Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -906,7 +906,7 @@ 906 906 907 907 908 908 909 -==== **Fast command to handle MODBUS device**====909 +==== Fast command to handle MODBUS device ==== 910 910 911 911 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]]. 912 912 ... ... @@ -913,7 +913,7 @@ 913 913 This command is valid since v1.3 firmware version 914 914 915 915 916 - **AT+MBFUN has only two value:**916 +AT+MBFUN has only two value: 917 917 918 918 * AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 919 919 ... ... @@ -921,14 +921,13 @@ 921 921 922 922 * AT+MBFUN=0: Disable Modbus fast reading. 923 923 924 +Example: 924 924 925 -**Example:** 926 - 927 927 * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 928 928 * 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. 929 929 * 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. 930 930 931 -[[image: 1654133913295-597.png]]930 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 932 932 933 933 934 934 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]