E1 Series Servo Drive User Manual Tuning
10-20 HIWIN MIKROSYSTEM CORP.
Notch filter depth
Notch filter depth defines the depth of filtering frequency. The depth of notch varies with the
setting of notch filter depth. As the value of notch filter depth decreases, the notch deepens and
vibration suppression becomes more effective. Please be noted that vibration may be greater if
the value is set to be too small. Set d = 1.0 (For example, Pt418 = 1000) to disable notch filter.
Figure10.6.3.3 Notch filter d value
d value defines the depth of notch filter. The formula for calculating the depth is: 20*log(d).
Table10.6.3.5
d Value
Depth (dB)
0 -∞ (The ideal value is negative infinity.)
0.1
-20
0.3
-10.457
0.5
-6.02
0.7
-3.098
1
0 (Notch filter has no function.)
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