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edited by Xiaoling
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edited by Xiaoling
on 2022/05/23 10:05
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Summary

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... ... @@ -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 ===
... ... @@ -336,9 +336,8 @@
336 336  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
337 337  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
338 338  
339 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
326 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
340 340  
341 -
342 342  === 3.3.3 Configure read commands for each sampling ===
343 343  
344 344  (((
... ... @@ -436,7 +436,7 @@
436 436  
437 437  **Examples:**
438 438  
439 -1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
425 +1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
440 440  
441 441  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
442 442  
... ... @@ -444,7 +444,7 @@
444 444  
445 445  [[image:1653271044481-711.png]]
446 446  
447 -2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
433 +1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
448 448  
449 449  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
450 450  
... ... @@ -452,10 +452,10 @@
452 452  
453 453  [[image:1653271276735-972.png]]
454 454  
441 +
455 455  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
456 456  
457 -(% style="background-color:#4f81bd; color:white; width:729px" %)
458 -|(% style="width:726px" %)(((
444 +|(((
459 459  **AT+DATACUTx=a,b,c**
460 460  
461 461  * **a: length for the return of AT+COMMAND**
... ... @@ -463,143 +463,98 @@
463 463  * **c: define the position for valid value.  **
464 464  )))
465 465  
466 -**Examples:**
452 +Examples:
467 467  
468 468  * Grab bytes:
469 469  
470 -[[image:1653271581490-837.png||height="313" width="722"]]
456 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
471 471  
472 -
473 473  * Grab a section.
474 474  
475 -[[image:1653271648378-342.png||height="326" width="720"]]
460 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
476 476  
477 -
478 478  * Grab different sections.
479 479  
480 -[[image:1653271657255-576.png||height="305" width="730"]]
464 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
481 481  
482 -(((
483 -(% style="color:red" %)**Note:**
484 -)))
485 485  
486 -(((
467 +Note:
468 +
487 487  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.
488 -)))
489 489  
490 -(((
491 -**Example:**
492 -)))
471 +Example:
493 493  
494 -(((
495 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
496 -)))
473 +AT+COMMAND1=11 01 1E D0,0
497 497  
498 -(((
499 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
500 -)))
475 +AT+SEARCH1=1,1E 56 34
501 501  
502 -(((
503 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
504 -)))
477 +AT+DATACUT1=0,2,1~~5
505 505  
506 -(((
507 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
508 -)))
479 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
509 509  
510 -(((
511 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
512 -)))
481 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
513 513  
514 -(((
515 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
516 -)))
483 +Valid payload after DataCUT command: 2e 30 58 5f 36
517 517  
518 -[[image:1653271763403-806.png]]
485 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
519 519  
520 520  
521 -=== 3.3.4 Compose the uplink payload ===
522 522  
523 -(((
489 +
490 +1.
491 +11.
492 +111. Compose the uplink payload
493 +
524 524  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.**
525 -)))
526 526  
527 -(((
528 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
529 -)))
530 530  
531 -(((
532 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
533 -)))
497 +**Examples: AT+DATAUP=0**
534 534  
535 -(((
499 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
500 +
536 536  Final Payload is
537 -)))
538 538  
539 -(((
540 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
541 -)))
503 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
542 542  
543 -(((
544 544  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
545 -)))
546 546  
547 -[[image:1653272787040-634.png||height="515" width="719"]]
507 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
548 548  
549 549  
550 550  
551 -(((
552 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
511 +**Examples: AT+DATAUP=1**
553 553  
554 -
555 -)))
513 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
556 556  
557 -(((
558 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
559 -)))
560 -
561 -(((
562 562  Final Payload is
563 -)))
564 564  
565 -(((
566 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
567 -)))
517 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
568 568  
569 -1. (((
570 -Battery Info (2 bytes): Battery voltage
571 -)))
572 -1. (((
573 -PAYVER (1 byte): Defined by AT+PAYVER
574 -)))
575 -1. (((
576 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
577 -)))
578 -1. (((
579 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
580 -)))
581 -1. (((
582 -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
583 -)))
519 +1. Battery Info (2 bytes): Battery voltage
520 +1. PAYVER (1 byte): Defined by AT+PAYVER
521 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
522 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
523 +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
584 584  
585 -[[image:1653272817147-600.png||height="437" width="717"]]
525 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
586 586  
527 +
587 587  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
588 588  
530 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
589 589  
590 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
532 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
591 591  
592 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
534 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
593 593  
594 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
595 595  
596 596  
597 597  Below are the uplink payloads:
598 598  
599 -[[image:1653272901032-107.png]]
540 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
600 600  
601 601  
602 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
543 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
603 603  
604 604   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
605 605  
... ... @@ -611,187 +611,139 @@
611 611  
612 612  
613 613  
614 -=== 3.3.5 Uplink on demand ===
555 +1.
