Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -895,9 +895,9 @@ 895 895 (% 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** 896 896 897 897 898 - **0xAB**downlink command can be used for set AT+SEARCHx898 +0xAB downlink command can be used for set AT+SEARCHx 899 899 900 - **Example:****AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So900 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 901 901 902 902 * AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 903 903 * 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 ... ... @@ -905,15 +905,14 @@ 905 905 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 906 906 907 907 908 +==== Fast command to handle MODBUS device ==== 908 908 909 -==== **Fast command to handle MODBUS device** ==== 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]]. 912 912 913 913 This command is valid since v1.3 firmware version 914 914 915 915 916 - **AT+MBFUN has only two value:**915 +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. 923 923 923 +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]]929 +[[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]]
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