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6 Advanced Source, Measurement, and Control
When the input current reaches the current limit, the unit is no longer in constant voltage operation
and the input voltage is no longer held constant. Instead, the load module will now regulate the input
current at its current limit setting. A CL (current limit) status flag is set to indicate that a current limit
has been reached. If the input voltage increases until it exceeds 110% of the rated input voltage, the
overvoltage protection will trip and the output will turn off.
Power Priority Mode
In this mode, the load module will regulate the power being drawn from the DUT according to the
programmed constant-power value.
The load module regulates the input power by measuring the input voltage and current and adjusting
the input power based on data streamed from the measurement ADCs.
Power may be programmed in one of two overlapping ranges, a Low range and a High range. The low
range provides better programming and measurement resolution at low power settings.
The load modules have a built-in over-power protection function that will not let you exceed 110% of
the power rating of the load module (the Max Power Contour).
Resistance Priority Mode
In this mode, the load module will sink current proportional to the input voltage in accordance with the
programmed resistance.
Keysight N6705C User's Guide
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