Quick Start 2
Keysight E3633A and E3634A Service Guide 31
To Check the Rated Voltages of the Power Supply
The following procedures check to ensure that the power supply produces its
rated voltage output with no load and properly responds to operation from the
front panel.
For each step, use the keys shown on the left margins.
1Turn on the power supply
The power supply will go into the power-on / reset state; the output is disabled
(the OFF annunciator turns on); the 8V/20A
[1]
or 25V/7A
[2]
range is selected
(the 8V
[1]
or 25V
[2]
annunciator turns on); and the knob is selected for voltage
control.
2 Enable the outputs.
The OFF annunciator turns off and the 8V
[1]
or 25V
[2]
OVP, OCP, and CV
annunciators are lit. The blinking digit can be adjusted by turning the knob.
Notice that the display is in the meter mode. “Meter mode” means that the
display shows the actual output voltage and current.
3 Check that the front-panel voltmeter properly responds to knob control for
the 8V/20A
[1]
or 25V/7A
[2]
range.
Turn the knob clockwise or counter clockwise to check that the voltmeter
responds to knob control and the ammeter indicates nearly zero.
4 Ensure that the voltage can be adjusted from zero to the full rated value.
Adjust the knob until the voltmeter indicates 0 volts and then adjust the knob
until the voltmeter indicates “8.0 volts”
[1]
or “25.0 volts”
[2]
[1] For Keysight E3633A Model
[2] For Keysight E3634A Model
You can use the resolution selection keys to move the flashing digit to the right
or left when setting the voltage.
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