Constant Current Operation - Delta D750 User Manual

User Manual
D750
DC Power Supply
If after completing the adjustment, the display shows a different value than the setting,
the power supply may be at current limit. Check the load condition and the power
The maximum and minimum setting values of the output voltage are limited by the
Over Voltage protection and Under Voltage limit setting. Refer to Sec. 3.2.3 and 3.2.4

3.2.2.2 Constant Current Operation

1. In constant current mode, the power supply regulates the output current at the selected
value, while the voltage varies with the load requirement.
2. While the power supply is operating in constant current mode, the CURRENT LED on
the front panel illuminates.
3. Adjustment of the output current limit can be made when the power supply output is
enabled (Output On) or disabled (Output Off).
-Disabled output (Off): Press PREV button and then rotate the Current encoder knob.
The CURRENT meter will show the programmed current limit for 5 seconds after the
adjustment has been completed. Then the VOLTAGE meter will display "OFF".
-Enabled output, power supply in Constant Voltage mode: Press the PREV button
and then rotate the CURRENT encoder knob. The CURRENT meter will show the
programmed current limit for 5 seconds after the adjustment has been completed, and
then will return to show the actual load current.
-Enabled output, power supply in Constant Current mode: Rotate the CURRENT
encoder knob to adjust the current limit.
4. Adjustment resolution can be set to Coarse or Fine adjustment. Press the FINE button
to select between the Coarse and Fine resolution. The FINE LED turns On when the
resolution is set to FINE.
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NOTE
supply current limit setting.
NOTE
for more details.
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