<
From version < 40.1 >
edited by Xiaoling
on 2022/06/02 16:33
To version < 45.2 >
edited by Xiaoling
on 2022/06/02 17:04
>
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... ... @@ -499,46 +499,39 @@
499 499  
500 500  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
501 501  
502 -
503 -
504 504  === 3.5.1 Common Commands ===
505 505  
506 506  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]]
507 507  
508 508  
509 -=== 3.5.2 Sensor related commands: ===
507 +=== 3.5.2 Sensor related commands ===
510 510  
511 -==== 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.
512 512  
513 -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"]]
514 514  
515 -* 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)
516 516  
517 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
518 518  
519 -**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 ===
520 520  
518 +==== ====
521 521  
522 -* Downlink Payload
520 +==== **RS485 Debug Command** ====
523 523  
524 -**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.
525 525  
524 +* **AT Command**
526 526  
526 +(% class="box infomessage" %)
527 +(((
528 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
529 +)))
527 527  
528 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
531 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
529 529  
530 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
533 +* **Downlink Payload**
531 531  
532 -* AT Command
533 -
534 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
535 -
536 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 -
538 -
539 -
540 -* Downlink Payload
541 -
542 542  Format: A8 MM NN XX XX XX XX YY
543 543  
544 544  Where:
... ... @@ -546,9 +546,12 @@
546 546  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 547  * NN: The length of RS485 command
548 548  * XX XX XX XX: RS485 command total NN bytes
549 -* 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.
550 550  
551 -**Example 1:**
547 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
552 552  
553 553  To connect a Modbus Alarm with below commands.
554 554  
... ... @@ -558,195 +558,202 @@
558 558  
559 559  So if user want to use downlink command to control to RS485 Alarm, he can use:
560 560  
561 -**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
562 562  
563 -**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
564 564  
565 565  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.
566 566  
567 567  
568 -**Example 2:**
564 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
569 569  
570 -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**
571 571  
572 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
573 573  
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:
574 574  
571 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
575 575  
573 + [[image:1654159460680-153.png]]
576 576  
577 -==== Set Payload version ====
578 578  
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:
577 +==== **Set Payload version** ====
582 582  
583 -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.
584 584  
581 +* **AT Command:**
585 585  
586 -* Downlink Payload:
583 +(% class="box infomessage" %)
584 +(((
585 +**AT+PAYVER: Set PAYVER field = 1**
586 +)))
587 587  
588 -0xAE 01   à Set PAYVER field =  0x01
588 +* **Downlink Payload:**
589 589  
590 -0xAE 0F   à Set PAYVER field =  0x0F
590 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
591 591  
592 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
592 592  
593 -==== Set RS485 Sampling Commands ====
594 594  
595 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
596 596  
597 -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** ====
598 598  
598 +AT+COMMANDx or AT+DATACUTx
599 599  
600 -* 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"]].
601 601  
602 -AT+COMMANDx: Configure RS485 read command to sensor.
603 603  
604 -AT+DATACUTx: Configure how to handle return from RS485 devices.
603 +* **AT Command:**
605 605  
606 -AT+SEARCHx: Configure search command
605 +(% class="box infomessage" %)
606 +(((
607 +**AT+COMMANDx: Configure RS485 read command to sensor.**
608 +)))
607 607  
610 +(% class="box infomessage" %)
611 +(((
612 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613 +)))
608 608  
609 -* Downlink Payload:
610 610  
611 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
616 +* **Downlink Payload:**
612 612  
613 -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.
614 614  
620 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
621 +
615 615  Format: AF MM NN LL XX XX XX XX YY
616 616  
617 617  Where:
618 618  
619 619  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
620 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 -* 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
622 622  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
623 -* 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.
624 624  
625 -Example:
632 +**Example:**
626 626  
627 -**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
628 628  
629 -**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**
630 630  
631 -**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**
632 632  
633 633  
634 -0xAB downlink command can be used for set AT+SEARCHx
635 635  
636 -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** ====
637 637  
638 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 -* 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
640 -
641 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
642 -
643 -
644 -==== Fast command to handle MODBUS device ====
645 -
646 646  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]].
