Appendix G MSG-SND/MSG-RCV Functions (Ethernet)
G.1 Message Transmit Function (MSG-SND)
A-59
( 3 ) Status (PARAM00)
Outputs status of the communication section (communication device).
The following figure shows the bit assignment and the bit assignment details is listed in the table (a) and after.
( a ) REQUEST (request)
Outputs whether the MSG-SND function is requesting processing.
( b ) RESULT (result)
Outputs the execution result of the MSG-SND function
( c ) COMMAND (command)
Outputs a process command for the MSG-SND function. The executed process contents may differ depending on the
command.
FEDCBA9876543210
Bit F
(a) REQUEST
Bits C to E
(b) RESULT
Bits 8 to B
(c) COMMAND
Bits 0 to 7
(d) PARAMETER
Bit State Description
1 Requesting processing.
0 The acceptance of the process request is complete.
Code Abbreviation Meaning
0 CONN_NG In Ethernet communication, transmit error or connection error is complete
1 SEND_OK Normal transmission complete
2 REC_OK Normal reception complete
3 ABORT_OK Forced abort complete
4 FMT_NG Parameter format error
5 SEQ_NG Command sequence error
6 RESET_NG Reset state
7 REC_NG Data reception error (error detected in the lower layer program)
Code Abbreviation Meaning
1 U_SEND General-purpose message transmission (for non-procedural protocol)
2 U_REC General-purpose message reception (for non-procedural protocol)
3 ABORT Forced termination
8 M_SEND MEMOBUS command transmission: Completed when response is received
9 M_REC MEMOBUS command reception: Accompanies a response transmission
C MR_SEND MEMOBUS response transmission
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