This function presets values into a sequence of holding registers.
Query
The query message specifies the register references to be preset. Register addresses start at zero, i.e. register 1 is addressed as 0. Example of a request to preset
two registers (set parameter P-03 = 738 (7.38 A)):
Field Name
Slave Address
Function
Starting Address HI
Starting Address LO
No. of Registers HI
No. of registers LO
Byte Count
Write Data HI
(Register 4: 3029)
Write Data LO
(Register 4: 3029)
Write Data HI
(Register 4: 3030)
Write Data LO
(Register 4: 3030)
Error Check (CRC)
Response
The normal response returns the slave address, function code, starting address, and quantity of registers preset.