Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 51.1 >
edited by Xiaoling
on 2022/06/02 17:35
To version < 38.3 >
edited by Xiaoling
on 2022/06/02 16:10
>
Change comment: There is no comment for this version

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... ... @@ -470,68 +470,110 @@
470 470  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.
471 471  
472 472  
473 -== 3.4 Uplink Payload ==
473 +1.
474 +11. Uplink Payload
474 474  
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" %)(((
476 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 +|Value|(((
478 478  Battery(mV)
479 479  
480 480  &
481 481  
482 482  Interrupt _Flag
483 -)))|(% style="width:116px" %)(((
483 +)))|(((
484 484  PAYLOAD_VER
485 485  
486 486  
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.
487 +)))|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.
488 488  
489 489  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490 490  
491 491  
492 -== 3.5 Configure RS485-BL via AT or Downlink ==
492 +function Decoder(bytes, port) {
493 493  
494 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
494 +~/~/Payload Formats of RS485-BL Deceive
495 495  
496 +return {
497 +
498 + ~/~/Battery,units:V
499 +
500 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
501 +
502 + ~/~/GPIO_EXTI 
503 +
504 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505 +
506 + ~/~/payload of version
507 +
508 + Pay_ver:bytes[2],
509 +
510 + };
511 +
512 + }
513 +
514 +
515 +
516 +
517 +
518 +
519 +
520 +TTN V3 uplink screen shot.
521 +
522 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523 +
524 +1.
525 +11. Configure RS485-BL via AT or Downlink
526 +
527 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
528 +
496 496  There are two kinds of Commands:
497 497  
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]]
531 +* **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
499 499  
500 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
533 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
501 501  
502 -=== 3.5.1 Common Commands ===
535 +1.
536 +11.
537 +111. Common Commands:
503 503  
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]]
539 +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]]
505 505  
506 506  
507 -=== 3.5.2 Sensor related commands ===
542 +1.
543 +11.
544 +111. Sensor related commands:
508 508  
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.
546 +==== Choose Device Type (RS485 or TTL) ====
510 510  
511 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
548 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
512 512  
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)
550 +* AT Command
514 514  
552 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
515 515  
516 -=== 3.5.3 Sensor related commands ===
554 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
517 517  
518 -==== ====
519 519  
520 -==== **RS485 Debug Command** ====
557 +* Downlink Payload
521 521  
522 -This command is used to configure the RS485 devices; they won’t be used during sampling.
559 +**0A aa**     à same as AT+MOD=aa
523 523  
524 -* **AT Command**
525 525  
526 -(% class="box infomessage" %)
527 -(((
528 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
529 -)))
530 530  
531 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
563 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
532 532  
533 -* **Downlink Payload**
565 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
534 534  
567 +* AT Command
568 +
569 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
570 +
571 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
572 +
573 +
574 +
575 +* Downlink Payload
576 +
535 535  Format: A8 MM NN XX XX XX XX YY
536 536  
537 537  Where:
... ... @@ -539,12 +539,9 @@
539 539  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
540 540  * NN: The length of RS485 command
541 541  * XX XX XX XX: RS485 command total NN bytes
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.
584 +* 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
546 546  
547 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
586 +**Example 1:**
548 548  
549 549  To connect a Modbus Alarm with below commands.
550 550  
... ... @@ -554,191 +554,184 @@
554 554  
555 555  So if user want to use downlink command to control to RS485 Alarm, he can use:
556 556  
557 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
596 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
558 558  
559 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
598 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
560 560  
561 561  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.
562 562  
563 563  
564 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
603 +**Example 2:**
565 565  
566 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
605 +Check TTL Sensor return:
567 567  
607 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
568 568  
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:
570 570  
571 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
572 572  
573 - [[image:1654159460680-153.png]]
574 574  
612 +==== Set Payload version ====
575 575  
576 -
577 -==== **Set Payload version** ====
578 -
579 579  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.
