058,13 +1058,13 @@
1058 1058  
1059 1059  
1060 1060  
1061 -1.
963 +1.
1062 1062  11. Buttons
1063 1063  
1064 1064  |**Button**|**Feature**
1065 1065  |**RST**|Reboot RS485-BL
1066 1066  
1067 -1.
969 +1.
1068 1068  11. +3V3 Output
1069 1069  
1070 1070  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1082,7 +1082,7 @@
1082 1082  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1083 1083  
1084 1084  
1085 -1.
987 +1.
1086 1086  11. +5V Output
1087 1087  
1088 1088  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1102,13 +1102,13 @@
1102 1102  
1103 1103  
1104 1104  
1105 -1.
1007 +1.
1106 1106  11. LEDs
1107 1107  
1108 1108  |**LEDs**|**Feature**
1109 1109  |**LED1**|Blink when device transmit a packet.
1110 1110  
1111 -1.
1013 +1.
1112 1112  11. Switch Jumper
1113 1113  
1114 1114  |**Switch Jumper**|**Feature**
... ... @@ -1154,7 +1154,7 @@
1154 1154  
1155 1155  
1156 1156  
1157 -1.
1059 +1.
1158 1158  11. Common AT Command Sequence
1159 1159  111. Multi-channel ABP mode (Use with SX1301/LG308)
1160 1160  
... ... @@ -1173,8 +1173,8 @@
1173 1173  
1174 1174  ATZ
1175 1175  
1176 -1.
1177 -11.
1078 +1.
1079 +11.
1178 1178  111. Single-channel ABP mode (Use with LG01/LG02)
1179 1179  
1180 1180  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1249,7 +1249,7 @@
1249 1249  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1250 1250  
1251 1251  
1252 -1.
1154 +1.
1253 1253  11. How to change the LoRa Frequency Bands/Region?
1254 1254  
1255 1255  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1256,7 +1256,7 @@
1256 1256  
1257 1257  
1258 1258  
1259 -1.
1161 +1.
1260 1260  11. How many RS485-Slave can RS485-BL connects?
1261 1261  
1262 1262  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
... ... @@ -1273,7 +1273,7 @@
1273 1273  
1274 1274  
1275 1275  
1276 -1.
1178 +1.
1277 1277  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1278 1278  
1279 1279  It might about the channels mapping. Please see for detail.
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