YASKAWA MP920 User Manual page 261

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