2Quick Start
34 Keysight E3633A and E3634A Service Guide
To Use the Power Supply in Constant Voltage Mode
To setup the power supply for constant voltage (CV) operation, proceed as
follows.
For each step, use the keys shown on the left margin.
1 Connect a load to the output terminals
With the power-off, connect a load to the (+) and (-) output terminals.
2 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. Press
[1]
or
[2]
key to operate the power supply in the 20V/
10A* or 50V/4A** range before proceeding to the next step. The 20V
[1]
or
50V
[2]
annunciator turns on.
3 Set the display to the limit mode
Notice that the Limit annunciator blinks, indicating that the display is in the
limit mode. When the display is in the limit mode, you can see the voltage and
current limit values of the power supply.
[1] For Keysight E3633A Model
[2] For Keysight E3634A Model
In constant voltage mode, the voltage values between the meter and limit
modes are the same, but the current values are not. Moreover, if the display is in
the meter mode, you cannot see the change of current limit value when
adjusting the knob. We recommend that you should set the display to “limit”
mode to see the change of current limit value in the constant voltage mode
whenever adjusting the knob.
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