Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 42.3 >
edited by Xiaoling
on 2022/06/02 16:47
To version < 42.2 >
edited by Xiaoling
on 2022/06/02 16:44
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... ... @@ -499,6 +499,7 @@
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 +
502 502  === 3.5.1 Common Commands ===
503 503  
504 504  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]]
... ... @@ -544,6 +544,7 @@
544 544  ** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
545 545  ** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
546 546  
548 +
547 547  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
548 548  
549 549  To connect a Modbus Alarm with below commands.
... ... @@ -572,271 +572,4 @@
572 572  
573 573   [[image:1654159460680-153.png]]
574 574  
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 -
589 -* **Downlink Payload:**
590 -
591 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
592 -
593 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
594 -
595 -
596 -
597 -==== **Set RS485 Sampling Commands** ====
598 -
599 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
600 -
601 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
602 -
603 -
604 -* **AT Command:**
605 -
606 -(% class="box infomessage" %)
607 -(((
608 -**AT+COMMANDx: Configure RS485 read command to sensor.**
609 -)))
610 -
611 -(% class="box infomessage" %)
612 -(((
613 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
614 -)))
615 -
616 -(% class="box infomessage" %)
617 -(((
618 -**AT+SEARCHx: Configure search command**
619 -)))
620 -
621 -
622 -* **Downlink Payload:**
623 -
624 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
625 -
626 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
627 -
628 -Format: AF MM NN LL XX XX XX XX YY
629 -
630 -Where:
631 -
632 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
633 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
634 -* LL:  The length of AT+COMMAND or AT+DATACUT command
635 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
636 -* 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.
637 -
638 -**Example:**
639 -
640 -(% 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
641 -
642 -(% 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**
643 -
644 -(% 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**
645 -
646 -
647 -**0xAB** downlink command can be used for set AT+SEARCHx
648 -
649 -**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
650 -
651 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
652 -* 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
653 -
654 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
655 -
656 -
657 -
658 -==== **Fast command to handle MODBUS device** ====
659 -
660 -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]].
661 -
662 -This command is valid since v1.3 firmware version
663 -
664 -
665 -**AT+MBFUN has only two value:**
666 -
667 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
668 -
669 -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.
670 -
671 -* **AT+MBFUN=0**: Disable Modbus fast reading.
672 -
673 -**Example:**
674 -
675 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
676 -* 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.
677 -* 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.
678 -
679 -[[image:1654133913295-597.png]]
680 -
681 -
682 -[[image:1654133954153-643.png]]
683 -
684 -
685 -* **Downlink Commands:**
686 -
687 -**A9 aa** ~-~-> Same as AT+MBFUN=aa
688 -
689 -
690 -
691 -==== **RS485 command timeout** ====
692 -
693 -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.
694 -
695 -Default value: 0, range:  0 ~~ 5 seconds
696 -
697 -
698 -* **AT Command:**
699 -
700 -(% class="box infomessage" %)
701 -(((
702 -**AT+CMDDLaa=hex(bb cc)**
703 -)))
704 -
705 -**Example:**
706 -
707 -**AT+CMDDL1=1000** to send the open time to 1000ms
708 -
709 -
710 -* **Downlink Payload:**
711 -
712 -0x AA aa bb cc
713 -
714 -Same as: AT+CMDDLaa=hex(bb cc)
715 -
716 - **Example:**
717 -
718 - **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
719 -
720 -
721 -
722 -==== **Uplink payload mode** ====
723 -
724 -Define to use one uplink or multiple uplinks for the sampling.
725 -
726 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
727 -
728 -* **AT Command:**
729 -
730 -(% class="box infomessage" %)
731 -(((
732 -**AT+DATAUP=0**
733 -)))
734 -
735 -(% class="box infomessage" %)
736 -(((
737 -**AT+DATAUP=1**
738 -)))
739 -
740 -
741 -* **Downlink Payload:**
742 -
743 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
744 -
745 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
746 -
747 -
748 -
749 -==== **Manually trigger an Uplink** ====
750 -
751 -Ask device to send an uplink immediately.
752 -
753 -* **Downlink Payload:**
754 -
755 -**0x08 FF**, RS485-BL will immediately send an uplink.
756 -
757 -
758 -
759 -==== **Clear RS485 Command** ====
760 -
761 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
762 -
763 -
764 -* **AT Command:**
765 -
766 -(% 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
767 -
768 -Example screen shot after clear all RS485 commands. 
769 -
770 -
771 -The uplink screen shot is:
772 -
773 -[[image:1654134704555-320.png]]
774 -
775 -
776 -* **Downlink Payload:**
777 -
778 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
779 -
780 -
781 -
782 -==== **Set Serial Communication Parameters** ====
783 -
784 -Set the Rs485 serial communication parameters:
785 -
786 -* **AT Command:**
787 -
788 -Set Baud Rate:
789 -
790 -(% class="box infomessage" %)
791 -(((
792 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
793 -)))
794 -
795 -Set UART Parity
796 -
797 -(% class="box infomessage" %)
798 -(((
799 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
800 -)))
801 -
802 -Set STOPBIT
803 -
804 -(% class="box infomessage" %)
805 -(((
806 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
807 -)))
808 -
809 -
810 -* **Downlink Payload:**
811 -
812 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
813 -
814 -**Example:**
815 -
816 -* A7 01 00 60   same as AT+BAUDR=9600
817 -* A7 01 04 80  same as AT+BAUDR=115200
818 -
819 -A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
820 -
821 -A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
822 -
823 -
824 -
825 -==== **Control output power duration** ====
826 -
827 -User can set the output power duration before each sampling.
828 -
829 -* **AT Command:**
830 -
831 -**Example:**
832 -
833 -**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
834 -
835 -**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
836 -
837 -
838 -* **LoRaWAN Downlink Command:**
839 -
840 -**07 01 aa bb**  Same as AT+5VT=(aa bb)
841 -
842 -**07 02 aa bb**  Same as AT+3V3T=(aa bb)
577 +==== ====

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