580 580  
581 -* **AT Command:**
616 +* AT Command:
582 582  
583 -(% class="box infomessage" %)
584 -(((
585 -**AT+PAYVER: Set PAYVER field = 1**
586 -)))
618 +AT+PAYVER: Set PAYVER field = 1
587 587  
588 -* **Downlink Payload:**
589 589  
590 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
621 +* Downlink Payload:
591 591  
592 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
623 +0xAE 01   à Set PAYVER field =  0x01
593 593  
625 +0xAE 0F   à Set PAYVER field =  0x0F
594 594  
595 595  
596 -==== **Set RS485 Sampling Commands** ====
628 +==== Set RS485 Sampling Commands ====
597 597  
598 -AT+COMMANDx or AT+DATACUTx
630 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
599 599  
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"]].
632 +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]].
601 601  
602 602  
603 -* **AT Command:**
635 +* AT Command:
604 604  
605 -(% class="box infomessage" %)
606 -(((
607 -**AT+COMMANDx: Configure RS485 read command to sensor.**
608 -)))
637 +AT+COMMANDx: Configure RS485 read command to sensor.
609 609  
610 -(% class="box infomessage" %)
611 -(((
612 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613 -)))
639 +AT+DATACUTx: Configure how to handle return from RS485 devices.
614 614  
641 +AT+SEARCHx: Configure search command
615 615  
616 -* **Downlink Payload:**
617 617  
618 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
644 +* Downlink Payload:
619 619  
620 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
646 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
621 621  
648 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
649 +
622 622  Format: AF MM NN LL XX XX XX XX YY
623 623  
624 624  Where:
625 625  
626 626  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
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
655 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656 +* LL: The length of AT+COMMAND or AT+DATACUT command
629 629  * XX XX XX XX: AT+COMMAND or AT+DATACUT 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.
658 +* 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.
631 631  
632 -**Example:**
660 +Example:
633 633  
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
662 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
635 635  
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**
664 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
637 637  
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**
666 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
639 639  
640 640  
669 +0xAB downlink command can be used for set AT+SEARCHx
641 641  
642 -==== **Fast command to handle MODBUS device** ====
671 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
643 643  
673 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674 +* 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
675 +
676 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
677 +
678 +
679 +==== Fast command to handle MODBUS device ====
680 +
644 644  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]].
645 645  
646 646  This command is valid since v1.3 firmware version
647 647  
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.
649 649  
686 +AT+MBFUN has only two value:
650 650  
651 -**Example:**
688 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
652 652  
653 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
654 -* 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.
655 -* 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.
690 +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.
656 656  
657 -[[image:image-20220602165351-6.png]]
692 +* AT+MBFUN=0: Disable Modbus fast reading.
658 658  
659 -[[image:image-20220602165351-7.png]]
694 +Example:
660 660  
696 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697 +* 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.
698 +* 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.
661 661  
700 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
662 662  
663 -==== **RS485 command timeout** ====
664 664  
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.
703 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
666 666  
667 -Default value: 0, range:  0 ~~ 65 seconds
668 668  
669 -* **AT Command:**
706 +* Downlink Commands:
670 670  
671 -(% class="box infomessage" %)
672 -(((
673 -**AT+CMDDLaa=hex(bb cc)*1000**
674 -)))
708 +A9 aa -à Same as AT+MBFUN=aa
675 675  
676 -**Example:**
677 677  
678 -**AT+CMDDL1=1000** to send the open time to 1000ms
711 +==== RS485 command timeout ====
679 679  
713 +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.
680 680  
681 -* **Downlink Payload:**
715 +Default value: 0, range:  0 ~~ 5 seconds
682 682  
683 -**0x AA aa bb cc**
684 684  
685 -Same as: AT+CMDDLaa=hex(bb cc)*1000
718 +* AT Command:
686 686  
687 - **Example:**
720 +AT+CMDDLaa=hex(bb cc)
688 688  
689 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
722 +Example:
690 690  
724 +**AT+CMDDL1=1000** to send the open time to 1000ms
691 691  
692 692  
693 -==== **Uplink payload mode** ====
727 +* Downlink Payload:
694 694  
695 -Define to use one uplink or multiple uplinks for the sampling.
