When executing the function of clear zero, function code 06 is to be used and the 执行 read-in data
must be 0xaa55.
If the read-in data is not be 0xaa55 or the display value exceeds the range of clear zero, the fault
code 0x03 will be got.
Tare Instruction：
When executing the tare operation, function code 06 is to be used and the read-in data must be
0xaa55.
If the read-in data is not be 0xaa55 or the display value exceeds the range of clear zero, the fault
code 0x03 will be got.
The Execution of Gross/Net Weight Conversion：
When executing the gross/net weight conversion, function code 06 is to be used and the read-in
data must be 0xaa55.
Zero Calibration：
When calibrating zero, function code 06 is to be used and the read-in data must be 0xaa55.
Function code: 03 read and reserve the register’s data
Example：The slaver’s number is 01, and read the 1st and 2nd registers’ data: the value got from the
meter is 10000.
Request: Master Response: Slaver
Domain name Data（hex） Domain name Data（hex）
Address domain 01 Address domain 01
Function code 03 Function code 03
Initial address higher (bytes) 00 Take count of bytes 04
Initial address lower (bytes) 00 Register’s higher（01） 00
The reading data’s higher (bytes) 02 Register’s higher（02） 00
Resister’s lower（02） 10
Function code： 06 Set Single Holding Register
Example： The slaver’s number is 01, and set the data of the 18
th
register 05.
Request: Master Response: Slaver
Domain name
Data（hex
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