Initial Operation 2
Keysight E3633A and E3634A User’s Guide 45
Current output checkout
The following steps check basic current functions with a short across the power
supply’s output.
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 Connect a short across (+) and (-) output terminals with an insulated test
lead.
Use a wire size sufficient to handle the maximum current (See Table 7-1).
3 Enable the output
The OFF annunciator turns off and the 8V
[1]
or 25V
[2]
, OVP, and OCP
annunciators are lit. The CV or CC annunciator turns on depending on the
resistance of the test lead. 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.
4 Adjust the voltage limit to 1.0 volt
Set the display to the limit mode (the Limit annunciator will be blinking).
Adjust the voltage limit to 1.0 volt to assure CC operation. The CC annunciator
will turn on. To go back to normal mode, press the key again or let the
display time out for several seconds.
[1] For Keysight E3633A Model
[2] For Keysight E3634A Model
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