Siemens Sinamics S110 Function Manual page 137

General low-pass with reduction
Table 7- 6 Example of general low-pass with reduction
STARTER filter parameters
Characteristic frequency f
Damping D = 0.7
Reduction Abs = -10 dB
Conversion to parameters for general order filters:
● Numerator natural frequency f
● Numerator damping
● Denominator natural frequency f
● Denominator damping D
Transfer function general 2nd order filter
Numerator natural frequency f
Numerator damping D
Denominator natural frequency f
Denominator damping D
Table 7- 7 Example of general 2nd order filter
STARTER filter parameters
Numerator frequency f
Z
Numerator damping D
Z
Denominator frequency f
Denominator damping D
Drive functions
Function Manual, 10/2008, 6SL3097-4AB10-0BP0
Amplitude log frequency curve
= 500 Hz
Abs
Z
N
Amplitude log frequency curve
= 500 Hz
= 0.02 dB
= 900 Hz
N
= 0.15 dB
N
= f (start of reduction)
Z Abs
N
N
Z
N
Drive functions
7.1 Servo control
Phase frequency curve
Phase frequency curve
137