If the equipment to be controlled has resonance at a high frequency, NLFITT 1 can be used for
current output. NLFILTT1 can effectively reduce the noise, but it will also reduce the control
bandwidth and the potential stiffness of the system.
NLFILTDAMPING can minimize low-pass negative effects. NLFILTDAMPING can be set
independently of NLFILTT1 to provide overshoot response. Combined with the low-pass
characteristics of mechanical system, it is helpful to deliver a high bandwidth control.
NLFILTDAMPING0%40%80%
Figure 8-21 Low-pass filter
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