Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.48 >
edited by Xiaoling
on 2022/06/06 11:01
To version < 58.10 >
edited by Xiaoling
on 2022/06/06 11:22
>
Change comment: There is no comment for this version

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... ... @@ -327,6 +327,8 @@
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 +
331 +
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
332 332  (((
... ... @@ -499,33 +499,35 @@
499 499  
500 500  == 3.4 Uplink Payload ==
501 501  
502 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
503 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
504 -|Value|(% style="width:120px" %)(((
505 -Battery(mV)
506 506  
507 -&
505 +[[image:image-20220606110929-1.png]]
508 508  
509 -Interrupt _Flag
510 -)))|(% style="width:116px" %)(((
511 -PAYLOAD_VER
512 -
513 -
514 -)))|(% 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.
515 -
516 516  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
517 517  
518 518  
519 519  == 3.5 Configure RS485-BL via AT or Downlink ==
520 520  
512 +(((
521 521  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
522 522  
516 +(((
523 523  There are two kinds of Commands:
518 +)))
524 524  
525 -* (% 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 +)))
526 526  
527 -* (% 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 +)))
528 528  
528 +(((
529 +
530 +)))
531 +
532 +
529 529  === 3.5.1 Common Commands ===
530 530  
531 531  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]]
... ... @@ -544,142 +544,282 @@
544 544  
545 545  
546 546  
551 +
547 547  ==== **RS485 Debug Command** ====
548 548  
554 +(((
549 549  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
550 550  
551 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
552 552  
553 553  (% class="box infomessage" %)
554 554  (((
564 +(((
555 555  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
556 556  )))
567 +)))
557 557  
569 +(((
558 558  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
559 559  
560 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
561 561  
577 +(((
562 562  Format: A8 MM NN XX XX XX XX YY
579 +)))
563 563  
581 +(((
564 564  Where:
583 +)))
565 565  
566 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
567 -* NN: The length of RS485 command
568 -* XX XX XX XX: RS485 command total NN bytes
569 -* YY: How many bytes will be uplink from the return of this RS485 command,
570 -** if YY=0, RS485-LN will execute the downlink command without uplink;
571 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
572 -** 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 +)))
573 573  
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 +(((
574 574  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
575 575  
614 +(((
576 576  To connect a Modbus Alarm with below commands.
616 +)))
577 577  
578 -* 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 +)))
579 579  
580 -* 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 +)))
581 581  
626 +(((
582 582  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
583 583  
630 +(((
584 584  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
585 585  
634 +(((
586 586  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
587 587  
638 +(((
588 588  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 +)))
589 589  
642 +(((
643 +
644 +)))
590 590  
646 +(((
591 591  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
592 592  
650 +(((
593 593  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
594 594  
654 +(((
655 +
656 +)))
595 595  
658 +(((
596 596  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 +)))
597 597  
662 +(((
598 598   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
599 599  
666 +(((
600 600   [[image:1654159460680-153.png]]
668 +)))
601 601  
602 602  
603 603  
672 +
604 604  ==== **Set Payload version** ====
605 605  
675 +(((
606 606  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 +)))
607 607  
608 -* **AT Command:**
679 +* (((
680 +**AT Command:**
681 +)))
609 609  
610 610  (% class="box infomessage" %)
611 611  (((
685 +(((
612 612  **AT+PAYVER: Set PAYVER field = 1**
613 613  )))
688 +)))
614 614  
615 -* **Downlink Payload:**
690 +* (((
691 +**Downlink Payload:**
692 +)))
616 616  
694 +(((
617 617  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
618 618  
698 +(((
619 619  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
620 620  
621 621  
622 622  
704 +
623 623  ==== **Set RS485 Sampling Commands** ====
624 624  
707 +(((
625 625  AT+COMMANDx or AT+DATACUTx
709 +)))
626 626  
711 +(((
627 627  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 +)))
628 628  
715 +(((
716 +
717 +)))
629 629  
630 -* **AT Command:**
719 +* (((
720 +**AT Command:**
721 +)))
631 631  
632 632  (% class="box infomessage" %)
633 633  (((
725 +(((
634 634  **AT+COMMANDx: Configure RS485 read command to sensor.**
635 635  )))
728 +)))
636 636  
637 637  (% class="box infomessage" %)
638 638  (((
732 +(((
639 639  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
640 640  )))
735 +)))
641 641  
737 +(((
738 +
739 +)))
642 642  
643 -* **Downlink Payload:**
741 +* (((
742 +**Downlink Payload:**
743 +)))
644 644  
745 +(((
645 645  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
646 646  
749 +(((
647 647  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 +)))
648 648  
753 +(((
649 649  Format: AF MM NN LL XX XX XX XX YY
755 +)))
650 650  
757 +(((
651 651  Where:
759 +)))
652 652  
653 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
654 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
655 -* LL:  The length of AT+COMMAND or AT+DATACUT command
656 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
657 -* 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 +)))
658 658  
777 +(((
659 659  **Example:**
779 +)))
660 660  
781 +(((
661 661  (% 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 +)))
662 662  
785 +(((
663 663  (% 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 +)))
664 664  
789 +(((
665 665  (% 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 +)))
666 666  
667 667  
668 668  
795 +
669 669  ==== **Fast command to handle MODBUS device** ====
670 670  
798 +(((
671 671  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 +)))
672 672  
802 +(((
673 673  This command is valid since v1.3 firmware version
804 +)))
674 674  
806 +(((
675 675  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 +)))
676 676  
810 +(((
811 +
812 +)))
677 677  
814 +(((
678 678  **Example:**
816 +)))
679 679  
680 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
681 -* 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.
682 -* 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 +)))
683 683  
684 684  [[image:image-20220602165351-6.png]]
685 685  
... ... @@ -689,31 +689,56 @@
689 689  
690 690  ==== **RS485 command timeout** ====
691 691  
836 +(((
692 692  Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
838 +)))
693 693  
840 +(((
694 694  Default value: 0, range:  0 ~~ 65 seconds
842 +)))
695 695  
696 -* **AT Command:**
844 +* (((
845 +**AT Command:**
846 +)))
697 697  
698 698  (% class="box infomessage" %)
699 699  (((
850 +(((
700 700  **AT+CMDDLaa=hex(bb cc)*1000**
701 701  )))
853 +)))
702 702  
855 +(((
703 703  **Example:**
857 +)))
704 704  
859 +(((
705 705  **AT+CMDDL1=1000** to send the open time to 1000ms
861 +)))
706 706  
863 +(((
864 +
865 +)))
707 707  
708 -* **Downlink Payload:**
867 +* (((
868 +**Downlink Payload:**
869 +)))
709 709  
871 +(((
710 710  **0x AA aa bb cc**
873 +)))
711 711  
875 +(((
712 712  Same as: AT+CMDDLaa=hex(bb cc)*1000
877 +)))
713 713  
879 +(((
714 714   **Example:**
881 +)))
715 715  
883 +(((
716 716   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
885 +)))
717 717  
718 718  
719 719  
image-20220606110929-1.png
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