Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 38.1 >
edited by Xiaoling
on 2022/06/02 16:09
To version < 47.3 >
edited by Xiaoling
on 2022/06/02 17:31
>
Change comment: There is no comment for this version

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... ... @@ -461,125 +461,77 @@
461 461  
462 462  
463 463  
464 -1.
465 -11.
466 -111. Uplink on Interrupt
464 +=== 3.3.6 Uplink on Interrupt ===
467 467  
468 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
466 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
469 469  
470 -AT+INTMOD=0  Disable Interrupt
468 +[[image:1654157342174-798.png]]
471 471  
472 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
470 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
473 473  
474 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
475 475  
476 -AT+INTMOD=3  Interrupt trigger by rising edge.
473 +== 3.4 Uplink Payload ==
477 477  
478 -
479 -1.
480 -11. Uplink Payload
481 -
482 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483 -|Value|(((
475 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 +|Value|(% style="width:120px" %)(((
484 484  Battery(mV)
485 485  
486 486  &
487 487  
488 488  Interrupt _Flag
489 -)))|(((
483 +)))|(% style="width:116px" %)(((
490 490  PAYLOAD_VER
491 491  
492 492  
493 -)))|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.
487 +)))|(% 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.
494 494  
495 495  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
496 496  
497 497  
498 -function Decoder(bytes, port) {
492 +== 3.5 Configure RS485-BL via AT or Downlink ==
499 499  
500 -~/~/Payload Formats of RS485-BL Deceive
494 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
501 501  
502 -return {
503 -
504 - ~/~/Battery,units:V
505 -
506 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
507 -
508 - ~/~/GPIO_EXTI 
509 -
510 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
511 -
512 - ~/~/payload of version
513 -
514 - Pay_ver:bytes[2],
515 -
516 - };
517 -
518 - }
519 -
520 -
521 -
522 -
523 -
524 -
525 -
526 -TTN V3 uplink screen shot.
527 -
528 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
529 -
530 -1.
531 -11. Configure RS485-BL via AT or Downlink
532 -
533 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
534 -
535 535  There are two kinds of Commands:
536 536  
537 -* **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
498 +* (% 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]]
538 538  
539 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
540 540  
541 -1.
542 -11.
543 -111. Common Commands:
502 +=== 3.5.1 Common Commands ===
544 544  
545 -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]]
504 +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]]
546 546  
547 547  
548 -1.
549 -11.
550 -111. Sensor related commands:
507 +=== 3.5.2 Sensor related commands ===
551 551  
552 -==== Choose Device Type (RS485 or TTL) ====
509 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
553 553  
554 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
511 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
555 555  
556 -* AT Command
513 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
557 557  
558 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
559 559  
560 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
516 +=== 3.5.3 Sensor related commands ===
561 561  
518 +==== ====
562 562  
563 -* Downlink Payload
520 +==== **RS485 Debug Command** ====
564 564  
565 -**0A aa**     à same as AT+MOD=aa
522 +This command is used to configure the RS485 devices; they won’t be used during sampling.
566 566  
524 +* **AT Command**
567 567  
526 +(% class="box infomessage" %)
527 +(((
528 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
529 +)))
568 568  
569 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
531 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
570 570  
571 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
533 +* **Downlink Payload**
572 572  
573 -* AT Command
574 -
575 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
576 -
577 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
578 -
579 -
580 -
581 -* Downlink Payload
582 -
583 583  Format: A8 MM NN XX XX XX XX YY
584 584  
585 585  Where:
... ... @@ -587,9 +587,12 @@
587 587  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
588 588  * NN: The length of RS485 command
589 589  * XX XX XX XX: RS485 command total NN bytes
590 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
542 +* YY: How many bytes will be uplink from the return of this RS485 command,
543 +** if YY=0, RS485-LN will execute the downlink command without uplink;
544 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
545 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
591 591  
592 -**Example 1:**
547 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
593 593  
594 594  To connect a Modbus Alarm with below commands.
595 595  
... ... @@ -599,184 +599,191 @@
599 599  
600 600  So if user want to use downlink command to control to RS485 Alarm, he can use:
601 601  
602 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
557 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
603 603  
604 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
559 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
605 605  
606 606  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.
