Yaskawa MP920 Communications Module - Manual (Page 246)

A.2 RECEIVE MESSAGE Function (MSG-RCV)
A-17
A
„ 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.
* 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.
Function
Code
Meaning 215IF, 218IF,
MECHA-
TROLINK*
217IF,
Serial*
00H Not used. No No
01H Coil status read Yes Yes
02H Input relay status read Yes Yes
03H Holding register read Yes Yes
04H Input register read Yes Yes
05H Single coil status change Yes Yes
06H Single holding register write Yes Yes
07H Not used. No No
08H Loopback test Yes Yes
09H Holding register read (extended) Yes No
0AH Input register read (extended) Yes No
0BH Holding register write (extended) Yes No
0CH Not used. No No
0DH Discontinuous holding register read
(extended) Yes No
0EH Discontinuous holding register write
(extended) Yes No
0FH Multiple coil status change Yes Yes
10H Multiple holding register write Yes Yes
11H to 20H Not used. No No
21H to 30H Reserved by system. No No
31H MELSEC fixed buffer communications 218IF only No
32H MELSEC random buffer read 218IF only No
33H MELSEC random buffer write 218IF only No
34H to 3FH Reserved by system. No No
40H to 4FH Reserved by system. No No
50H or later Not used. No No