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Last modified by Xiaoling on 2025/04/23 15:57
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edited by Xiaoling
on 2022/06/01 18:00
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edited by Xiaoling
on 2022/05/23 10:43
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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 ==
... ... @@ -568,18 +568,21 @@
568 568  
569 569  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
570 570  
571 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
568 +DATA1=RETURN1 Valid Value = ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)20 20 0a 33 90 41
572 572  
573 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
570 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)02 aa 05 81 0a 20
574 574  
575 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
572 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%) 20 20 20 2d 30
576 576  
574 +
575 +
577 577  Below are the uplink payloads:
578 578  
579 -[[image:1653272901032-107.png]]
578 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
580 580  
581 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
582 582  
581 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
582 +
583 583   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
584 584  
585 585   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -588,121 +588,90 @@
588 588  
589 589   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
590 590  
591 -=== 3.3.5 Uplink on demand ===
592 592  
593 -(((
592 +
593 +1.
594 +11.
595 +111. Uplink on demand
596 +
594 594  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.
595 -)))
596 596  
597 -(((
598 598  Downlink control command:
599 -)))
600 600  
601 -(((
602 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
603 -)))
601 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
604 604  
605 -(((
606 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
607 -)))
603 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
608 608  
609 -=== 3.3.6 Uplink on Interrupt ===
610 610  
611 -Put the interrupt sensor between 3.3v_out and GPIO ext.
612 612  
613 -[[image:1653273818896-432.png]]
607 +1.
608 +11.
609 +111. Uplink on Interrupt
614 614  
615 -(((
611 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
612 +
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 -== 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 +1.
623 +11. Uplink Payload
624 +
625 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
626 +|Value|(((
637 637  Battery(mV)
638 -)))
639 639  
640 -(((
641 641  &
642 -)))
643 643  
644 -(((
645 645  Interrupt _Flag
646 -)))
647 -)))|(% style="width:93px" %)(((
632 +)))|(((
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.
636 +)))|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 -(((
640 +
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 -(((
663 +
664 +
665 +
666 +
667 +
668 +
700 700  TTN V3 uplink screen shot.
701 -)))
702 702  
703 -[[image:1653274001211-372.png||height="192" width="732"]]
671 +[[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 ==
673 +1.
674 +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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