Loading ...
Loading ...
Loading ...
18
Current Output Checkout
1. Turn on the power supply.
Press “Power-on” button and finish the power-on checkout. Usually the
power supply will go into the power-on / reset state automatically and
the “OFF” annunciator in the lower right corner of the LCD turns on.
Both the voltage value and current value are 0.
2. Connect a short across (+) and (-) output terminals of the supply with
an insulated test lead. The sectional area of the shorting stub should be
larger than 1.5mm
2
.
3. Enable the outputs.
Set the supply voltage to 5V according to the voltage setting measure.
Press the “OUT on/off” button, the display is in monitor mode. At the
same time a 5-digit voltmeter and a 5-digit ammeter are displayed,
showing the actual value of output voltage and output current of the
power supply respectively. The CV or CC modes depend on the
resistance of the test lead.
4. Adjust the voltage limit value to 1.0 V.
Adjust the voltage limit to 1.0 V to assure CC operation. Please see
related chapters about voltage and current setting from front panel in this
manual for specific operations.
5. Check that the front-panel ammeter properly responds to the key and
knob operations form the front panel.
Knob Checkout
When the output of the power supply is turned on and the display is in
monitor mode, press “Right” key to move the blinking digit to current
value displayed, and turn the knob clockwise or counter clockwise to
check if the current value displayed increases or decreases as current
changes.
Key Checkout
When the output of the power supply is turned on and the display is in
monitor state, press “ISET” and the current setting value is blinking.
Press the number keys on front panel directly to set current value needed.
Then press “ENTER” to verify and finish setting and go back to monitor
mode. This process is to check that the current value displayed responds
to the key operation correctly.
Loading ...
Loading ...
Loading ...