607 607  
608 608  
609 -**Example 2:**
564 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
610 610  
611 -Check TTL Sensor return:
566 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
612 612  
613 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
614 614  
569 +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:
615 615  
571 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
616 616  
573 + [[image:1654159460680-153.png]]
617 617  
618 -==== Set Payload version ====
619 619  
620 -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.
621 621  
622 -* AT Command:
577 +==== **Set Payload version** ====
623 623  
624 -AT+PAYVER: Set PAYVER field = 1
579 +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.
625 625  
581 +* **AT Command:**
626 626  
627 -* Downlink Payload:
583 +(% class="box infomessage" %)
584 +(((
585 +**AT+PAYVER: Set PAYVER field = 1**
586 +)))
628 628  
629 -0xAE 01   à Set PAYVER field =  0x01
588 +* **Downlink Payload:**
630 630  
631 -0xAE 0F   à Set PAYVER field =  0x0F
590 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
632 632  
592 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
633 633  
634 -==== Set RS485 Sampling Commands ====
635 635  
636 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
637 637  
638 -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]].
596 +==== **Set RS485 Sampling Commands** ====
639 639  
598 +AT+COMMANDx or AT+DATACUTx
640 640  
641 -* AT Command:
600 +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"]].
642 642  
643 -AT+COMMANDx: Configure RS485 read command to sensor.
644 644  
645 -AT+DATACUTx: Configure how to handle return from RS485 devices.
603 +* **AT Command:**
646 646  
647 -AT+SEARCHx: Configure search command
605 +(% class="box infomessage" %)
606 +(((
607 +**AT+COMMANDx: Configure RS485 read command to sensor.**
608 +)))
648 648  
610 +(% class="box infomessage" %)
611 +(((
612 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613 +)))
649 649  
650 -* Downlink Payload:
651 651  
652 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
616 +* **Downlink Payload:**
653 653  
654 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
618 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
655 655  
620 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
621 +
656 656  Format: AF MM NN LL XX XX XX XX YY
657 657  
658 658  Where:
659 659  
660 660  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
661 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662 -* LL: The length of AT+COMMAND or AT+DATACUT command
627 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
628 +* LL:  The length of AT+COMMAND or AT+DATACUT command
663 663  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
664 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
630 +* 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.
665 665  
666 -Example:
632 +**Example:**
667 667  
668 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
634 +(% 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
669 669  
670 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
636 +(% 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**
671 671  
672 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
638 +(% 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**
673 673  
674 674  
675 -0xAB downlink command can be used for set AT+SEARCHx
676 676  
677 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
642 +==== **Fast command to handle MODBUS device** ====
678 678  
679 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
681 -
682 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
683 -
684 -
685 -==== Fast command to handle MODBUS device ====
686 -
687 687  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]].
688 688  
689 689  This command is valid since v1.3 firmware version
690 690  
648 +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.
691 691  
692 -AT+MBFUN has only two value:
693 693  
694 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
651 +**Example:**
695 695  
696 -AT+MBFUN=1, device 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.
697 -
698 -* AT+MBFUN=0: Disable Modbus fast reading.
699 -
700 -Example:
701 -
702 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
653 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
703 703  * 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.
704 704  * 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.
705 705  
706 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
657 +[[image:image-20220602165351-6.png]]
707 707  
659 +[[image:image-20220602165351-7.png]]
708 708  
709 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
710 710  
711 711  
712 -* Downlink Commands:
663 +==== **RS485 command timeout** ====
713 713  
714 -A9 aa -à Same as AT+MBFUN=aa
665 +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.
715 715  
667 +Default value: 0, range:  0 ~~ 65 seconds
716 716  
717 -==== RS485 command timeout ====
669 +* **AT Command:**
718 718  
719 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
671 +(% class="box infomessage" %)
672 +(((
673 +**AT+CMDDLaa=hex(bb cc)*1000**
674 +)))
720 720  
721 -Default value: 0, range:  0 ~~ 5 seconds
676 +**Example:**
722 722  
678 +**AT+CMDDL1=1000** to send the open time to 1000ms
723 723  
724 -* AT Command:
725 725  
726 -AT+CMDDLaa=hex(bb cc)
681 +* **Downlink Payload:**
727 727  
728 -Example:
683 +**0x AA aa bb cc**
729 729  
730 -**AT+CMDDL1=1000** to send the open time to 1000ms
685 +Same as: AT+CMDDLaa=hex(bb cc)*1000
731 731  
687 + **Example:**
732 732  
733 -* Downlink Payload:
689 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
734 734  
735 -0x AA aa bb cc
736 736  
737 -Same as: AT+CMDDLaa=hex(bb cc)
738 738  
739 - Example:
693 +==== **Uplink payload mode** ====
740 740  
741 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
695 +Define to use one uplink or multiple uplinks for the sampling.
