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Set the Output Voltage
When the unit is in voltage priority mode, the output voltage remains at its programmed setting as
long as the load current remains within its programmed positive or negative limit.
Front Panel Menu Reference
Press the Voltage key.
Enter a value and press Select.
When the unit is in current priority mode, you can specify a voltage limit which limits the output
voltage at the specified value. The output current remains at its programmed setting, provided the
load voltage remains within the voltage limit setting.
Front Panel Menu Reference
Press the Voltage key.
Specify a + Voltage limit. Then press Select.
Set the Low Voltage Limit
Sets the low voltage limit when in current priority mode. This prevents the voltage from dropping
below the low voltage limit when discharging a battery. When the low voltage limit is reached, the unit
transitions from current priority mode to low voltage limit mode, which stops discharging the battery.
The low voltage limit is annunciated by the VL- status bit.
The low voltage limit also prevents the output from turning on when the output voltage is below the
programmed low voltage limit. If you need to turn the output on, you must first disable the low voltage
limit. Note that this feature is different from the
Front Panel Menu Reference
Press the Voltage key.
The Low Voltage Limit field only appears when the unit is set to
operate in Current Priority mode.
Specify the low voltage limit. Then check Enable (uncheck to
disable). Then press Select.
Set the Output Current
When the unit is in voltage priority mode, you can specify a positive and negative current limit, which
limits the output current at the specified value.
Front Panel Menu Reference
Press the Current key.
Specify a positive or negative Current limit.
Then press Select.
Keysight PV8900 Series Operating and Service Guide
4 Using the Photovoltaic Array Simulator
SCPI Command
To set the output voltage to 400 volts:
VOLT 400
SCPI Command
To set the voltage limit:
VOLT:LIM 420
under-voltage protection
SCPI Command
To set the low voltage limit:
VOLT:LIM:LOW 4
To enable the low voltage limit:
VOLT:LIM:LOW:STAT ON
SCPI Command
To set the positive current limit:
CURR:LIM 12
To set the negative current limit:
function.
CURR:LIM:NEG -3
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