Resonance Suppression; Notch Filter (Resonance Suppression); Notch Filter Attenuation Rate (Resonance Suppression); Low-Pass Filter Time Constant (Resonance Suppression) - Delta Electronics ASDA-A Series User Manual

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Chapter 6 Control Modes of Operation|ASDA-A&A+ Series

6.3.7 Resonance Suppression

The resonance of mechanical system may occur due to excessive system stiffness or frequency
response. However, this kind of resonance condition can be improved, suppressed, even can be
eliminated by using low-pass filter (parameter P2-25) and notch filter (parameter P2-23, P2-24) without
changing control parameter.
Relevant parameters:
P2 - 23 NCF
Default: 1000
Applicable Control Mode: ALL
Unit: Hz
Range: 50 ~ 1000
Settings:
This parameter is used to set resonance frequency of mechanical system. It can be used to
suppress the resonance of mechanical system. If P2-24 is set to 0, this parameter is disabled.
P2 - 24 DPH
Default: 0
Applicable Control Mode: ALL
Unit: dB
Range: 0 ~ 32
Settings: 0: Disabled
P2 - 25 NLP
Default: 2 (1kW and below models) or
Applicable Control Mode: ALL
Unit: ms
Range: 0 ~ 1000
Settings: 0: Disabled
This parameter is used to set low-pass filter time constant of resonance suppression.
6-28
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Notch Filter (Resonance Suppression)

Notch Filter Attenuation Rate
(Resonance Suppression)
Low-pass Filter Time Constant
(Resonance Suppression)
5 (above 1kW models)
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Communication Addr.: 0217H
Related Section:
Section 6.3.7
Communication Addr.: 0218H
Related Section:
Section 6.3.7
Communication Addr.: 0219H
Related Section:
Section 6.3.7
Revision April 2009
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