Keysight E3633A, User Manual

Page: 43 / 205

Initial Operation 2
Keysight E3633A and E3634A User’s Guide 43
Output Checkout
The following procedures check to ensure that the power supply develops its
rated outputs and properly responds to operation from the front panel. For
complete performance and verification tests, refer to the Service Guide.
For each step, use the keys shown on the left margins.
Voltage output checkout
The following steps verify basic voltage functions with no load
1 Turn 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