VC-6000
TM
Compact monitor Part C Cyclic peak-peak measurement
- 40 - C100583.002 Components Vers. 07 © VC-6000
TM
Compact monitor Sept. 2011
12 Cyclic peak-peak measurement
12.1 Function
♦ The cyclic peak-peak value describes the largest dynamic excursion of a
vibration signal (AC signal or AC/DC signal) from the positive to the
negative peak in relation to an external trigger signal. It is therefore a
super-energetic measurement variable which, in contrast to the RMS
value, is not directly associated with the signal energy.
♦ Cyclic peak-peak measurement is an optional signal path component
and as a configuration interface contains all the necessary parameters
for the setup.
♦ The physical unit for cyclic peak-peak measurement is determined by
the preceding components in the signal path, in particular through the
Sensor / Sensor(A/B) block.
♦ The result of the cyclic peak-peak value is updated after expiry of the
predefined number of averages.
♦ The behaviour of the cyclic peak-peak measurement over time is
determined by the rise time parameter.
♦ The current measured value can be distributed through an analogue DC-
output to downstream electronics.
♦ The cyclic peak-peak measurement can be monitored for limit violation
by one or more Monitor blocks.
♦ Cyclic peak-peak measurement is carried out during
monitoring of eccentric (deformed) shaft vibrations.
12.2 Parameters and setup ranges
12.2.1 Display parameters
♦ <Cyclic P-P value>
The parameter Cyclic P-P value displays the current measured value.
Cyclic P-P value Current measured value
♦ <Unit>
This parameter contains the unit for the DC value
Unit m/s², g, in/s², mm/s², in/s, µm, mils, eu, 1
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