9.4 Servo Gain Adjustment Functions
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1. Sufficient precautions must be taken when setting the notch frequency. Do not set the notch filter frequency
(Pn409) that is close to the speed loop’s response frequency. Set the frequency at least four times higher
than the speed loop’s response frequency. Setting the notch filter frequency too close to the response
frequency may cause vibration and damage the machine. The speed loop response frequency is the value of
the Speed Loop Gain (Pn100) when the Moment of Inertia Ratio (Pn103) is set to the correct value.
2. Change the Notch Filter Frequency (Pn409) only when the servomotor is stopped. Vibration may occur if
the notch filter frequency is changed when the servomotor is rotating.
IMPORTANT
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