Chapter 3 Front-Panel Operation
Constant Voltage Operation
36
Constant Voltage Operation
To set up the power supply for constant voltage (CV) operation, proceed as
follows.
1 Connect a load to the desired output terminals.
With power-off, connect a load to the desired output terminals.
2 Turn on the power supply.
The power supply will go into the
power-on / reset
state; all outputs are
disabled (the
OFF
annunciator turns on); the display is selected for the +
6V
supply (the
+6V
annunciator turns on); and the knob is selected for
voltage
control.
3 Enable the outputs.
The
OFF
annunciator turns off and the
+6V
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.
To set up the power supply for +25V supply or -25V supply operation,
you should press the
or
key to select the display and adjust
for +25V supply or -25V supply before proceeding to the next step.
4 Set the display for the limit mode.
Notice that the
Lmt
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 selected supply.
In constant voltage mode, the voltage values between the meter mode and
limit mode are the same, but the current values are not. Further 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.
+25V
-25V
Power
Display Limit
Output On/Off
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