647 647  
648 648  This command is valid since v1.3 firmware version
649 649  
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.
650 650  
651 -AT+MBFUN has only two value:
652 652  
653 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
651 +**Example:**
654 654  
655 -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 -
657 -* AT+MBFUN=0: Disable Modbus fast reading.
658 -
659 -Example:
660 -
661 -* 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.
662 662  * 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.
663 663  * 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.
664 664  
665 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
657 +[[image:image-20220602165351-6.png]]
666 666  
659 +[[image:image-20220602165351-7.png]]
667 667  
668 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
669 669  
670 670  
671 -* Downlink Commands:
663 +==== **RS485 command timeout** ====
672 672  
673 -A9 aa 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.
674 674  
667 +Default value: 0, range:  0 ~~ 65 seconds
675 675  
676 -==== RS485 command timeout ====
669 +* **AT Command:**
677 677  
678 -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 +)))
679 679  
680 -Default value: 0, range:  0 ~~ 5 seconds
676 +**Example:**
681 681  
678 +**AT+CMDDL1=1000** to send the open time to 1000ms
682 682  
683 -* AT Command:
684 684  
685 -AT+CMDDLaa=hex(bb cc)
681 +* **Downlink Payload:**
686 686  
687 -Example:
683 +**0x AA aa bb cc**
688 688  
689 -**AT+CMDDL1=1000** to send the open time to 1000ms
685 +Same as: AT+CMDDLaa=hex(bb cc)*1000
690 690  
687 + **Example:**
691 691  
692 -* Downlink Payload:
689 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
693 693  
694 -0x AA aa bb cc
695 695  
696 -Same as: AT+CMDDLaa=hex(bb cc)
697 697  
698 - Example:
693 +==== **Uplink payload mode** ====
699 699  
700 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
695 +Define to use one uplink or multiple uplinks for the sampling.
701 701  
697 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
702 702  
703 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
699 +* **AT Command:**
704 704  
705 -Define to use one uplink or multiple uplinks for the sampling.
701 +(% class="box infomessage" %)
702 +(((
703 +**AT+DATAUP=0**
704 +)))
706 706  
707 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
706 +(% class="box infomessage" %)
707 +(((
708 +**AT+DATAUP=1**
709 +)))
708 708  
709 -* AT Command:
710 710  
711 -AT+DATAUP=0
712 +* **Downlink Payload:**
712 712  
713 -AT+DATAUP=1
714 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
714 714  
716 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
715 715  
716 -* Downlink Payload:
717 717  
718 -0xAD 00   à Same as AT+DATAUP=0
719 719  
720 -0xAD 01   à Same as AT+DATAUP=1
720 +==== **Manually trigger an Uplink** ====
721 721  
722 +Ask device to send an uplink immediately.
722 722  
723 -==== Manually trigger an Uplink ====
724 +* **AT Command:**
724 724  
725 -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.
726 726  
727 -* Downlink Payload:
728 728  
729 -0x08 FF, RS485-BL will immediately send an uplink.
729 +* **Downlink Payload:**
730 730  
731 +**0x08 FF**, RS485-LN will immediately send an uplink.
731 731  
732 -==== Clear RS485 Command ====
733 733  
734 +==== ====
735 +
736 +==== **Clear RS485 Command** ====
737 +
734 734  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
735 735  
736 736  
737 -* AT Command:
741 +* **AT Command:**
738 738  
739 739  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
740 740  
741 741  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
742 742  
743 -Example screen shot after clear all RS485 commands. 
747 +Example screen shot after clear all RS485 commands.
744 744  
745 745  
746 -
747 747  The uplink screen shot is:
748 748  
749 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
752 +[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
750 750  
751 751  
752 752  * Downlink Payload:
... ... @@ -754,322 +754,87 @@
754 754  0x09 aa bb same as AT+CMDEAR=aa,bb
755 755  
756 756  
757 -==== Set Serial Communication Parameters ====
760 +==== **Clear RS485 Command** ====
758 758  
759 -Set the Rs485 serial communication parameters:
762 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
760 760  
761 -* AT Command:
762 762  
763 -Set Baud Rate:
765 +* **AT Command:**
764 764  
765 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
767 +(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
766 766  
769 +Example screen shot after clear all RS485 commands. 