729 +0x AA aa bb cc
696 696  
697 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
731 +Same as: AT+CMDDLaa=hex(bb cc)
698 698  
699 -* **AT Command:**
733 + Example:
700 700  
701 -(% class="box infomessage" %)
702 -(((
703 -**AT+DATAUP=0**
704 -)))
735 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
705 705  
706 -(% class="box infomessage" %)
707 -(((
708 -**AT+DATAUP=1**
709 -)))
710 710  
738 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
711 711  
712 -* **Downlink Payload:**
740 +Define to use one uplink or multiple uplinks for the sampling.
713 713  
714 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
742 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
715 715  
716 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
744 +* AT Command:
717 717  
746 +AT+DATAUP=0
718 718  
748 +AT+DATAUP=1
719 719  
720 -==== **Manually trigger an Uplink** ====
721 721  
722 -Ask device to send an uplink immediately.
751 +* Downlink Payload:
723 723  
724 -* **AT Command:**
753 +0xAD 00   à Same as AT+DATAUP=0
725 725  
726 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
755 +0xAD 01   à Same as AT+DATAUP=1
727 727  
728 728  
729 -* **Downlink Payload:**
758 +==== Manually trigger an Uplink ====
730 730  
731 -**0x08 FF**, RS485-LN will immediately send an uplink.
760 +Ask device to send an uplink immediately.
732 732  
762 +* Downlink Payload:
733 733  
734 -==== ====
764 +0x08 FF, RS485-BL will immediately send an uplink.
735 735  
736 -==== **Clear RS485 Command** ====
737 737  
767 +==== Clear RS485 Command ====
768 +
738 738  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
739 739  
740 -* **AT Command:**
741 741  
772 +* AT Command:
773 +
742 742  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
743 743  
744 744  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -746,50 +746,43 @@
746 746  Example screen shot after clear all RS485 commands. 
747 747  
748 748  
781 +
749 749  The uplink screen shot is:
750 750  
751 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
784 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
752 752  
753 753  
754 -* **Downlink Payload:**
787 +* Downlink Payload:
755 755  
756 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
789 +0x09 aa bb same as AT+CMDEAR=aa,bb
757 757  
758 758  
792 +==== Set Serial Communication Parameters ====
759 759  
760 -==== **Set Serial Communication Parameters** ====
761 -
762 762  Set the Rs485 serial communication parameters:
763 763  
764 -* **AT Command:**
796 +* AT Command:
765 765  
766 766  Set Baud Rate:
767 767  
768 -(% class="box infomessage" %)
769 -(((
770 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
771 -)))
800 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
772 772  
773 -Set UART Parity
774 774  
775 -(% class="box infomessage" %)
776 -(((
777 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
778 -)))
803 +Set UART parity
779 779  
805 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 +
807 +
780 780  Set STOPBIT
781 781  
782 -(% class="box infomessage" %)
783 -(((
784 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
785 -)))
810 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
786 786  
787 787  
788 -* **Downlink Payload:**
813 +* Downlink Payload:
789 789  
790 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
815 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
791 791  
792 -**Example:**
817 +Example:
793 793  
794 794  * A7 01 00 60   same as AT+BAUDR=9600
795 795  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -799,160 +799,180 @@
799 799  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
800 800  
801 801  
802 -== 3.6 Listening mode for RS485 network ==
827 +==== Control output power duration ====
803 803  
804 -This feature support since firmware v1.4
829 +User can set the output power duration before each sampling.
805 805  
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.
831 +* AT Command:
807 807  
808 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
833 +Example:
809 809  
810 -To enable the listening mode, use can run the command AT+RXMODE.
835 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
811 811  
837 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
812 812  
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)
819 819  
820 -**Downlink Command:**
840 +* LoRaWAN Downlink Command:
821 821  
822 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
842 +07 01 aa bb  Same as AT+5VT=(aa bb)
823 823  
844 +07 02 aa bb  Same as AT+3V3T=(aa bb)
824 824  
825 -**Example**:
826 826  
827 -The RS485-LN is set to AT+RXMODE=2,1000
828 828  
829 -There is a two Modbus commands in the RS485 network as below:
830 830  
831 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
849 +1.
