Problems Due To Transient Data Error - Mitsubishi Electric MELSEC-Q Series User Manual

11.2.3

Problems due to transient data error

(1) Problems due to transient data error in an intelligent device station (local
station)
Problem Check item
Refresh data
F1-1
area
Parameter
F1-2
setting
Transient error
F1-3 Response status
Target station
F1-4
number
Description
Is the transient transmission
Check if the correct
(dedicated instruction)
destination is accessed.
correctly performed?
Do the parameter settings Check if a remote I/O station
match with the status of the or remote device station is
connected modules? not connected.
Check if a response is
Error code B404 (response received from the request
timeout) destination station within the
monitoring time.
Check the error code stored
Is the transient transmission
in Completion status when
(dedicated instruction)
the dedicated instruction
correctly performed?
was executed.
Check the error code of the
CPU module.
Check the error code of the
Do the master station and
master station.
the intelligent device station
Check the operating status
have no error?
of the master station and the
target intelligent device
station.
Check if transient
transmission is not being
Is the target station number
executed for the same
correct?
station number at the same
time.
CHAPTER 11 TROUBLESHOOTING
Check method Corrective action
Access the correct area in
the corresponding station.
Match the model set by the
parameter with that of the
connected module.
Increase the monitoring time
value.
If the error persists, check
the modules and cables at
the destination.
Take corrective action
according to the error code.
Take corrective action
according to the error code.
Correct the station number
setting. If executing for the
same station number, shift
the execution timing.
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