742 742  
697 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
743 743  
744 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
699 +* **AT Command:**
745 745  
746 -Define to use one uplink or multiple uplinks for the sampling.
701 +(% class="box infomessage" %)
702 +(((
703 +**AT+DATAUP=0**
704 +)))
747 747  
748 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
706 +(% class="box infomessage" %)
707 +(((
708 +**AT+DATAUP=1**
709 +)))
749 749  
750 -* AT Command:
751 751  
752 -AT+DATAUP=0
712 +* **Downlink Payload:**
753 753  
754 -AT+DATAUP=1
714 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
755 755  
716 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
756 756  
757 -* Downlink Payload:
758 758  
759 -0xAD 00   à Same as AT+DATAUP=0
760 760  
761 -0xAD 01   à Same as AT+DATAUP=1
720 +==== **Manually trigger an Uplink** ====
762 762  
722 +Ask device to send an uplink immediately.
763 763  
764 -==== Manually trigger an Uplink ====
724 +* **AT Command:**
765 765  
766 -Ask device to send an uplink immediately.
726 +No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
767 767  
768 -* Downlink Payload:
769 769  
770 -0x08 FF, RS485-BL will immediately send an uplink.
729 +* **Downlink Payload:**
771 771  
731 +**0x08 FF**, RS485-LN will immediately send an uplink.
772 772  
773 -==== Clear RS485 Command ====
774 774  
775 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
734 +==== ====
776 776  
736 +==== **Clear RS485 Command** ====
777 777  
778 -* AT Command:
738 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
779 779  
740 +* **AT Command:**
741 +
780 780  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
781 781  
782 782  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -784,43 +784,50 @@
784 784  Example screen shot after clear all RS485 commands. 
785 785  
786 786  
787 -
788 788  The uplink screen shot is:
789 789  
790 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
751 +[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
791 791  
792 792  
793 -* Downlink Payload:
754 +* **Downlink Payload:**
794 794  
795 -0x09 aa bb same as AT+CMDEAR=aa,bb
756 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
796 796  
797 797  
798 -==== Set Serial Communication Parameters ====
799 799  
760 +==== **Set Serial Communication Parameters** ====
761 +
800 800  Set the Rs485 serial communication parameters:
801 801  
802 -* AT Command:
764 +* **AT Command:**
803 803  
804 804  Set Baud Rate:
805 805  
806 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
768 +(% class="box infomessage" %)
769 +(((
770 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
771 +)))
807 807  
773 +Set UART Parity
808 808  
809 -Set UART parity
775 +(% class="box infomessage" %)
776 +(((
777 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
778 +)))
810 810  
811 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 -
813 -
814 814  Set STOPBIT
815 815  
816 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
782 +(% class="box infomessage" %)
783 +(((
784 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
785 +)))
817 817  
818 818  
819 -* Downlink Payload:
788 +* **Downlink Payload:**
820 820  
821 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
790 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
822 822  
823 -Example:
792 +**Example:**
824 824  
825 825  * A7 01 00 60   same as AT+BAUDR=9600
826 826  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -830,180 +830,160 @@
830 830  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
831 831  
832 832  
833 -==== Control output power duration ====
802 +== 3.6 Listening mode for RS485 network ==
834 834  
835 -User can set the output power duration before each sampling.
804 +This feature support since firmware v1.4
836 836  
837 -* AT Command:
806 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
838 838  
839 -Example:
808 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
840 840  
841 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
810 +To enable the listening mode, use can run the command AT+RXMODE.
842 842  
843 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
844 844  
813 +(% border="1" style="background-color:#ffffcc; width:500px" %)
814 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
815 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
816 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
817 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
818 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
845 845  
846 -* LoRaWAN Downlink Command:
820 +**Downlink Command:**
847 847  
848 -07 01 aa bb  Same as AT+5VT=(aa bb)
822 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
849 849  
850 -07 02 aa bb  Same as AT+3V3T=(aa bb)
851 851  
825 +**Example**:
852 852  
827 +The RS485-LN is set to AT+RXMODE=2,1000
853 853  
829 +There is a two Modbus commands in the RS485 network as below:
854 854  
855 -1.
