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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.5
edited by Xiaoling
on 2022/06/01 18:00
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To version 28.2
edited by Xiaoling
on 2022/05/23 10:44
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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 ==
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612 612  
613 613  [[image:1653273818896-432.png]]
614 614  
615 -(((
616 616  AT+INTMOD=0  Disable Interrupt
617 -)))
618 618  
619 -(((
620 620  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
621 -)))
622 622  
623 -(((
624 624  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
625 -)))
626 626  
627 -(((
628 628  AT+INTMOD=3  Interrupt trigger by rising edge.
629 -)))
630 630  
631 631  == 3.4 Uplink Payload ==
632 632  
633 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
634 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
635 -|Value|(% style="width:130px" %)(((
636 -(((
622 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
623 +|Value|(((
637 637  Battery(mV)
638 -)))
639 639  
640 -(((
641 641  &
642 -)))
643 643  
644 -(((
645 645  Interrupt _Flag
646 -)))
647 -)))|(% style="width:93px" %)(((
629 +)))|(((
648 648  PAYLOAD_VER
649 649  
650 650  
651 -)))|(% 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.
633 +)))|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.
652 652  
653 653  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
654 654  
655 -(((
637 +
656 656  function Decoder(bytes, port) {
657 -)))
658 658  
659 -(((
660 660  ~/~/Payload Formats of RS485-BL Deceive
661 -)))
662 662  
663 -(((
664 664  return {
665 -)))
666 666  
667 -(((
668 668   ~/~/Battery,units:V
669 -)))
670 670  
671 -(((
672 672   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
673 -)))
674 674  
675 -(((
676 676   ~/~/GPIO_EXTI 
677 -)))
678 678  
679 -(((
680 680   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
681 -)))
682 682  
683 -(((
684 684   ~/~/payload of version
685 -)))
686 686  
687 -(((
688 688   Pay_ver:bytes[2],
689 -)))
690 690  
691 -(((
692 692   };
693 -)))
694 694  
695 -(((
696 696   }
697 -)))
698 698  
699 -(((
660 +
661 +
662 +
663 +
664 +
665 +
700 700  TTN V3 uplink screen shot.
701 -)))
702 702  
703 -[[image:1653274001211-372.png||height="192" width="732"]]
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
704 704  
705 -== 3.5 Configure RS485-BL via AT or Downlink ==
670 +1.
671 +11. Configure RS485-BL via AT or Downlink
706 706  
707 707  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
708 708  
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