3.3 Message Communication Error
3.3.3 Checking the Message Function
3-16
[ c ] Checking the status (PARAM01)
1. REQUEST (request)
Outputs the request processing status of the message function.
2. RESULT (process result)
Outputs the execution result of the message function.
* 1. When this error occurs, the detailed information will be displayed at 4. PARAMETER (parameter).
* 2. This error occurs when the message function is executed while the Ethernet Module is not ready to receive
message transmission or receive requests.
3. COMMAND (command)
Outputs a process command of the message function. The details of the executed process can be determined from
this information.
F E D C B A 9 8 76543210
Bits 0 to 7
Bits 8 to B
Bits C to E
Bit F
4. PARAMETER
3. COMMAND
2. RESULT
1. REQUEST
Bit State Error Details
0
Requesting processing
1
The acceptance of the process
request is complete.
Code Abbreviation Meaning
0
CONN_NG
Transmission error or connection error termination in Ethernet communica-
tion
1
SEND_OK Normal transmission complete
2
REC_OK Normal reception complete
3
ABORT_OK Forced termination
4
FMT_NG
Parameter format error
*1
5
SEQ_NG
Command sequence error
*2
6
RESET_NG
Reset state
*2
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