856 -11. Buttons
831 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
857 857  
858 -|**Button**|**Feature**
859 -|**RST**|Reboot RS485-BL
833 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
860 860  
861 -1.
862 -11. +3V3 Output
835 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
863 863  
864 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
837 +[[image:image-20220602171200-9.png]]
865 865  
866 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
867 867  
840 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
868 868  
869 -The +3V3 output time can be controlled by AT Command.
870 870  
871 -**AT+3V3T=1000**
843 +== 3.7 Buttons ==
872 872  
873 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
874 874  
846 +(% border="1" style="background-color:#f7faff; width:500px" %)
847 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
848 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
849 +|**RST**|(% style="width:1420px" %)Reboot RS485
850 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
875 875  
876 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
852 +== 3.8 LEDs ==
877 877  
854 +(% border="1" style="background-color:#f7faff; width:500px" %)
855 +|=**LEDs**|=**Feature**
856 +|**PWR**|Always on if there is power
857 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
878 878  
879 -1.
880 -11. +5V Output
881 881  
882 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
883 883  
884 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
861 += 4. Case Study =
885 885  
863 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
886 886  
887 -The 5V output time can be controlled by AT Command.
888 888  
889 -**AT+5VT=1000**
866 += 5. Use AT Command =
890 890  
891 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
868 +== 5.1 Access AT Command ==
892 892  
870 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
893 893  
894 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
872 +[[image:1654135840598-282.png]]
895 895  
896 896  
875 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
897 897  
877 +[[image:1654136105500-922.png]]
898 898  
899 -1.
900 -11. LEDs
901 901  
902 -|**LEDs**|**Feature**
903 -|**LED1**|Blink when device transmit a packet.
880 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
904 904  
905 -1.
906 -11. Switch Jumper
907 907  
908 -|**Switch Jumper**|**Feature**
909 -|**SW1**|(((
910 -ISP position: Upgrade firmware via UART
883 +== 5.2 Common AT Command Sequence ==
911 911  
912 -Flash position: Configure device, check running status.
885 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
886 +
887 +If device has not joined network yet:
888 +
889 +(% class="box infomessage" %)
890 +(((
891 +**AT+FDR**
913 913  )))
914 -|**SW2**|(((
915 -5V position: set to compatible with 5v I/O.
916 916  
917 -3.3v position: set to compatible with 3.3v I/O.,
894 +(% class="box infomessage" %)
895 +(((
896 +**AT+NJM=0**
918 918  )))
919 919  
920 -+3.3V: is always ON
899 +(% class="box infomessage" %)
900 +(((
901 +**ATZ**
902 +)))
921 921  
922 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
923 923  
924 -1. Case Study
905 +If device already joined network:
925 925  
926 -User can check this URL for some case studies.
907 +(% class="box infomessage" %)
908 +(((
909 +**AT+NJM=0**
910 +)))
927 927  
928 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
912 +(% class="box infomessage" %)
913 +(((
914 +**ATZ**
915 +)))
929 929  
930 930  
918 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
931 931  
932 932  
933 -1. Use AT Command
934 -11. Access AT Command
921 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
935 935  
936 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
923 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
937 937  
938 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
925 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
939 939  
927 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
940 940  
941 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
929 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
942 942  
943 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
931 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
944 944  
933 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
945 945  
935 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
946 946  
947 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
937 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
948 948  
939 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
949 949  
950 950  
951 -1.
952 -11. Common AT Command Sequence
953 -111. Multi-channel ABP mode (Use with SX1301/LG308)
942 +(% style="color:red" %)**Note:**
954 954  
955 -If device has not joined network yet:
944 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
945 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
946 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
947 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
956 956  
957 -AT+FDR
949 +[[image:1654136435598-589.png]]
958 958  
959 -AT+NJM=0
960 960  
961 -ATZ
952 += 6. FAQ =
962 962  
954 +== 6.1 How to upgrade the image? ==
963 963  
964 -If device already joined network:
965 -
966 -AT+NJM=0
967 -
968 -ATZ
969 -
970 -1.
971 -11.
