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4 Using the Regenerative Power System
Programming the Output
Set the Output Priority Mode
Set the Output Voltageand Low Voltage Limit
Set the Output Current
Set the Slew Rate
Set the Output Resistance
Set the Output Bandwidth
Set the Output Turn-On/Turn-Off Mode
Enable the Output
SHOCK HAZARD, LETHAL VOLTAGES - Many models generate output voltages up
to 2,000 VDC! Ensure that all instrument connections, load wiring, load and sense
connections are insulated using high-voltage wire. Always attach the safety cover
provided, so that no accidental contact with lethal voltages can occur.
When the unit is first turned on, it may take about 30 seconds or so to initialize the
instrument before it is ready for use.
Set the Output Priority Mode
Select either voltage priority, current priority, or SAS operating mode. Refer to
Operation
for more information.
Voltage priority - this mode keeps the output voltage constant. The output voltage remains at its
programmed setting, provided the load current remains within the + or - current limit setting.
Current priority - this mode keeps the output current constant. The output current remains at its
programmed setting, provided the load voltage remains within the voltage limit setting.
SAS mode - selects solar array simulator operation. Refer to
details.
Front Panel Menu Reference
Select Output\Mode.
Select Voltage or Current priority. Then press Select.
When switching between modes, the output is turned off and the output settings
revert to their power-on or RST values.
98
Photovoltaic Simulator Operation
SCPI Command
To specify current or voltage priority mode:
FUNC CURR|VOLT
Keysight RP7970 & RP7980 Series Operating and Service Guide
Priority Mode
for
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