Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 42.2 >
edited by Xiaoling
on 2022/06/02 16:44
To version < 45.1 >
edited by Xiaoling
on 2022/06/02 17:04
>
Change comment: Uploaded new attachment "1654160691922-496.png", version {1}

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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 -
503 503  === 3.5.1 Common Commands ===
504 504  
505 505  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]]
... ... @@ -545,7 +545,6 @@
545 545  ** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
546 546  ** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
547 547  
548 -
549 549  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
550 550  
551 551  To connect a Modbus Alarm with below commands.
... ... @@ -574,4 +574,242 @@
574 574  
575 575   [[image:1654159460680-153.png]]
576 576  
577 -==== ====
575 +
576 +
577 +==== **Set Payload version** ====
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 +
581 +* **AT Command:**
582 +
583 +(% class="box infomessage" %)
584 +(((
585 +**AT+PAYVER: Set PAYVER field = 1**
586 +)))
587 +
588 +* **Downlink Payload:**
589 +
590 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
591 +
592 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
593 +
594 +
595 +
596 +==== **Set RS485 Sampling Commands** ====
597 +
598 +AT+COMMANDx or AT+DATACUTx
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"]].
601 +
602 +
603 +* **AT Command:**
604 +
605 +(% class="box infomessage" %)
606 +(((
607 +**AT+COMMANDx: Configure RS485 read command to sensor.**
608 +)))
609 +
610 +(% class="box infomessage" %)
611 +(((
612 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613 +)))
614 +
615 +
616 +* **Downlink Payload:**
617 +
618 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
619 +
620 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
621 +
622 +Format: AF MM NN LL XX XX XX XX YY
623 +
624 +Where:
625 +
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
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.
631 +
632 +**Example:**
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
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**
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**
639 +
640 +
641 +
642 +==== **Fast command to handle MODBUS device** ====
643 +
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 +
646 +This command is valid since v1.3 firmware version
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 +
650 +
651 +**Example:**
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.
656 +
657 +[[image:image-20220602165351-6.png]]
658 +
659 +[[image:image-20220602165351-7.png]]
660 +
661 +
662 +
663 +==== **RS485 command timeout** ====
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.
666 +
667 +Default value: 0, range:  0 ~~ 65 seconds
668 +
669 +* **AT Command:**
670 +
671 +(% class="box infomessage" %)
672 +(((
673 +**AT+CMDDLaa=hex(bb cc)*1000**
674 +)))
675 +
676 +**Example:**
677 +
678 +**AT+CMDDL1=1000** to send the open time to 1000ms
679 +
680 +
681 +* **Downlink Payload:**
682 +
683 +**0x AA aa bb cc**
684 +
685 +Same as: AT+CMDDLaa=hex(bb cc)*1000
686 +
687 + **Example:**
688 +
689 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
690 +
691 +
692 +
693 +==== **Uplink payload mode** ====
694 +
695 +Define to use one uplink or multiple uplinks for the sampling.
696 +
697 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
698 +
699 +* **AT Command:**
700 +
701 +(% class="box infomessage" %)
702 +(((
703 +**AT+DATAUP=0**
704 +)))
705 +
706 +(% class="box infomessage" %)
707 +(((
708 +**AT+DATAUP=1**
709 +)))
710 +
711 +
712 +* **Downlink Payload:**
713 +
714 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
715 +
716 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
717 +
718 +
719 +
720 +==== **Manually trigger an Uplink** ====
721 +
722 +Ask device to send an uplink immediately.
723 +
724 +* **Downlink Payload:**
725 +
726 +**0x08 FF**, RS485-BL will immediately send an uplink.
727 +
728 +
729 +
730 +==== **Clear RS485 Command** ====
731 +
732 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
733 +
734 +
735 +* **AT Command:**
736 +
737 +(% 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
738 +
739 +Example screen shot after clear all RS485 commands. 
740 +
741 +
742 +The uplink screen shot is:
743 +
744 +[[image:1654134704555-320.png]]
745 +
746 +
747 +* **Downlink Payload:**
748 +
749 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
750 +
751 +
752 +
753 +==== **Set Serial Communication Parameters** ====
754 +
755 +Set the Rs485 serial communication parameters:
756 +
757 +* **AT Command:**
758 +
759 +Set Baud Rate:
760 +
761 +(% class="box infomessage" %)
762 +(((
763 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
764 +)))
765 +
766 +Set UART Parity
767 +
768 +(% class="box infomessage" %)
769 +(((
770 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +)))
772 +
773 +Set STOPBIT
774 +
775 +(% class="box infomessage" %)
776 +(((
777 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
778 +)))
779 +
780 +
781 +* **Downlink Payload:**
782 +
783 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
784 +
785 +**Example:**
786 +
787 +* A7 01 00 60   same as AT+BAUDR=9600
788 +* A7 01 04 80  same as AT+BAUDR=115200
789 +
790 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
791 +
792 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
793 +
794 +
795 +
796 +==== **Control output power duration** ====
797 +
798 +User can set the output power duration before each sampling.
799 +
800 +* **AT Command:**
801 +
802 +**Example:**
803 +
804 +**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
805 +
806 +**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
807 +
808 +
809 +* **LoRaWAN Downlink Command:**
810 +
811 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
812 +
813 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
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