Status (param01) – Yaskawa MP900 Series Ladder Programming Manual User Manual
Page 313

5.10 System Function Instructions
5.10.6 Send Message (MSG-SND)
5-244
Status (PARAM01)
The status of the communications section is output to this parameter.
The bit assignments are shown in the following figure.
1.
COMMAND
The abbreviations and meanings of the commands are given in the following table.
2.
RESULT
The abbreviations and meanings of the results are listed in the following table.
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
REQUEST
RESULT
COMMAND
PARAMETER
4
2
1
3
Code
Abbreviation
Meaning
1
U_SEND
Sends a general-purpose message.
2
U_REC
Receives a general-purpose message.
3
ABORT
Aborts operation.
8
M_SEND
Sends a MEMOBUS command and ends when a response is
received.
9
M_REC
Receives a MEMOBUS command and returns a response.
C
MR_SEND
Sends a MEMOBUS response.
Code
Abbreviation
Meaning
0
–
Execution is in progress.
1
SEND_OK
The send was completed normally.
2
REC_OK
The reception was completed normally.
3
ABORT_OK
Aborting was completed.
4
FMT_NG
A parameter format error occurred.
5
SEQ_NG or
INIT_NG
A command sequence error occurred or a token was not received.
There is no connection to a communications system.
6
RESET_NG or
O_RING_NG
A reset status exists.
Out of ring: A token was not received within the token monitoring
time.
7
REC_NG
A data reception error occurred. (An error was detected in a low-
level program.)