767 767  
768 -Set UART parity
769 769  
770 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
772 +The uplink screen shot is:
771 771  
774 +[[image:1654134704555-320.png]]
772 772  
773 -Set STOPBIT
774 774  
775 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
777 +* **Downlink Payload:**
776 776  
779 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
777 777  
778 -* Downlink Payload:
779 779  
780 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
781 781  
782 -Example:
783 +==== **Set Serial Communication Parameters** ====
783 783  
784 -* A7 01 00 60   same as AT+BAUDR=9600
785 -* A7 01 04 80  same as AT+BAUDR=115200
785 +Set the Rs485 serial communication parameters:
786 786  
787 -A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
787 +* **AT Command:**
788 788  
789 -A7 03 aa: Same as  AT+STOPBIT=a (aa value: 00 , 01 or 02)
789 +Set Baud Rate:
790 790  
791 -
792 -==== Control output power duration ====
793 -
794 -User can set the output power duration before each sampling.
795 -
796 -* AT Command:
797 -
798 -Example:
799 -
800 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
801 -
802 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
803 -
804 -
805 -* LoRaWAN Downlink Command:
806 -
807 -07 01 aa bb  Same as AT+5VT=(aa bb)
808 -
809 -07 02 aa bb  Same as AT+3V3T=(aa bb)
810 -
811 -
812 -
813 -
814 -1.
815 -11. Buttons
816 -
817 -|**Button**|**Feature**
818 -|**RST**|Reboot RS485-BL
819 -
820 -1.
821 -11. +3V3 Output
822 -
823 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
824 -
825 -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. 
826 -
827 -
828 -The +3V3 output time can be controlled by AT Command.
829 -
830 -**AT+3V3T=1000**
831 -
832 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
833 -
834 -
835 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
836 -
837 -
838 -1.
839 -11. +5V Output
840 -
841 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
842 -
843 -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. 
844 -
845 -
846 -The 5V output time can be controlled by AT Command.
847 -
848 -**AT+5VT=1000**
849 -
850 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
851 -
852 -
853 -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.
854 -
855 -
856 -
857 -
858 -1.
859 -11. LEDs
860 -
861 -|**LEDs**|**Feature**
862 -|**LED1**|Blink when device transmit a packet.
863 -
864 -1.
865 -11. Switch Jumper
866 -
867 -|**Switch Jumper**|**Feature**
868 -|**SW1**|(((
869 -ISP position: Upgrade firmware via UART
870 -
871 -Flash position: Configure device, check running status.
791 +(% class="box infomessage" %)
792 +(((
793 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
872 872  )))
873 -|**SW2**|(((
874 -5V position: set to compatible with 5v I/O.
875 875  
876 -3.3v position: set to compatible with 3.3v I/O.,
877 -)))
796 +Set UART Parity
878 878  
879 -+3.3V: is always ON
880 -
881 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
882 -
883 -1. Case Study
884 -
885 -User can check this URL for some case studies.
886 -
887 -[[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]]
888 -
889 -
890 -
891 -
892 -1. Use AT Command
893 -11. Access AT Command
894 -
895 -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.
896 -
897 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
898 -
899 -
900 -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:
901 -
902 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
903 -
904 -
905 -
906 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
907 -
908 -
909 -
910 -1.
911 -11. Common AT Command Sequence
912 -111. Multi-channel ABP mode (Use with SX1301/LG308)
913 -
914 -If device has not joined network yet:
915 -
916 -AT+FDR
917 -
918 -AT+NJM=0
919 -
920 -ATZ
921 -
922 -
923 -If device already joined network:
924 -
925 -AT+NJM=0
926 -
927 -ATZ
928 -
929 -1.
930 -11.
