VC-6000
TM
Compact monitor Part C Peak-peak measurement
- 38 - C100583.002 Components Vers. 07 © VC-6000
TM
Compact monitor Sept. 2011
11 Peak-peak measurement
11.1 Function
♦ The peak-peak value describes the largest dynamic excursion of a
vibration signal (AC or AC/DC signal) from the positive to the negative
peak. Thus it is a dynamic measurement variable which, in contrast to
an RMS value, is not directly linked in any way to the signal energy.
♦ The peak-peak measurement is an optional signal path component. As
a configuration interface, it also contains a group of parameters
necessary for the setting.
♦ The physical unit for peak-peak measurement is determined through the
preceding components in the signal path, in particular through the
sensor / Sensor(A/B) block.
♦ During the progress of the measurement the result of the peak-peak
value is updated without any time delay.
♦ The time behaviour of peak-peak measurement is determined by the
adjustable parameters ‚rise time’ and ‚decay time’.
♦ The current measured value can be read through the User Terminal.
♦ The current measured value can also be read through the analogue DC-
output by downstream electronic equipment.
♦ The current measured value can also be read through the COM-
interface of a downstream OPC-server.
♦ The peak-peak measurement can be monitored for speed limit violations
through one or more Monitor blocks.
♦ The peak-peak measurement result is a supplement to the measure-
ment High-peak (peak value in the positive voltage direction) and Low-
peak (peak-value in the negative voltage direction).
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