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WPMZ Series Modbus communication instruction manual
IM-0862-02
Number of pages:109
13
3.
Function code 06H (Write 1 word of holding register)
Writes 1 word (2 bytes) of data to the specified writable address.
Transmission and reception format
◎Transmission data (master
→
slave (module))
Table 3.9 Function code 06H Transmission format
n a me
Tra n smi tte d da ta
S l a v e ID
0 1 ~ F F H
Fu n c ti on c o de
0 6 H
A d d r e s s
U p p e r
0 0 0 0 ~ 2 7 0 F H
Lo w e r
W r i t e w o r d d a t a
U p p e r
0 0 0 0 ~ F F F F H
Lo w e r
E r r o r c h e c k
( C R C - 1 6 )
Lo w e r
0 0 0 0 ~ F F F F H
U p p e r
◎Received data (slave (module)
→
master)
Table 3.10 Function code 06H Reception format
n a me
Re c e i v e d d ata
S l a v e ID
0 1 ~ F F H
Fu n c ti on c o de
0 6 H
A d d r e s s
U p p e r
0 0 0 0 ~ 2 7 0 F H
Lo w e r
W r i t e w o r d d a t a
U p p e r
0 0 0 0 ~ F F F F H
Lo w e r
E r r o r c h e c k
( C R C - 1 6 )
Lo w e r
0 0 0 0 ~ F F F F H
U p p e r