YASKAWA MP920 User Manual page 262

Appendix B 218IF Messages
B.1.2 MEMOBUS Binary Mode
Multiple Coil Status Change
Command
7 0
(L)
Length: 07H+
No.of coils/8
(H)
MFC: 20H
SFC: 0FH
CPU No.
(H)
Reference No.
(L)
(H)
No. of coils (n)
(L)
Coil data (1 to 8)
(L)
Coil data (to n)
Response
7 0
(L)
Length: 07H
(H)
MFC: 20H
SFC: 0FH
CPU No.
(H)
Reference No.
(L)
(H)
No. of coils (n)
(L)
Set the command length.
Always 20H.
The SFC number is 0FH when multiple coil status is changed.
Set 4 bits each for the destination CPU number and the source
CPU number.
Set the leading address of the coils to be changed.
Set the number of coils to be changed.
Set the status of the coils to be changed.
Set the command length.
Always 20H.
The same SFC number as that specified in the command is
returned.
Set 4 bits each for the destination CPU number and the source
CPU number.
The leading address of the changed coils is returned.
The number of changed coils is returned.
B-14