556 +11.
557 +111. Uplink on demand
615 615  
616 -(((
617 617  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.
618 -)))
619 619  
620 -(((
621 621  Downlink control command:
622 -)))
623 623  
624 -(((
625 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
626 -)))
563 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
627 627  
628 -(((
629 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
565 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
630 630  
631 -
632 -)))
633 633  
634 -=== 3.3.6 Uplink on Interrupt ===
635 635  
636 -Put the interrupt sensor between 3.3v_out and GPIO ext.
569 +1.
570 +11.
571 +111. Uplink on Interrupt
637 637  
638 -[[image:1653273818896-432.png]]
573 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
639 639  
640 -
641 -(((
642 642  AT+INTMOD=0  Disable Interrupt
643 -)))
644 644  
645 -(((
646 646  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
647 -)))
648 648  
649 -(((
650 650  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
651 -)))
652 652  
653 -(((
654 654  AT+INTMOD=3  Interrupt trigger by rising edge.
655 655  
656 -
657 -)))
658 658  
659 -== 3.4 Uplink Payload ==
584 +1.
585 +11. Uplink Payload
660 660  
661 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
662 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
663 -|Value|(% style="width:130px" %)(((
664 -(((
587 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
588 +|Value|(((
665 665  Battery(mV)
666 -)))
667 667  
668 -(((
669 669  &
670 -)))
671 671  
672 -(((
673 673  Interrupt _Flag
674 -)))
675 -)))|(% style="width:93px" %)(((
594 +)))|(((
676 676  PAYLOAD_VER
677 677  
678 678  
679 -)))|(% 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.
598 +)))|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.
680 680  
681 681  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
682 682  
683 -(((
684 -{{{function Decoder(bytes, port) {}}}
685 -)))
686 686  
687 -(((
688 -{{{//Payload Formats of RS485-BL Deceive}}}
689 -)))
603 +function Decoder(bytes, port) {
690 690  
691 -(((
692 -{{{return {}}}
693 -)))
605 +~/~/Payload Formats of RS485-BL Deceive
694 694  
695 -(((
696 -{{{ //Battery,units:V}}}
697 -)))
607 +return {
698 698  
699 -(((
700 -{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}}
701 -)))
609 + ~/~/Battery,units:V
702 702  
703 -(((
704 -{{{ //GPIO_EXTI }}}
705 -)))
611 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
706 706  
707 -(((
708 -{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}}
709 -)))
613 + ~/~/GPIO_EXTI 
710 710  
711 -(((
712 -{{{ //payload of version}}}
713 -)))
615 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
714 714  
715 -(((
716 -{{{ Pay_ver:bytes[2],}}}
717 -)))
617 + ~/~/payload of version
718 718  
719 -(((
720 -{{{ }; }}}
721 -)))
619 + Pay_ver:bytes[2],
722 722  
723 -(((
724 -}
621 + };
725 725  
726 -
727 -)))
623 + }
728 728  
729 -(((
730 -TTN V3 uplink screen shot.
731 -)))
732 732  
733 -[[image:1653274001211-372.png||height="192" width="732"]]
734 734  
735 735  
736 -== 3.5 Configure RS485-BL via AT or Downlink ==
737 737  
738 -User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
739 739  
740 -There are two kinds of Commands:
741 741  
742 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, 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]]
631 +TTN V3 uplink screen shot.
743 743  
744 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
633 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
745 745  
635 +1.
636 +11. Configure RS485-BL via AT or Downlink
746 746  
747 -=== 3.5.1 Common Commands: ===
638 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
748 748  
749 -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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
640 +There are two kinds of Commands:
750 750  
642 +* **Common Commands**: They should be available for each sensor, 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
751 751  
752 -=== 3.5.2 Sensor related commands: ===
644 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
753 753  
754 -==== ====
646 +1.
647 +11.
648 +111. Common Commands:
755 755  
756 -==== **Choose Device Type (RS485 or TTL)** ====
650 +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]]
757 757  
652 +
653 +1.
654 +11.
