Sequoia / Tahoe Series User Manual California Instruments
M447352-01 REV-A 185
Figure 5-143. Voltage Protection Settings
PHASE NUMBER Programs the output phase configuration: One-Phase or
Three-Phase; the default is Three-Phase.
Figure 5-144. Phase Number Settings
WAVEFORM Selects the waveform for the output voltage. Available settings
are the three standard waveforms, SINE, SQUARE, and CLIP;
or, user-defined waveforms; the default is a sine wave.
The standard waveforms are always available, and do not
consume any of the user-defined waveform memory registers;
they are always displayed in the waveform list. The clipped-sine
waveform has a waveform where the peak amplitude of the
positive and negative alternation is clipped (flattened
appearance). The level of clipping is dependent on the amount of
harmonic distortion present in the output waveform. An additional
programmable parameter, CLIP % THD, is available for setting
the percentage of total harmonic distortion (THD); the range is 0-
43%.
The user-defined waveforms can be selected from up to fifty
waveforms in one of four groups (groups 0 to 3, totaling 200
waveforms). The waveform group that is active at the power-on
of the unit could be selected with the SCPI command,
PONSetup:WGRoup <n>, through the digital interface. For
information on generating user-defined waveforms and their
selection, refer to the Sequoia Series Programming Manual P/N
M447353-01 or the Sequoia Virtual Panels GUI; refer to AMETEK
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