931 -111. Single-channel ABP mode (Use with LG01/LG02)
932 -
933 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
934 -
935 -AT+NJM=0 Set to ABP mode
936 -
937 -AT+ADR=0 Set the Adaptive Data Rate Off
938 -
939 -AT+DR=5  Set Data Rate
940 -
941 -AT+TDC=60000  Set transmit interval to 60 seconds
942 -
943 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
944 -
945 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
946 -
947 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
948 -
949 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
950 -
951 -ATZ          Reset MCU
952 -
953 -**Note:**
954 -
955 -1. Make sure the device is set to ABP mode in the IoT Server.
956 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 -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.
958 -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
959 -
960 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
961 -
962 -
963 -1. FAQ
964 -11. How to upgrade the image?
965 -
966 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
967 -
968 -* Support new features
969 -* For bug fix
970 -* Change LoRaWAN bands.
971 -
972 -Below shows the hardware connection for how to upload an image to RS485-BL:
973 -
974 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
975 -
976 -**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]].
977 -
978 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
979 -
980 -**Step3: **Open flashloader; choose the correct COM port to update.
981 -
982 -
983 -|(((
984 -HOLD PRO then press the RST button, SYS will be ON, then click next
798 +(% class="box infomessage" %)
799 +(((
800 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
985 985  )))
986 986  
987 -|(((
988 -Board detected
989 -)))
803 +Set STOPBIT
990 990  
991 -|(((
992 -
805 +(% class="box infomessage" %)
806 +(((
807 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
993 993  )))
994 994  
995 -[[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]]
996 996  
811 +* **Downlink Payload:**
997 997  
813 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
998 998  
999 -[[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]]
815 +**Example:**
1000 1000  
817 +* A7 01 00 60   same as AT+BAUDR=9600
818 +* A7 01 04 80  same as AT+BAUDR=115200
1001 1001  
1002 -[[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]]
820 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1003 1003  
822 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1004 1004  
1005 -1.
1006 -11. How to change the LoRa Frequency Bands/Region?
1007 1007  
1008 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1009 1009  
826 +==== **Control output power duration** ====
1010 1010  
828 +User can set the output power duration before each sampling.
1011 1011  
1012 -1.
1013 -11. How many RS485-Slave can RS485-BL connects?
830 +* **AT Command:**
1014 1014  
1015 -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]].
832 +**Example:**
1016 1016  
834 +**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1017 1017  
836 +**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1018 1018  
1019 1019  
1020 -1. Trouble Shooting     
1021 -11. Downlink doesn’t work, how to solve it?
839 +* **LoRaWAN Downlink Command:**
1022 1022  
1023 -Please see this link for debug:
841 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1024 1024  
1025 -[[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]] 
1026 -
1027 -
1028 -
1029 -1.
1030 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1031 -
1032 -It might about the channels mapping. Please see for detail.
1033 -
1034 -[[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]]
1035 -
1036 -
1037 -
1038 -1. Order Info
1039 -
1040 -**Part Number: RS485-BL-XXX**
1041 -
1042 -**XXX:**
1043 -
1044 -* **EU433**: frequency bands EU433
1045 -* **EU868**: frequency bands EU868
1046 -* **KR920**: frequency bands KR920
1047 -* **CN470**: frequency bands CN470
1048 -* **AS923**: frequency bands AS923
1049 -* **AU915**: frequency bands AU915
1050 -* **US915**: frequency bands US915
1051 -* **IN865**: frequency bands IN865
1052 -* **RU864**: frequency bands RU864
1053 -* **KZ865: **frequency bands KZ865
1054 -
1055 -1. Packing Info
1056 -
1057 -**Package Includes**:
1058 -
1059 -* RS485-BL x 1
1060 -* Stick Antenna for LoRa RF part x 1
1061 -* Program cable x 1
1062 -
1063 -**Dimension and weight**:
1064 -
1065 -* Device Size: 13.5 x 7 x 3 cm
1066 -* Device Weight: 105g
1067 -* Package Size / pcs : 14.5 x 8 x 5 cm
1068 -* Weight / pcs : 170g
1069 -
1070 -1. Support
1071 -
1072 -* 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.
1073 -* 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
1074 -
1075 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
843 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
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