Preen ADG-P Series, User Manual, Page: 77 / 96

5.4.3 Write register (correct)
The master requests to write the set value of slave (ID 01 hex) output voltage (start
address 00 00 hex) 100V. Below is the query frame.
Field name Hex value Descriptions
ID 01 The slave ID
Function code 10 Write into the slave register
Byte count 04 The byte count of the Iset is 4 bytes
Start address (hi) 00
The start address of the output voltage
Start address (lo) 00
Data 42 The register data type of the output voltage is
general fraction
Convert the output voltage 100V into the register
data 42 C8 00 00 hex
Data C8
Data 00
Data 00
CRC check (lo) D6 The CRC value after checking 01 10 04 00 00 42 C8 00
00 hex CRC check (hi) 2A
Example: Setting voltage 100V.
01 10 04 0000 42C80000 D62A
The 4 bytes data refer to 5.3.4 section
Below is the response frame sent by the slave.
Field name Hex value Descriptions
ID 01 The slave ID
Function code 10 Write into the slave register
Frame status 00 Frame format correct
Byte count 00 The byte count of the requested data is 0 byte
CRC check (lo) 00
The CRC value after checking 01 10 00 00 hex
CRC check (hi) 1D
Correct response : 01 10 00 00 001D
The 4 bytes frame status refer to 5.3.1 section