Siemens SINAMICS S110 - Page 142

Drive functions
7.1 Servo control
Function Manual
140 Function Manual, 01/2011, 6SL3097-4AB10-0BP3
Band-stop with defined reduction
Table 7- 5 Example of band-stop
STARTER filter parameters Amplitude log frequency curve Phase frequency curve
Blocking frequency f
SP
= 500 Hz
Bandwidth f
BB
= 500 Hz
Notch depth K = -∞ dB
Reduction ABS = -10 dB
$EVG%
General conversion to parameters for general order filters:
● Numerator natural frequency:
6S
=
=
II
2
=
π
ω
=
● Numerator damping:
$EV
6S
%%
$EV
.
=
I
I
'
10
2
2
2
20
20
1010
1
1
2
1
10
•
+
⎟
⎟
⎟
⎟
⎠
⎞
⎜
⎜
⎜
⎜
⎝
⎛
−••=
● Denominator natural frequency:
$EV
6S
1
1
II



=
˭
˶
● Denominator damping:
$EV
6S
%%
1
I
I
'

