Transfer Function General 2Nd Order Filter; Function Diagrams And Parameters - Siemens SINAMICS S120 Function Manual

Servo control
4.6 Current setpoint filter
4.6.6

Transfer function general 2nd order filter

Numerator natural frequency f
Numerator damping D
Denominator natural frequency f
Denominator damping D
Table 4- 8 Example of general 2nd order filter
Filter parameters
Numerator frequency f =
Z
500 Hz
Numerator damping D
Z
= 0.02 dB
Denominator frequency
f = 900 Hz
N
Denominator damping
D = 0.15 dB
N
4.6.7

Function diagrams and parameters

Function diagrams (see SINAMICS S120/S150 List Manual)
• 5700
• 5710
• 5711
110
Z
N
Amplitude log frequency curve
Servo control - Current control, overview
Servo control - Current setpoint filters 1 ... 4
Servo control - Current setpoint filters 5 ... 10 (r0108.21 = 1)
Z
N
Phase frequency curve
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Drive functions