Siemens Sinamics S110 Function Manual page 142

Drive functions
7.1 Servo control
Band-stop with defined reduction
Table 7- 5 Example of band-stop
STARTER filter parameters
Blocking frequency f = 500 Hz
SP
Bandwidth f = 500 Hz
BB
Notch depth K = -∞ dB
Reduction ABS = -10 dB
General conversion to parameters for general order filters:
● Numerator natural frequency:
● Numerator damping:
● Denominator natural frequency:
● Denominator damping:
140
Amplitude log frequency curve
ω
= =
π
2
2
⎛ ⎞
⎜ ⎟
1 1
= • • ⎜ − ⎟
20
10 1
⎜ ⎜ ⎟ ⎟
2
⎝ ⎠
20
10
=
2
+
2
•
10
10
Phase frequency curve
Function Manual, 01/2011, 6SL3097-4AB10-0BP3
Function Manual