gefran BDI50 Series User Manual page 160

4.5 Write holding register [06H]
Specified data are written into the several specified holding registers from the Specified
respectively.
(Example)Set SLAVE station No:01, write BDI50 drive frequency reference 60.0HZ.
Instruction Message
3AH STX
30H SLAVE
31H Address
30H
Function
Code
36H
32H
35H
Start
Address
30H
32H
31H
37H DATA
37H
30H
?
LRC CHECK
?
0DH
END
0AH
Instruction Message
SLAVE Address
Function Code
High
Start
Low
Address
High
DATA
Low
High
CRC-16
Low
Response Message (Normal)
3AH
30H
31H
30H
36H
32H
35H
30H
32H
31H
37H
37H
30H
?
?
0DH
0AH
Response Message (Normal)
01H SLAVE Address
06H Function Code
25H
Start
Address
02H
17H
DATA
70H
2DH
CRC-16
12H
ASCII Mode
STX
SLAVE
Address
Function Code
Start
Address
DATA
LRC CHECK
END
RTU Mode
01H
06H
High
25H
Low
02H
High
17H
Low
70H
High
2DH
Low
12H
App 3-10
Response(Fault)
3AH
30H SLAVE
31H Address
38H
Function Code
36H
35H
Error Code
32H
?
LRC CHECK
?
0DH
0AH
Response(Fault)
SLAVE Address
Function Code
Error Code
High
CRC-16
Low
STX
END
01H
86H
52H
C3H
9DH