Appendix A
A-18 DVP-MC operating manual
Data order Name Byte
Byte4 High byte
Byte5
The written value
Low byte
Byte6 Low byte of CRC check sum Low byte
Byte7 High byte of CRC check sum High byte
Data structure of abnormality response message:
Data order Name Byte
Byte0 Modbus ID Single byte
Byte1 0x80+ function code Single byte
Byte2 Abnormality response code Single byte
Byte3 Low byte of CRC check sum Low byte
Byte4 High byte of CRC check sum High byte
¾ Example: Write 0x0100 to 0x1000 address in DVP10MC11T via function code 06.。
Request message: “ 01 06 10 00 01 00 8C 9A”.
Response message: “ 01 06 10 00 01 00 8C 9A”.
Function code: 0x10 to write multi word-device register value
Data structure of request message:
Data order Name Byte
Byte0
Modbus ID
Single byte
Byte1
Function code
Single byte
Byte2 High byte
Byte3
The start address of DVP10MC11T word device where
to write the value.
Low byte
Byte4 High byte
Byte5
The address number of DVP10MC11T word device
where to write the value.(Counted by words)
Low byte
Byte6
The address number of DVP10MC11T word device
where to write the value. (Counted by bytes)
Single byte
Byte7 High byte
Byte8
The address value written into DVP10MC11T word
device.
Low byte
… High byte
…
The address value written into DVP10MC11T word
device.
Low byte
Byte n High byte
Byte n+1
The address value written into DVP10MC11T word
device.
Low byte
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