Siemens SINUMERIK 840C Installation Instructions Manual page 1126

08.96
Example of speed setpoint bandstop
fz
DZ
fbz = 2 x Dz x fz
Dn
fbn = 2 x Dz x fn
fn = MD 1520(%) x fz
Magnitude
[dB]
Phase
angle
Fig. 12-9
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SINUMERIK 840C (IA)
More user manuals on
: Blocking frequency
: Damping numerator
: Bandwidth numerator MD 1515/MD 1518
: Damping denominator
: Bandwidth denominator
: Bandstop natural frequency
10
3
0
-3
-10
-20
-30
2
10
180
90
0
-90
-180
2
10
Frequency response of general bandstop with blocking frequency f
bandwidth f = 500 Hz, counter bandwidth f
Bn
frequency f = 707, 1000 and 1414 Hz.
n
ManualsBase.com
MD 1514/MD 1517
MD 1516/MD 1519
MD 1520/MD 1521
Amplitude response
log f [Hz]
Phase response
1414
707
log f [Hz]
= 0 Hz and variation in natural
Bz
6FC5197- AA50
12 Functional Descriptions
12.33.5 Speed setpoint filter
1414
1000
707
3
10
1414
1000
707
3
10
= 1000 Hz,
z
12–351