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Mitsubishi Electric MR-MQ100 User Manual page 118

Motion controller
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6 INSPECTION AND MAINTENANCE
" . . ." displays on 7-segment LED
Confirm details of error by Motion
controller error batch monitor of
MT Developer2.
Is the error
code of Motion controller WDT
cause "1"?
YES
Correct the main cycle not to exceed
1.0[s] by the following methods, and
write it to Motion controller.
1) Change the operation cycle to
large value in the system setting.
2) Reduce the number of execution to
the event task program in the
Motion SFC program.
3) Reduce the number of execution to
the normal task program executed
simultaneously
in the Motion SFC program.
Reset the Motion controller.
Does " . . ." disappear
on 7-segment LED.
YES
END
(g) Flowchart for when " . . ." displays on 7-segment LED
" . . ." displays at the WDT error occurrence.
The following shows the flowchart for when " . . ." displays on 7-segment
LED during operation.
NO
Is the error
code of Motion controller WDT
cause "2"?
Correct the Motion operating time to
shorten by the following methods,
and write it to Motion controller.
1) Change the operation cycle to
large value in the system setting.
2) Reduce the number of execution to
the event task program in the
Motion SFC program.
NO
Explain the error symptom and get
advice from out sales representative.
NO
YES
6 - 21
Is the error
code of Motion controller WDT
cause "301"?
YES
Correct the servo program so that the
number of CPSTART instructions of
8 or more points should not exceed
the number of simultaneous startable
programs (14 or less), and write it to
Motion controller.
NO
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