655 +111. Sensor related commands:
656 +
657 +==== Choose Device Type (RS485 or TTL) ====
658 +
758 758  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
759 759  
760 -* **AT Command**
661 +* AT Command
761 761  
762 -(% class="box infomessage" %)
763 -(((
764 764  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
765 -)))
766 766  
767 -(% class="box infomessage" %)
768 -(((
769 769  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
770 -)))
771 771  
772 772  
773 -* **Downlink Payload**
668 +* Downlink Payload
774 774  
775 -**0A aa**  ~-~->  same as AT+MOD=aa
670 +**0A aa**     à same as AT+MOD=aa
776 776  
777 777  
778 778  
779 -==== **RS485 Debug Command (AT+CFGDEV)** ====
674 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
780 780  
781 781  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
782 782  
783 -* **AT Command**
678 +* AT Command
784 784  
785 -(% class="box infomessage" %)
786 -(((
787 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
788 -)))
680 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
789 789  
790 790  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
791 791  
792 792  
793 -* **Downlink Payload**
794 794  
686 +* Downlink Payload
687 +
795 795  Format: A8 MM NN XX XX XX XX YY
796 796  
797 797  Where:
... ... @@ -805,15 +805,15 @@
805 805  
806 806  To connect a Modbus Alarm with below commands.
807 807  
808 -* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
701 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
809 809  
810 -* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
703 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
811 811  
812 812  So if user want to use downlink command to control to RS485 Alarm, he can use:
813 813  
814 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
707 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
815 815  
816 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
709 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
817 817  
818 818  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
819 819  
... ... @@ -822,35 +822,32 @@
822 822  
823 823  Check TTL Sensor return:
824 824  
825 -[[image:1654132684752-193.png]]
718 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
826 826  
827 827  
828 828  
829 -==== **Set Payload version** ====
830 830  
723 +==== Set Payload version ====
724 +
831 831  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
832 832  
833 -* **AT Command:**
727 +* AT Command:
834 834  
835 -(% class="box infomessage" %)
836 -(((
837 -**AT+PAYVER: Set PAYVER field = 1**
838 -)))
729 +AT+PAYVER: Set PAYVER field = 1
839 839  
840 840  
841 -* **Downlink Payload:**
732 +* Downlink Payload:
842 842  
843 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
734 +0xAE 01   à Set PAYVER field =  0x01
844 844  
845 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
736 +0xAE 0F   à Set PAYVER field =  0x0F
846 846  
847 847  
739 +==== Set RS485 Sampling Commands ====
848 848  
849 -==== **Set RS485 Sampling Commands** ====
850 -
851 851  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
852 852  
853 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
743 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
854 854  
855 855  
856 856  * AT Command:
... ... @@ -1067,13 +1067,13 @@
1067 1067  
1068 1068  
1069 1069  
1070 -1.
960 +1.
1071 1071  11. Buttons
1072 1072  
1073 1073  |**Button**|**Feature**
1074 1074  |**RST**|Reboot RS485-BL
1075 1075  
1076 -1.
966 +1.
1077 1077  11. +3V3 Output
1078 1078  
1079 1079  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1091,7 +1091,7 @@
1091 1091  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1092 1092  
1093 1093  
1094 -1.
984 +1.
1095 1095  11. +5V Output
1096 1096  
1097 1097  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1111,13 +1111,13 @@
1111 1111  
1112 1112  
1113 1113  
1114 -1.
1004 +1.
1115 1115  11. LEDs
1116 1116  
1117 1117  |**LEDs**|**Feature**
1118 1118  |**LED1**|Blink when device transmit a packet.
1119 1119  
1120 -1.
1010 +1.
1121 1121  11. Switch Jumper
1122 1122  
1123 1123  |**Switch Jumper**|**Feature**
... ... @@ -1163,7 +1163,7 @@
1163 1163  
1164 1164  
1165 1165  
1166 -1.
1056 +1.
1167 1167  11. Common AT Command Sequence
1168 1168  111. Multi-channel ABP mode (Use with SX1301/LG308)
1169 1169  
... ... @@ -1182,8 +1182,8 @@
1182 1182  
1183 1183  ATZ
1184 1184  
1185 -1.
1186 -11.
1075 +1.
1076 +11.
1187 1187  111. Single-channel ABP mode (Use with LG01/LG02)
1188 1188  
1189 1189  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1258,7 +1258,7 @@
1258 1258  [[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]]
1259 1259  
1260 1260  
1261 -1.
1151 +1.
1262 1262  11. How to change the LoRa Frequency Bands/Region?
1263 1263  
1264 1264  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1265,7 +1265,7 @@
1265 1265  
1266 1266  
1267 1267  
1268 -1.
1158 +1.
1269 1269  11. How many RS485-Slave can RS485-BL connects?
1270 1270  
1271 1271  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]].
... ... @@ -1282,7 +1282,7 @@
1282 1282  
1283 1283  
1284 1284  
1285 -1.
1175 +1.
1286 1286  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1287 1287  
1288 1288  It might about the channels mapping. Please see for detail.
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