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MHT260a (Engl.)
9-13
(vii) Overspeed
•
Keypad pauel display
•
Contents of alarm
The motor speed has exceeded 1.1 times of the max. speed.
•
Cause, check and remedy
At acceleration, overshooting may have occurred.
Check the speed wave form at acceleration with a pc loader.
(viii) Fuse brown
•
Keypad panel display
•
Contents of alarm
Voltage was generated at both ends of the fuse in the amplifier main circuit (2 [kW] and above).
•
Cause, cheok and remedy
The main circuit fuse is for preventing the secondary accident such as fire. The fuse cannot be replaced. Do not turn on power again, and
contact us.
9.4 Items to inquire when faulty
If an alarm appeared, remedy it referring to 9.3.
When contacting us, specify the following items.
(a) Data on nameplate : Type, serial equipment No.
(b) Device configuration : Example, type of external braking resistor etc.
(c) Outline of mechanical equipment system driven by motor : Example, ball-screw feed, vertical drive, reduction speed ratio 1/2
(d) Fault contents
(i) Running duration (years)
(ii) Alarm occurrence frequency, conditions : Example : when a certain device operates, the motor stops
(iii) Alarm display contents
(iv) Whether reproducible ?
(v) While accelerating, rotating at constant speed or decelarating ?
(vi) Whether different between forward and reverse rotation of motor ?
(vii) Whether at particular conditions ? : Example : when [RUN] signal has been turned on ?
when advancing mechanical-table has come to a particular position ?
(viii) Whether trouble persists even after replacing the machine or amplifier with one having the same specification ?
Содержание Faldic-a RYS-R Series
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