YASKAWA MP920 User Manual page 245

Remote Station Number (PARAM02)
PARAM02 outputs the station number of the sender.
For 218IF, specify the connection number of the destination.
Function Code (PARAM04)
Set the MEMOBUS function code to be sent.
Function
Code
00H
Not used.
01H Coil status read
02H Input relay status read
03H Holding register read
04H Input register read
05H Single coil status change
06H Single holding register write
07H Not used.
08H
Loopback test
09H
Holding register read (extended)
0AH Input register read (extended)
0BH Holding register write (extended)
0CH Not used.
0DH Discontinuous holding register read
(extended)
0EH Discontinuous holding register write
(extended)
0FH Multiple coil status change
10H Multiple holding register write
11H to 20H
Not used.
21H to 30H Reserved by system.
31H MELSEC fixed buffer communications
32H MELSEC random buffer read
33H
MELSEC random buffer write
34H to 3FH Reserved by system.
40H to 4FH Reserved by system.
50H or later Not used.
* Yes: Can be output, No: Cannot be output
MB, MW, IB, and IW registers can be used as coils, holding registers, input relays, and input
registers during slave operation.
A-17
A.2 RECEIVE MESSAGE Function (MSG-RCV)
Meaning 215IF, 218IF,
TROLINK*
218IF only
218IF only
218IF only
217IF,
MECHA- Serial*
No No
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
No No
Yes Yes
Yes No
Yes No
Yes No
No No
Yes No
Yes No
Yes Yes
Yes Yes
No No
No No
No
No
No
No No
No No
No No
A