Siemens SINUMERIK 840C - Manual (Page 515)

7 Drive Machine Data (SIMODRIVE Drive MD) 04.96
7.3.2 Drive MD (data description)
Example: Low-pass
Low-passes and band-stops are used in damping resonances above and at the limit of stability
of the speed control loop (see diagrams below).
Specified: Natural frequency 500 Hz with 0.2, 0.5 or 1.0 input
1 10 Log 1k
180
Phase
Deg
-180
10 kHz 100 500
Natural frequency
1.0
0.5
0.2
1 10 Log 1k 10 kHz
20.0
0.0 dB
-60.0
100 500
0.2
0.5
1.0
Example: Band-stop filter
Specified: Blocking frequency 1 kHz with 1 kHz bandwidth 0 Hz bandwidth numerator
(damping)
Band width
20.0
0.0
-3.0
dB
-60.0
1 10 Log 1k 10 kHz 100
Blocking frequency
1 10 Log 1k 10 kHz
180
Phase
Deg
-180
100
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SINUMERIK 840C (IA)