YASKAWA MP3000 Series - Page 86

2.4 Communications with MP-series Controllers
Message Functions
2-68
Note: Enter the same connection number as displayed in the 218IFD Detail Definition Dialog Box in the MPE720.
 Options (PARAM11)
This parameter is not used for the Extended MEMOBUS protocol.
 Function Code (PARAM12)
Set the function code to send.
You can use the functions that are registered to the function codes.
Communications
Device
Connection
Number
Description
218IFD 1 to 20
Specifies the connection number of the remote station to send the
message to.
Function Code
Target
Data
Type
Function
Registers When Acting as
the Master
Send
Registers
Receive
Registers
00 hex − Not used for the Extended MEMOBUS protocol.
MM
01 hex B Reads the states of coils.
02 hex B Reads the states of input relays.
03 hex W Reads the contents of hold registers.
04 hex W Reads the contents of input registers.
05 hex B Changes the state of a single coil.
06 hex W Writes to a single hold register.
07 hex − Not used for the Extended MEMOBUS protocol.
08 hex − Performs a loopback test.
09 hex W Reads the contents of hold registers (extended).
0A hex W Reads the contents of input registers (extended).
0B hex W Writes to hold registers (extended).
0C hex − Not used for the Extended MEMOBUS protocol.
0D hex W
Reads the contents of non-consecutive hold
registers (extended).
0E hex W
Writes to non-consecutive hold registers
(extended).
0F hex B Changes the states of multiple coils.
10 hex W Writes to multiple hold registers.
Continued on next page.