Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.1 >
edited by Xiaoling
on 2022/06/06 11:09
To version < 58.9 >
edited by Xiaoling
on 2022/06/06 11:22
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... ... @@ -501,33 +501,35 @@
501 501  
502 502  == 3.4 Uplink Payload ==
503 503  
504 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
505 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
506 -|Value|(% style="width:120px" %)(((
507 -Battery(mV)
508 508  
509 -&
505 +[[image:image-20220606110929-1.png]]
510 510  
511 -Interrupt _Flag
512 -)))|(% style="width:116px" %)(((
513 -PAYLOAD_VER
514 -
515 -
516 -)))|(% style="width:386px" %)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.
517 -
518 518  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
519 519  
520 520  
521 521  == 3.5 Configure RS485-BL via AT or Downlink ==
522 522  
512 +(((
523 523  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
524 524  
516 +(((
525 525  There are two kinds of Commands:
518 +)))
526 526  
527 -* (% 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: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
520 +* (((
521 +(% 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: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
522 +)))
528 528  
529 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
524 +* (((
525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 +)))
530 530  
528 +(((
529 +
530 +)))
531 +
532 +
531 531  === 3.5.1 Common Commands ===
532 532  
533 533  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]]
... ... @@ -546,142 +546,282 @@
546 546  
547 547  
548 548  
551 +
549 549  ==== **RS485 Debug Command** ====
550 550  
554 +(((
551 551  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
552 552  
553 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
554 554  
555 555  (% class="box infomessage" %)
556 556  (((
564 +(((
557 557  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
558 558  )))
567 +)))
559 559  
569 +(((
560 560  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
561 561  
562 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
563 563  
577 +(((
564 564  Format: A8 MM NN XX XX XX XX YY
579 +)))
565 565  
581 +(((
566 566  Where:
583 +)))
567 567  
568 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
569 -* NN: The length of RS485 command
570 -* XX XX XX XX: RS485 command total NN bytes
571 -* YY: How many bytes will be uplink from the return of this RS485 command,
572 -** if YY=0, RS485-LN will execute the downlink command without uplink;
573 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
574 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
585 +* (((
586 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 +)))
588 +* (((
589 +NN: The length of RS485 command
590 +)))
591 +* (((
592 +XX XX XX XX: RS485 command total NN bytes
593 +)))
594 +* (((
595 +(((
596 +YY: How many bytes will be uplink from the return of this RS485 command,
597 +)))
575 575  
599 +* (((
600 +if YY=0, RS485-LN will execute the downlink command without uplink;
601 +)))
602 +* (((
603 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
604 +)))
605 +* (((
606 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
607 +)))
608 +)))
609 +
610 +(((
576 576  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
577 577  
614 +(((
578 578  To connect a Modbus Alarm with below commands.
616 +)))
579 579  
580 -* 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.
618 +* (((
619 +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.
620 +)))
581 581  
582 -* 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.
622 +* (((
623 +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.
624 +)))
583 583  
626 +(((
584 584  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
585 585  
630 +(((
586 586  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
587 587  
634 +(((
588 588  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
589 589  
638 +(((
590 590  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.
640 +)))
591 591  
642 +(((
643 +
644 +)))
592 592  
646 +(((
593 593  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
594 594  
650 +(((
595 595  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
596 596  
654 +(((
655 +
656 +)))
597 597  
658 +(((
598 598  RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
660 +)))
599 599  
662 +(((
600 600   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
601 601  
666 +(((
602 602   [[image:1654159460680-153.png]]
668 +)))
603 603  
604 604  
605 605  
672 +
606 606  ==== **Set Payload version** ====
607 607  
675 +(((
608 608  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.
677 +)))
609 609  
610 -* **AT Command:**
679 +* (((
680 +**AT Command:**
681 +)))
611 611  
612 612  (% class="box infomessage" %)
613 613  (((
685 +(((
614 614  **AT+PAYVER: Set PAYVER field = 1**
615 615  )))
688 +)))
616 616  
617 -* **Downlink Payload:**
690 +* (((
691 +**Downlink Payload:**
692 +)))
618 618  
694 +(((
619 619  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
620 620  
698 +(((
621 621  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
622 622  
623 623  
624 624  
704 +
625 625  ==== **Set RS485 Sampling Commands** ====
626 626  
707 +(((
627 627  AT+COMMANDx or AT+DATACUTx
709 +)))
628 628  
711 +(((
629 629  These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
713 +)))
630 630  
715 +(((
716 +
717 +)))
631 631  
632 -* **AT Command:**
719 +* (((
720 +**AT Command:**
721 +)))
633 633  
634 634  (% class="box infomessage" %)
635 635  (((
725 +(((
636 636  **AT+COMMANDx: Configure RS485 read command to sensor.**
637 637  )))
728 +)))
638 638  
639 639  (% class="box infomessage" %)
640 640  (((
732 +(((
641 641  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
642 642  )))
735 +)))
643 643  
737 +(((
738 +
739 +)))
644 644  
645 -* **Downlink Payload:**
741 +* (((
742 +**Downlink Payload:**
743 +)))
646 646  
745 +(((
647 647  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
648 648  
749 +(((
649 649  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 +)))
650 650  
753 +(((
651 651  Format: AF MM NN LL XX XX XX XX YY
755 +)))
652 652  
757 +(((
653 653  Where:
759 +)))
654 654  
655 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
656 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
657 -* LL:  The length of AT+COMMAND or AT+DATACUT command
658 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
659 -* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
761 +* (((
762 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
763 +)))
764 +* (((
765 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
766 +)))
767 +* (((
768 +LL:  The length of AT+COMMAND or AT+DATACUT command
769 +)))
770 +* (((
771 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 +)))
773 +* (((
774 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
775 +)))
660 660  
777 +(((
661 661  **Example:**
779 +)))
662 662  
781 +(((
663 663  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
783 +)))
664 664  
785 +(((
665 665  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
787 +)))
666 666  
789 +(((
667 667  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
791 +)))
668 668  
669 669  
670 670  
795 +
671 671  ==== **Fast command to handle MODBUS device** ====
672 672  
798 +(((
673 673  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
800 +)))
674 674  
802 +(((
675 675  This command is valid since v1.3 firmware version
804 +)))
676 676  
806 +(((
677 677  AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
808 +)))
678 678  
810 +(((
811 +
812 +)))
679 679  
814 +(((
680 680  **Example:**
816 +)))
681 681  
682 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
683 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
684 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
818 +* (((
819 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
820 +)))
821 +* (((
822 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
823 +)))
824 +* (((
825 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
826 +)))
685 685  
686 686  [[image:image-20220602165351-6.png]]
687 687  

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