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Last modified by Xiaoling on 2025/04/23 15:57
From version 30.6
edited by Xiaoling
on 2022/06/02 09:26
Change comment: There is no comment for this version
To version 29.43
edited by Xiaoling
on 2022/06/02 09:15
Change comment: There is no comment for this version

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751 751  
752 752  === 3.5.2 Sensor related commands: ===
753 753  
754 +(% class="wikigeneratedid" %)
754 754  ==== ====
755 755  
756 756  ==== **Choose Device Type (RS485 or TTL)** ====
... ... @@ -759,15 +759,9 @@
759 759  
760 760  * **AT Command**
761 761  
762 -(% class="box infomessage" %)
763 -(((
764 764  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
765 -)))
766 766  
767 -(% class="box infomessage" %)
768 -(((
769 769  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
770 -)))
771 771  
772 772  
773 773  * **Downlink Payload**
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782 782  
783 783  * **AT Command**
784 784  
785 -(% class="box infomessage" %)
786 -(((
787 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
788 -)))
780 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
789 789  
790 790  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
791 791  
... ... @@ -805,15 +805,15 @@
805 805  
806 806  To connect a Modbus Alarm with below commands.
807 807  
808 -* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
800 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
809 809  
810 -* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
802 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
811 811  
812 812  So if user want to use downlink command to control to RS485 Alarm, he can use:
813 813  
814 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
806 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
815 815  
816 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
808 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
817 817  
818 818  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.
819 819  
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822 822  
823 823  Check TTL Sensor return:
824 824  
825 -[[image:1654132684752-193.png]]
817 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
826 826  
827 827  
828 828  
829 -==== **Set Payload version** ====
830 830  
822 +==== Set Payload version ====
823 +
831 831  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.
832 832  
833 -* **AT Command:**
826 +* AT Command:
834 834  
835 -(% class="box infomessage" %)
836 -(((
837 -**AT+PAYVER: Set PAYVER field = 1**
838 -)))
828 +AT+PAYVER: Set PAYVER field = 1
839 839  
840 840  
841 -* **Downlink Payload:**
831 +* Downlink Payload:
842 842  
843 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
833 +0xAE 01   à Set PAYVER field =  0x01
844 844  
845 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
835 +0xAE 0F   à Set PAYVER field =  0x0F
846 846  
847 847  
838 +==== Set RS485 Sampling Commands ====
848 848  
849 -==== **Set RS485 Sampling Commands** ====
850 -
851 851  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
852 852  
853 -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"]].
842 +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]].
854 854  
855 855  
856 856  * AT Command:
1654132684752-193.png
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