Yaskawa JAPMC-MC2303-E - Manual (Page 97)

6.1 Message Send Function
6.1.5 Parameter Details for MSG-SND Function
6-12
COMMAND
The processing command for the MSG-SND function is output to these bits. The processing that is executed depends
on the setting of the COMMAND bits.
PARAMETER
The following error code is output if RESULT is set to 4 (FMT_NG: parameter format error). In other cases, the remote
node number is output.
( 3 ) PARAM02: Remote Node Number
Specifies the destination node number (1 to 254).
ΠThe details of the remote node information including node number can be checked on the Network Configuration
Window. Refer to 4.2.6 Network Configuration Window on page 4-13 for the Network Configuration Window.
( 4 ) PARAM04: Function Code (Only When Extended MEMOBUS Is Used)
PARAM04 sets the function code to be sent (setting is not required for non-procedure protocol).
The function registered to the function code is used by specifying the function code here. Functions include reading
coil and input relay status and writing holding registers.
The function codes used for the MEMOBUS or Extended MEMOBUS protocol are listed in the following table.
<Function Codes>
ΠW: Word data
Œ { : Can be set, × : Cannot be set.
3
Code (Hex) Abbreviation Meaning
1 U_SEND Send General-purpose Message with Non-procedure Protocol
2 U_REC Receive General-purpose Message with Non-procedure Protocol
3 ABORT Abort
8 M_SEND Send MEMOBUS command; executing the command is completed upon receiving a response.
9 M_REC Receive MEMOBUS command; executing the command is followed by sending a response.
C MR_SEND Send MEMOBUS response
4
RESULT Code Meaning
RESULT = 4 (FMT_NG: pa-
rameter format error)
00 No errors
01 Remote node number out of range
02 MEMOBUS response receive monitor time error
03 Retry count setting error
04 Cyclic area setting error
05 CPU No. error
06 Data address error
07 Data size error
08 Function code error
Other values of RESULT †† Remote node number
Function
Code
Applicable
Data Type
Function
Protocol Type
Extended
MEMOBUS
MEMOBUS
00H to 07H – Not used. – –
09H W Word block read { ×
0AH – Not used. – –
0BH W Word block write { ×
0CH to 10H – Not used. – –