MHT258a (Engl.)6-9
Auto-tuning related parameter
■ Vibration suppression parameter (basic para. 44, 45)
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 effective regardless of tuning method (basic para. 31).
Basic parameters. 44, 45
Para. Name Setting range Initial value Change
44 Vibration suppression time constant 10 to 1000 [ms] (in 1ms steps) 100 Always
45 Vibration suppression gain 0.00 to 1.00 (in increments of 0.01) 0.00 Always
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
Vibrationcycle
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