DSC ELECTRONICS DP-D Series Benutzerhandbuch - Seite 6
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DP-D Series User's Manual
Version 08.01.2019
5. Operation Instructions
Note: The DP-D power supply is manufactured with digital or analog control. The digital control is installed in devices
with digital connection (RS232, RS485, USB), all other devices are controlled analogously. There are generally two
differences in operation:
Analog control
- Press and hold the PRESET button
- No fine adjustment is possible by pressing the voltage regulator
Digital control
- Press the PRESET button to enter the values, press again to save the values.
- By pressing the voltage regulator fine adjustment of the output values is possible.
Caution: Always check that the output is switched off and the capacitors are discharged before connecting the load to
the power supply. The load can be connected either after or before the power supply is switched on - but always
before the output is switched on!
5.1 Device Check
NOTE: The device check should only be performed for troubleshooting purposes.
1. Make sure that the device is correctly connected to the power grid.
2. Please do not connect any loads to the power supply during self-test.
3. Turn on the power.
4. Press / Hold the PRESET button, set the current to maximum and the voltage to 0V.
5. Press the OUTPUT button to turn on the output of the power supply. The CV indicator lights up while the CC
indicator is off.
6. Now turn the voltage regulator to maximum, the display will show the maximum voltage.
7. Now switch off the output of the power supply by pressing the OUTPUT button again.
8. Press / Hold PRESET, set the current to minimum.
9. CAUTION: Check that the output is switched off.
10.Short the output of the power supply (Attention: the cable must be able to withstand the maximum power of the
power supply for at least 10 seconds.)
11.Switch on the output of the device again. The CC indicator lights up while the CV indicator is off.
12.Now increase the current to maximum. The maximum current is displayed.
Turn off the power supply's output, turn off the power, and disconnect all connection cables.
5.2 Voltage and Current (PRESET)
1. Turn on the power and check that the output is off.
2. Press / Hold the PRESET button, adjust the voltage and current.
3. Turn on the output by pressing the OUTPUT button.
5.3 CV Constant Voltage Operation
1. Turn on the power and check that the output is off.
2. Press / Hold PRESET and set the desired voltage and current limit.
4. Turn on the output by pressing the OUTPUT button.
5. The CV indicator lights up.
6. The power supply is now operating in constant voltage mode (CV).
The output voltage remains stable while the current is adjusted automatically. If the current exceeds the maximum
limit set, the power supply switches to CC mode and reduces the voltage not to exceed the maximum current limit.
DSC-Electronics Germany • Georgstraße 36 • 53111 Bonn
DSC-Electronics Germany • Georgstraße 36 • 53111 Bonn