Yaskawa MP920 Communications Module - Manual (Page 262)

B.1 Extended MEMOBUS Messages
B-13
B
„ Discontinuous Multiple Holding Register Write
MFC: 20H
SFC: 0EH
Length: 06H+
SPARE
CPU No.
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
Set the command length.
Command
Always 20H.
The SFC number is 0EH for discontinuous writing to holding
registers.
Set 4 bits each for the destination CPU number and the source
CPU number.
Set the contents of the holding registers to be written.
Set the number of holding registers to be written.
Set the address of a holding register to be written.
Set the contents of the holding register to be written.
Set the address of a holding register to be written.
7 0
No.of registers×2
No. of registers (n)
Register data n
Register data 1
Reference No. n
Reference No. 1
MFC: 20H
SFC: 0EH
Length: 06H
SPARE
CPU No.
Set the command length.
Response
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 written holding registers is returned.
(L)
(H)
No. of registers (n)
(L)
(H)
7 0
Always 20H.