Yaskawa MP920 Communications Module User Manual
Page 235
Appendix A System Functions
A.1.3 Parameter Details
A-6
Remote Station Number (PARAM02)
Function Code (PARAM04)
Set the MEMOBUS function code to be sent.
Remote
Device
Remote
Station
Number
Meaning
CP-215
1 to 64
Message is sent to the designated station.
00FFH
Message is sent to all stations (broadcasting).
CP-216
(MECHA-
TROLINK)
1 to 30
Message is sent to the designated station. (Message can be sent only
from the master station.)
80H
Message is sent to the master station. (Message can be sent only
from salve stations.)
CP-217
(Serial)
1 to 254
Message is sent to the station with the specified device address.
0100H
“0100H” must be specified if the device address of the remote sta-
tion is 0.
CP-218
1 to 20
Message is sent to the station with the specified connection number.
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