Warning Ensure you order the proper DC power supply model for the mains power that will be used for the DC power supply.
Ensure the correct AC input voltage and fuse settings
Use the proper switch settings
To change the input AC voltage selector on the power supply, use the two AC selector switches on the rear of the power supply as shown.
For example, to select 230 V, slide the red switch to the left.To select 100 V, slide the switch to the right.
Use the correct fuse You must use a time delay 5-A fuse for 110- and 115-VAC inputs, and a time delay 3.15-A fuse for 220- and 230-VAC inputs:
To configure the correct fuse, follow the three steps shown below: Pull the fuse holder out of the power supply.
Front Panel Operation Set voltage and currentNote If you are in a menu, you must exit the menu before setting the voltage. 1. Press knob to enter the voltage setup mode. 2. Turn this knob to the desired voltage value, pushing the knob to move between digits. 3. Press knob to enter the current setup mode.. 4. Turn this knob to the desired current value, pushing the knob to move between digits. 5. If the display currently shows OFF, press key to enable the output. Press this key again to turn the output off.
Constant voltage and constant current
If the output load resistance exceeds the voltage setting divided by the current setting, the power supply will operate in constant voltage mode. The current will equal the voltage divided by the load resistance. If the output load resistance is less than the voltage setting divided by the current setting, the power supply will operate in constant current mode. The voltage will equal the current multiplied by the load resistance.
Configure over-voltage protection (OVP)
1. Press key to enable or disable over-voltage protection. 2. Press and hold key to enter OVP Set mode. 3. Turn the voltage knob to the desired OVP limit value. Note If OVP is enabled, the OVP key light in white.
1. To begin, correct the condition that caused the OVP event. There are three ways to do this: a. Turn offOVP as described above. b. Set the voltage level to be less than the OVP level. You may be able to do this by adjusting the voltage knob. c. Set the OVP limit value to be above the voltage level. 2. Press [ON/OFF] key to clear.
Configure over current protection (OCP) 1. Press CP] key to enable or disable over current protection. 2. Press and hold CP] key to enter OCP Set mode. 3. Turn the current knob to the desired OCP limit value. Note If OCP is enabled, the OCP key light in green.
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