850 +11. Buttons
832 832  
833 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
852 +|**Button**|**Feature**
853 +|**RST**|Reboot RS485-BL
834 834  
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
855 +1.
856 +11. +3V3 Output
836 836  
837 -[[image:image-20220602171200-9.png]]
858 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
838 838  
860 +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. 
839 839  
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.
841 841  
863 +The +3V3 output time can be controlled by AT Command.
842 842  
843 -== 3.7 Buttons ==
865 +**AT+3V3T=1000**
844 844  
867 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
845 845  
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]]
851 851  
852 -== 3.8 LEDs ==
870 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
853 853  
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.
858 858  
873 +1.
874 +11. +5V Output
859 859  
876 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
860 860  
861 -= 4. Case Study =
878 +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. 
862 862  
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]]
864 864  
881 +The 5V output time can be controlled by AT Command.
865 865  
866 -= 5. Use AT Command =
883 +**AT+5VT=1000**
867 867  
868 -== 5.1 Access AT Command ==
885 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
869 869  
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.
871 871  
872 -[[image:1654162355560-817.png]]
888 +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.
873 873  
874 874  
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:
876 876  
877 -[[image:1654162368066-342.png]]
878 878  
893 +1.
894 +11. LEDs
879 879  
880 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
896 +|**LEDs**|**Feature**
897 +|**LED1**|Blink when device transmit a packet.
881 881  
899 +1.
900 +11. Switch Jumper
882 882  
883 -== 5.2 Common AT Command Sequence ==
902 +|**Switch Jumper**|**Feature**
903 +|**SW1**|(((
904 +ISP position: Upgrade firmware via UART
884 884  
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**
906 +Flash position: Configure device, check running status.
892 892  )))
908 +|**SW2**|(((
909 +5V position: set to compatible with 5v I/O.
893 893  
894 -(% class="box infomessage" %)
895 -(((
896 -**AT+NJM=0**
911 +3.3v position: set to compatible with 3.3v I/O.,
897 897  )))
898 898  
899 -(% class="box infomessage" %)
900 -(((
901 -**ATZ**
902 -)))
914 ++3.3V: is always ON
903 903  
916 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
904 904  
905 -If device already joined network:
918 +1. Case Study
906 906  
907 -(% class="box infomessage" %)
908 -(((
909 -**AT+NJM=0**
910 -)))
920 +User can check this URL for some case studies.
911 911  
912 -(% class="box infomessage" %)
913 -(((
914 -**ATZ**
915 -)))
922 +[[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]]
916 916  
917 917  
918 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
919 919  
920 920  
921 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
927 +1. Use AT Command
928 +11. Access AT Command
922 922  
923 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
930 +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.
924 924  
925 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
932 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
926 926  
927 -(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
928 928  
929 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
935 +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:
930 930  
931 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
937 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
932 932  
933 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
934 934  
935 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
936 936  
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.
941 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
938 938  
939 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
940 940  
941 941  
942 -(% style="color:red" %)**Note:**
945 +1.
946 +11. Common AT Command Sequence
947 +111. Multi-channel ABP mode (Use with SX1301/LG308)
943 943  
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
949 +If device has not joined network yet:
948 948  
949 -[[image:1654136435598-589.png]]
951 +AT+FDR
950 950  
953 +AT+NJM=0
951 951  
952 -= 6. FAQ =
955 +ATZ
953 953  
954 -== 6.1 How to upgrade the image? ==
955 955  
958 +If device already joined network:
959 +
960 +AT+NJM=0
961 +
962 +ATZ
963 +
964 +1.
965 +11.
