
6-10
6.1.9 Write Single Holding Register [06H]
Write single holding register. The register address of the holding register is specified in the message.
Example
: Write a 60.00Hz frequency command to node address 1.
ASCII Mode
3AH
STX
30H
Node Address
31H
30H
Function
36H
30H
Starting Register
31H
30H
32H
31H
DATA
37H
37H
30H
?
LRC CHECK
?
0DH
END
0AH
3AH
STX
30H
Node Address
31H
30H
Function
36H
30H
Starting Register
31H
30H
32H
31H
DATA
37H
37H
30H
?
LRC CHECK
?
0DH
END
0AH
Command Message
Response Message (Norm.)
Response Message (Error)
RTU Mode
Node Address
01 H
Function
06H
Start No
High
01H
Low
02H
DATA
High
17H
Low
70H
CRC-16
High
27H
Low
E2H
Node Address
01H
Function
06H
Start No
High
01H
Low
02H
DATA
High
17H
Low
70H
CRC-16
High
27H
Low
E2H
Node Address
01H
Function
86H
Exception code
52H
CRC-16
High
C3H
Low
9DH
Command Message
Response Message (Norm.)
Response Message (Error)
3AH
STX
30H
Node Address
31H
38H
Function
36H
35H
Exception code
32H
?
LRC CHECK
?
0DH
END
0AH