User Manual – Rev BE AMETEK Programmable Power
MX Series 116
4.2.5 MEASUREMENTS Screens
The MX Series uses a DSP based data acquisition system to provide extensive
information regarding the output of the Source. This data acquisition system
digitizes the voltage and current waveforms and calculates several parameters
from this digitized data. The result of these calculations is displayed in a series
of measurement data screens. The actual digitized waveforms can also be
displayed by selecting the Harmonics/Trace Analysis screen. A total of four
measurement screens are used to display all this information (3Pi controller
only).
Figure 4-10: MEASUREMENTS Screen, Single Phase and Three Phase Modes
The first three Measurement screens available on the MX Series are not menus
in that no changes can be made anywhere. Instead, these three screens provide
load parameter readouts. The fourth measurement screen provides access to
the advanced measurements and does offer several user accessible fields (Pi
controller only). The measurement screens can be reached by successively
pressing the MEAS key, which will toggle to all four available screens.
In three-phase mode, measurements are available for each phase individually.
To select the desired phase, use the PHASE key to toggle through phase A, B, C,
or ABC. The ABC mode displays the data for all three phases simultaneously.
The following parameters are available in the first three measurement screens:
Entry Description
MEASUREMENT 1
VOLTAGE When in AC or AC+DC mode, this value is the true rms
output voltage measured at the voltage sense lines. In
DC only mode, the voltage is the DC voltage including
polarity.
CURRENT When in AC or AC+DC mode, this value is the true rms
output current drawn by the load. In DC only mode, the
current is the DC current including polarity
FREQ When in AC or AC+DC mode, the output frequency is
measured at the sense lines. When in DC only mode,
this value always reads “DC”.
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