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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
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1
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10
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Log
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1k
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180
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Phase
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Deg
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-180
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10 kHz
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100
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500
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Natural frequency
1.0
0.5
0.2
1
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10
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Log
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1k
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10 kHz
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20.0
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0.0
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dB
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-60.0
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100
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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
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20.0
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0.0
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-3.0
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dB
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-60.0
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1
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10
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Log
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1k
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10 kHz
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100
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Blocking frequency
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1
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10
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Log
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1k
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10 kHz
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180
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Phase
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Deg
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-180
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100
7–100 ©
Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)