YASKAWA MP920 User Manual page 258

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