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Last modified by Xiaoling on 2025/04/23 15:57
From version 31.2
edited by Xiaoling
on 2022/06/02 09:38
Change comment: There is no comment for this version
To version 32.5
edited by Xiaoling
on 2022/06/02 09:41
Change comment: There is no comment for this version

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915 915  
916 916  **AT+MBFUN has only two value:**
917 917  
918 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
918 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
919 919  
920 920  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.
921 921  
922 -* AT+MBFUN=0: Disable Modbus fast reading.
922 +* **AT+MBFUN=0**: Disable Modbus fast reading.
923 923  
924 924  
925 925  **Example:**
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931 931  [[image:1654133913295-597.png]]
932 932  
933 933  
934 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
934 +[[image:1654133954153-643.png]]
935 935  
936 936  
937 -* Downlink Commands:
937 +* **Downlink Commands:**
938 938  
939 -A9 aa -à Same as AT+MBFUN=aa
939 +**A9 aa** ~-~-> Same as AT+MBFUN=aa
940 940  
941 941  
942 -==== RS485 command timeout ====
943 943  
943 +==== **RS485 command timeout** ====
944 +
944 944  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.
945 945  
946 946  Default value: 0, range:  0 ~~ 5 seconds
947 947  
948 948  
949 -* AT Command:
950 +* **AT Command:**
950 950  
951 -AT+CMDDLaa=hex(bb cc)
952 +(% class="box infomessage" %)
953 +(((
954 +**AT+CMDDLaa=hex(bb cc)**
955 +)))
952 952  
953 -Example:
957 +**Example:**
954 954  
955 955  **AT+CMDDL1=1000** to send the open time to 1000ms
956 956  
957 957  
958 -* Downlink Payload:
962 +* **Downlink Payload:**
959 959  
960 960  0x AA aa bb cc
961 961  
962 962  Same as: AT+CMDDLaa=hex(bb cc)
963 963  
964 - Example:
968 + **Example:**
965 965  
966 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
970 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
967 967  
968 968  
969 969  ==== [[Uplink>>path:#downlink_A8]] payload mode ====
1654133954153-643.png
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1 +XWiki.Xiaoling
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