966 +111. Single-channel ABP mode (Use with LG01/LG02)
967 +
968 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
969 +
970 +AT+NJM=0 Set to ABP mode
971 +
972 +AT+ADR=0 Set the Adaptive Data Rate Off
973 +
974 +AT+DR=5  Set Data Rate
975 +
976 +AT+TDC=60000  Set transmit interval to 60 seconds
977 +
978 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
979 +
980 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
981 +
982 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
983 +
984 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
985 +
986 +ATZ          Reset MCU
987 +
988 +**Note:**
989 +
990 +1. Make sure the device is set to ABP mode in the IoT Server.
991 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992 +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.
993 +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
994 +
995 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
996 +
997 +
998 +1. FAQ
999 +11. How to upgrade the image?
1000 +
956 956  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
957 957  
958 958  * Support new features
... ... @@ -961,7 +961,7 @@
961 961  
962 962  Below shows the hardware connection for how to upload an image to RS485-BL:
963 963  
964 -[[image:1654136646995-976.png]]
1009 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
965 965  
966 966  **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]].
967 967  
... ... @@ -969,57 +969,97 @@
969 969  
970 970  **Step3: **Open flashloader; choose the correct COM port to update.
971 971  
972 -[[image:image-20220602102605-1.png]]
973 973  
1018 +|(((
1019 +HOLD PRO then press the RST button, SYS will be ON, then click next
1020 +)))
974 974  
975 -[[image:image-20220602102637-2.png]]
1022 +|(((
1023 +Board detected
1024 +)))
976 976  
1026 +|(((
1027 +
1028 +)))
977 977  
978 -[[image:image-20220602102715-3.png]]
1030 +[[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]]
979 979  
980 980  
981 981  
982 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1034 +[[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]]
983 983  
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.
985 985  
1037 +[[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]]
986 986  
987 987  
988 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1040 +1.
1041 +11. How to change the LoRa Frequency Bands/Region?
989 989  
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"]].
1043 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
991 991  
992 992  
993 993  
994 -= 7. Trouble Shooting =
1047 +1.
1048 +11. How many RS485-Slave can RS485-BL connects?
995 995  
1050 +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]].
996 996  
997 -== 7.1 Downlink doesn’t work, how to solve it? ==
998 998  
999 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1000 1000  
1001 1001  
1002 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1055 +1. Trouble Shooting     
1056 +11. Downlink doesn’t work, how to solve it?
1003 1003  
1004 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1058 +Please see this link for debug:
1005 1005  
1060 +[[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]] 
1006 1006  
1007 -= 8. Order Info =
1008 1008  
1009 -(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1010 1010  
1011 -(% style="color:blue" %)**XXX:**
1064 +1.
1065 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1012 1012  
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
1067 +It might about the channels mapping. Please see for detail.
1023 1023  
1024 -(% class="wikigeneratedid" %)
1025 -
1069 +[[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]]
1070 +
1071 +
1072 +
1073 +1. Order Info
1074 +
1075 +**Part Number: RS485-BL-XXX**
1076 +
1077 +**XXX:**
1078 +
1079 +* **EU433**: frequency bands EU433
1080 +* **EU868**: frequency bands EU868
1081 +* **KR920**: frequency bands KR920
1082 +* **CN470**: frequency bands CN470
1083 +* **AS923**: frequency bands AS923
1084 +* **AU915**: frequency bands AU915
1085 +* **US915**: frequency bands US915
1086 +* **IN865**: frequency bands IN865
1087 +* **RU864**: frequency bands RU864
1088 +* **KZ865: **frequency bands KZ865
1089 +
1090 +1. Packing Info
1091 +
1092 +**Package Includes**:
1093 +
1094 +* RS485-BL x 1
1095 +* Stick Antenna for LoRa RF part x 1
1096 +* Program cable x 1
1097 +
1098 +**Dimension and weight**:
1099 +
1100 +* Device Size: 13.5 x 7 x 3 cm
1101 +* Device Weight: 105g
1102 +* Package Size / pcs : 14.5 x 8 x 5 cm
1103 +* Weight / pcs : 170g
1104 +
1105 +1. Support
1106 +
1107 +* 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.
1108 +* 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
1109 +
1110 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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