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Last modified by Xiaoling on 2025/04/23 15:57
From version 30.2
edited by Xiaoling
on 2022/06/02 09:18
Change comment: There is no comment for this version
To version 29.39
edited by Xiaoling
on 2022/06/02 09:02
Change comment: There is no comment for this version

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316 316  )))
317 317  )))
318 318  
319 +
319 319  === 3.3.2 Configure sensors ===
320 320  
321 321  (((
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721 721  )))
722 722  
723 723  (((
724 -}
725 +{{{ }}}}
725 725  
726 726  
727 727  )))
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735 735  
736 736  == 3.5 Configure RS485-BL via AT or Downlink ==
737 737  
738 -User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
739 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
739 739  
740 740  There are two kinds of Commands:
741 741  
742 -* (% 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]]
743 +* **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
743 743  
744 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
745 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
745 745  
747 +1.
748 +11.
749 +111. Common Commands:
746 746  
751 +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]]
747 747  
748 -=== 3.5.1 Common Commands: ===
749 749  
750 -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]]
754 +1.
755 +11.
756 +111. Sensor related commands:
751 751  
758 +==== Choose Device Type (RS485 or TTL) ====
752 752  
753 -=== 3.5.2 Sensor related commands: ===
754 -
755 -==== ====
756 -
757 -==== **Choose Device Type (RS485 or TTL)** ====
758 -
759 759  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
760 760  
761 -* **AT Command**
762 +* AT Command
762 762  
763 763  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
764 764  
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765 765  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
766 766  
767 767  
768 -* **Downlink Payload**
769 +* Downlink Payload
769 769  
770 -**0A aa**  ~-~->  same as AT+MOD=aa
771 +**0A aa**     à same as AT+MOD=aa
771 771  
772 772  
773 773  
774 -==== **RS485 Debug Command (AT+CFGDEV)** ====
775 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
775 775  
776 776  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
777 777  
778 -* **AT Command**
779 +* AT Command
779 779  
780 780  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
781 781  
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782 782  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
783 783  
784 784  
785 -* **Downlink Payload**
786 786  
787 +* Downlink Payload
788 +
787 787  Format: A8 MM NN XX XX XX XX YY
788 788  
789 789  Where:
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797 797  
798 798  To connect a Modbus Alarm with below commands.
799 799  
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.
802 +* 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.
801 801  
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.
804 +* 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.
803 803  
804 804  So if user want to use downlink command to control to RS485 Alarm, he can use:
805 805  
806 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
808 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
807 807  
808 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
810 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
809 809  
810 810  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.
811 811  
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814 814  
815 815  Check TTL Sensor return:
816 816  
817 -[[image:1654132684752-193.png]]
819 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
818 818  
819 819  
820 820  
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