Newtons4th PPA15 Series, Руководство для стартапов

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PPA45xx Quick User Guide
Page 43
Results
Phase 1 on the PPA display indicates the Frequency and RMS voltage levels of
the signal being monitored.
Phase 2 indicates the voltage present on the Analogue Output connector on the
rear of the PPA.
Phase 3 is not used.
Example 1.
The Input signal frequency was set to 50.5Hz.
The frequency displayed on the PPA was 50.512Hz.
Analogue Output = 10V x (measured – zero) / (full scale – zero)
Analogue Output = 10V x (50.512 – 50) / (52-50) = 2.56V
Example 2.
The Input signal frequency was set to 51.5Hz.
The frequency displayed on the PPA was 51.508Hz.
Analogue Output = 10V x (measured – zero) / (full scale – zero)
Analogue Output = 10V x (51.508 – 50) / (52-50) = 7.54V