Yaskawa MP920 Communications Module - Manual (Page 259)

Appendix B 218IF Messages
B.1.2 MEMOBUS Binary Mode
B-10
„ Input Register Read (Expanded)
MFC: 20H
SFC: 0AH
Length: 08H
SPARE
CPU No.
Set the command length.
Command
The SFC number is 0AH when the input register contents are
read.
Set 4 bits each for the destination CPU number and the source
CPU number.
Set the leading address of the input registers to be read.
Set the number of input registers to be read.
(L)
(H)
Reference No.
No. of registers (n)
(L)
(H)
(L)
(H)
7 0
Always 20H.
MFC: 20H
SFC: 0AH
Length: 06H+
SPARE
CPU No.
Data 1
Data n
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
Set the command length.
Response
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 read input register contents are returned.
The number of read input registers is returned.
7 0
No.of registers×2
No. of registers (n)