— 14-8 —
14.2.3.3. Velocity Error Over
[Output]
DRDY: Open
[TA]
A4> Run away
[LED]
A4
[Motor Condition]
Servo OFF
Table 14-9: Cause and remedy: Run away
Cause
Remedy
(1) Velocity of Motor has reached to the limit due
to external disturbance.
Clear the alarm.
(2) Velocity of Motor has reached to the limit due
to overshooting.
•
Reduce setting of acceleration rate.
•
Reduce rotational speed.
(3) Motor tends to vibrate due to poor servo
tuning.
Tune Motor properly.
(4) Motor runs away. (out-of-control)
•
Confirm the PA data for abnormality.
•
Replace Driver Unit.
◊
Standard ESA Driver --------------------[Appendix 4]
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