Translation of the Original Operating Instructions
VP-80/VP-80 E
62
Tracking
Tracking is carried out during operation of the
machine and serves to analyze the rotor fre-
quency-induced vibration components and
their harmonics with speed variation. The Tra-
cking measuring module can be utilized for
both run-up and coast-down of the machine.
The raw vibration signal and the speed are
recorded during run-up and coast-down. Up
to three measuring channels plus speed are
supported.
After the measurement, you can define in a
setup which method you wish to use to evalu-
ate respectively to post-process the recorded
signals. As the raw vibration signal is availa-
ble, you can repeat the analysis as often as
you like with different setups.
The results of this so-called post-processing
can be viewed using Bode, Nyquist, FFT
waterfall, spectrogram or table view options.
Time Signal
The Time Signal Module enables the user to
record a raw signal and save it in a standard
file format (.wav). This format permits subse-
quent post-analysis by, for example, the
Report & EXaminer software or MatLabTM.
Up to 4 vibration input channels or 3 vibration
input channels plus a speed reference are
supported.
Picto-
gram
Description of the module
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