6-23
MHT260a (Engl.)
■ Vibration suppression parameter (basic para. 44, 45)
Basic parameters 44, 45
Para. Name Setting range Initial value Change
44 Vibration suppression time constant 10 to 1000 [ms] (in 1 step) 100 Always
45 Vibration suppression gain 0.00 to 1.00 (in 0.01 step) 0.00 Always
A periodical vibration in motor rotation speed may occur due to the moment of inertia of mechanical equipment system and the motor’s
response rate. This parameter is always valid regardless of tuning method (basic para. 31).
The vibration suppression time constant (basic para. 44) sets the vibration cycle of rotational speed. Larger effect can be obtained with the
higher setting for the vibration suppression gain.
Time
Speed
Vibration cycle
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