972 -111. Single-channel ABP mode (Use with LG01/LG02)
973 -
974 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
975 -
976 -AT+NJM=0 Set to ABP mode
977 -
978 -AT+ADR=0 Set the Adaptive Data Rate Off
979 -
980 -AT+DR=5  Set Data Rate
981 -
982 -AT+TDC=60000  Set transmit interval to 60 seconds
983 -
984 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
985 -
986 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
987 -
988 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
989 -
990 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
991 -
992 -ATZ          Reset MCU
993 -
994 -**Note:**
995 -
996 -1. Make sure the device is set to ABP mode in the IoT Server.
997 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
999 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1000 -
1001 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1002 -
1003 -
1004 -1. FAQ
1005 -11. How to upgrade the image?
1006 -
1007 1007  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1008 1008  
1009 1009  * Support new features
... ... @@ -1012,7 +1012,7 @@
1012 1012  
1013 1013  Below shows the hardware connection for how to upload an image to RS485-BL:
1014 1014  
1015 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
964 +[[image:1654136646995-976.png]]
1016 1016  
1017 1017  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1018 1018  
... ... @@ -1020,97 +1020,57 @@
1020 1020  
1021 1021  **Step3: **Open flashloader; choose the correct COM port to update.
1022 1022  
972 +[[image:image-20220602102605-1.png]]
1023 1023  
1024 -|(((
1025 -HOLD PRO then press the RST button, SYS will be ON, then click next
1026 -)))
1027 1027  
1028 -|(((
1029 -Board detected
1030 -)))
975 +[[image:image-20220602102637-2.png]]
1031 1031  
1032 -|(((
1033 -
1034 -)))
1035 1035  
1036 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
978 +[[image:image-20220602102715-3.png]]
1037 1037  
1038 1038  
1039 1039  
1040 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
982 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1041 1041  
984 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1042 1042  
1043 -[[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]]
1044 1044  
1045 1045  
1046 -1.
1047 -11. How to change the LoRa Frequency Bands/Region?
988 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1048 1048  
1049 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
990 +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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1050 1050  
1051 1051  
1052 1052  
1053 -1.
1054 -11. How many RS485-Slave can RS485-BL connects?
994 += 7. Trouble Shooting =
1055 1055  
1056 -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]].
1057 1057  
997 +== 7.1 Downlink doesn’t work, how to solve it? ==
1058 1058  
999 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1059 1059  
1060 1060  
1061 -1. Trouble Shooting     
1062 -11. Downlink doesn’t work, how to solve it?
1002 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1063 1063  
1064 -Please see this link for debug:
1004 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1065 1065  
1066 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1067 1067  
1007 += 8. Order Info =
1068 1068  
1009 +(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1069 1069  
1070 -1.
1071 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1011 +(% style="color:blue" %)**XXX:**
1072 1072  
1073 -It might about the channels mapping. Please see for detail.
1013 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1014 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1015 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1016 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1017 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1018 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1019 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1020 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1021 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1022 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1074 1074  
1075 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1076 -
1077 -
1078 -
1079 -1. Order Info
1080 -
1081 -**Part Number: RS485-BL-XXX**
1082 -
1083 -**XXX:**
1084 -
1085 -* **EU433**: frequency bands EU433
1086 -* **EU868**: frequency bands EU868
1087 -* **KR920**: frequency bands KR920
1088 -* **CN470**: frequency bands CN470
1089 -* **AS923**: frequency bands AS923
1090 -* **AU915**: frequency bands AU915
1091 -* **US915**: frequency bands US915
1092 -* **IN865**: frequency bands IN865
1093 -* **RU864**: frequency bands RU864
1094 -* **KZ865: **frequency bands KZ865
1095 -
1096 -1. Packing Info
1097 -
1098 -**Package Includes**:
1099 -
1100 -* RS485-BL x 1
1101 -* Stick Antenna for LoRa RF part x 1
1102 -* Program cable x 1
1103 -
1104 -**Dimension and weight**:
1105 -
1106 -* Device Size: 13.5 x 7 x 3 cm
1107 -* Device Weight: 105g
1108 -* Package Size / pcs : 14.5 x 8 x 5 cm
1109 -* Weight / pcs : 170g
1110 -
1111 -1. Support
1112 -
1113 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1114 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1115 -
1116 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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