Mitsubishi Electric Melsec WS Series, Руководство пользователя

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Troubleshooting
MELSEC-WS
132
*1 For details of the sample program, refer to Section 8.3.
*2 For troubleshooting of the QJ71E71-100, refer to the Q Corresponding Ethernet
Interface Module User’s Manual (Basic).
Check if the response command
has been received
from the WS0-GETH.
YES
Check if the response command
is correct.
NO
No responses (including error responses) from the WS0-GETH
- Check if the pairing open has been configured for the
QJ71E71-100.
- Check the network totally including the communication path
between the WS0-GETH and the QJ71E71-100, a noise, and
installation status.
Was the expected
value read/written?
NO
- Check if no Update Dataset checkbox is checked for
the WS0-GETH with Setting and Monitoring Tool.
- Check if the response data are correctly verified in the
verification processing. (Check if the data have been
sorted in Little Endian format.)
NO
- Check if the read/write request data sent from the
QJ71E71-100 have been correctly sorted.
- In polling mode (output data set writing), check if the
MELSEC-WS CPU module is in Run state.
YES
End
YES
(M510 is on.)
NO
(M511 is on.)
Check the code of an error occurred by executing the
BUFRCV instruction and eliminate the error.
( Eliminate the error, referring to the error code stored in D2.)
YES
(The value was
added in C31.)
- Check if the MELSEC-WS CPU module is not in Stop state.
- The MELSEC-WS safety controller may be in Idle state
(initial processing). Re-execute write processing.
YES
NO
(The value was
added in C33.)
Was the
BUFRCV instruction
executed? (Was the value
added in C20?)
Was the BUFRCV
instruction normally completed?
(Is M510 on?)
Was a response
command for the request
command received?
(Was the value added
in C31?)
(The value was
added in C32.)
In polling mode
(output data set writing),
is the status of the response
command “0”
(successful)?
(From the previous page)