Chapter 3 Front-Panel Operation
Constant Voltage Operation
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Check that the Limit annunciator still blinks. Set the knob for voltage control. The
second digit of the voltmeter will be blinking. Change the blinking digit using the
resolution selection keys and adjust the knob to the desired output voltage.
6 Return to the meter mode.
Press key or let the display time-out after several seconds to return to the meter
mode. Notice that the Limit annunciator turns off and the display shows “OUTPUT
OFF” message.
7 Enable the output.
The OFF annunciator turns off and the 8V* (or 25V**) or 20V* (or 50V**), OVP, OCP
and
CV annunciators are lit. Notice that the display is in the meter mode. In the meter
mode, the display shows the actual output voltage and current.
Refer to “Programming Overvoltage Protection” and “Programming Overcurrent
Protection” sections, starting on
page 30 and page 34 for more information on OVP
and OCP annunciators.
8 Verify that the power supply is in the constant voltage mode.
If you operate the power supply in the constant voltage (CV) mode, verify that the
CV annunciator is lit. If the CC annunciator is lit, choose a higher current limit.
Note During actual CV operation, if a load change causes the current limit to be exceeded,
the power supply will automatically crossover to the constant current mode at the
preset current limit and the output voltage will drop proportionately.
• Remote interface operation:
CURRent {<current>|MIN|MAX} Set the current
VOLTage {<voltage>|MIN|MAX} Set the voltage
OUTPut ON Enable the output
1
You can use the resolution selection keys to move the blinking digit to the right or
left when setting voltage.
*For HP E3633A Model **For HP E3634A Model
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