7300CV MODBUS COMMUNICATION PROTOCOL
File No. :PC-CV-08
Version : 1.A
Page :
28/34
6.5.3 Write holding register [06H]
The specified data are written into the specified holding register.
(Example)
Set SLAVE station No: 01,
7300CV
drive's frequency command is 60.0Hz.
ASCII Mode
Instruction Message Response Message (Normal) Response Message (Fault)
3AH STX
3AH
STX 3AH
STX
30H
30H
30H
31H
SLAVE
Address
31H
SLAVE
Address
31H
SLAVE
Address
30H
30H
38H
36H
Function Code
36H
Function
Code
36H
Function
Code
30H
30H
35H
31H
31H
32H
Error Code
30H
30H
?
32H
Start Address
32H
Start Address
?
LRC CHECK
0DH
31H
31H
0AH
END
37H
37H
37H
37H
30H
DATA
30H
DATA
?
?
?
LRC CHECK
?
LRC CHECK
0DH
0DH
0AH
END
0AH
END
RTU Mode
Instruction Message Response Message (Normal) Response Message (Fault)
SLAVE Address
01 H
SLAVE Address
01H
SLAVE Address
01H
Function Code
06H
Function Code
06H
Function Code
86H
High
01H
High
01H
Error
Code
52H
Start
Address
Low 02H
Start
Address
Low 02H
High
C3H
High
17H
High
17H
CRC-16
Low
9DH
DATA
Low 70H
DATA
Low 70H
High
27H
High
27H
CRC-16
Low E2H
CRC-16
Low E2H
