Siemens SINUMERIK 840C - Manual (Page 1118)

08.96 12 Functional Descriptions
12.33.3 Current setpoint filter
Examples of frequency responses
Amplitude response
Magnitude
[dB]
log f [Hz]
10 2 10 3
10
3
0
-3
-10
-20
-30
Phase response
Phase
angle
log f [Hz]
10 2 10 3
180
90
0
-90
-180
100 Hz
500 Hz
1000 Hz
100 Hz
500 Hz
1000 Hz
Fig. 12-5 Frequency response of undamped bandstop with blocking frequency of 1000 Hz
and bandwidth variations of 100 Hz, 500 Hz and 1000 Hz.
The bandwidth is the difference between two frequencies with amplitude
attenuation of 3 dB.
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 12–343
SINUMERIK 840C (IA)