Constant Voltage Operation - Chroma 62000L Series User Manual

Programmable DC Power Supply 62000L Series User's Manual
 The display presents operating status and error codes for the power supply. For example,
when an error occurs, the
please refer to "2.4.4 Display Check."
3.1

Constant Voltage Operation

Constant voltage (CV) operation, using the front panel or through remote control, is reviewed
below.
Front Panel Operation:
1. Connect a load to the output terminals: Before turning the power on, connect a load to
the + and – output terminals.
2. Initial turn on of the power supply: When the power supply is first turned on, it disables
the output.
3. Set the limit mode: When the Limit lights up on the display by pressing the
the limit mode is entered. You can see the voltage and current limit values on the display.
Note Under the constant voltage mode, the voltage values between the meter and the
limit mode are identical. In addition, if the display is under the meter mode, you
are not able to see the change in the current limit value when adjusting the knob.
Therefore, to see the change in the current limit value in the constant voltage
mode, enter the limit mode.
4. Use the knob to set the desired current limit: Press the
and set the knob to current control by pressing the
digit of the ammeter flashes. You can change the flashing cursor using the
buttons, and adjust the value to the desired current limit by turning the knob. The limit
setting is disabled and the Limit on the display extinguishes in 5 seconds without any
operations.
5. Use the knob to set the desired voltage limit: Press the
and set the knob to voltage control by pressing the
second digit of the voltmeter flashes. You can change the flashing digit using the
buttons, and adjust the value to the desired output voltage. The limit setting is disabled
and the Limit on the display extinguishes in 5 seconds without any operations.
6. Get back to the meter mode: Press the
several seconds to get back to meter mode.
7. Enable the output: The
button. Then, OVP, OCP, and CV light up. The display goes into the meter mode. Under
this mode, the display shows the actual output voltage and current.
8. To make sure that the power supply is under the constant voltage mode: If you
operate the power supply under the constant voltage (CV) mode, make sure that the CV
on the display is lit. If the CC on the display is lit, please select a higher current limit.
Note 1. To use the control knob to set a desired voltage and current limit, you can use
the 
2. If a load change during actual CV operation causes the current limit to be
exceeded, the power supply will automatically adjust the constant current,
and the output voltage will drop in proportion.
3. When the VA value from setting the meter mode or the limit mode exceeds
the rated power like 108W on the 62010L-36-7, or 150W on the 62015L-60-6,
the limit signal on the display will flash until you decrease the voltage or the
current in order to set the power lower than the rated value.
3-2
ERR symbol will light up on the display. For more information,
OFF symbol on the display is turned off by pressing Output
or  buttons to move the flashing cursor to a desired location.
button on the front panel
Limit
button. The cursor under the first
V/A
Limit
button. The cursor under the
V/A
button or let the display time-out after
Limit
button,
Limit
 or 
button on the front panel
 or 