User Manual

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6. Finally, enter a value for “Max Trip Current”, and then “Min Trip Current”. Press (enter) after each settings to
continue.
7. The load will prompt to “Save OCP File”. Select a number between 1 and 5. Then press
(enter) to save all settings to the selected location.
Note: At any time when conguring any parameters for the test, you can press the key to select the previous parameter
to edit.
To recall the settings:
1. Press ) and to enter the “OCP Test” menu. Select “Recall” and press
2. Use the keypad or knob to select the saved location number and press . All settings will be recalled when selecting
“Edit” from the “OCP Test” menu.
To run the OCP test:
1. Recall the settings from memory by following the steps above.
2. Then, from the “OCP Test” menu, select “Run” and press . The display will show the following:
Press (.)trig to start the test. When the test is running, “Run” will be indicated in place of “Stop”. When the test ends,
either “Pass” or “Fault” will appear next to “Stop”.
4. To stop the test at any time, press .
2 OPP Test Function
The load has a built-in OPP test function that can be used to automate testing for OPP conditions. The load can save
up to 5 OPP test programs into internal memory, which can be recalled and run.
The OPP Test program requires the following parameters be congured before it can be run.
“Voltage On Level” This is the minimum voltage level the load measures before the start of the test.
“Voltage On Delay” This is the delay time from when the “Voltage On Level” is reached to the actual start of the
test.
“Current Range” This species the current range of the test. All models have two current ranges, with the lower
range allowing for higher resolution. This value will also limit the maximum settings for other
parameters congured for the test program.
“Start Power” This is the starting power value when OPP test begins.
“Step Power” This is the size of the step power as the test runs from the “Start Power” to “End Power”. The
test will only run through in steps if the measured input voltage is greater than the “OPP
Voltage”. Otherwise, the test will end after running the “Start Power” for the amount of time
specied in Step
“Delay”.
The following is a step by step procedure to congure an OPP test program.
1. Press ) and to enter the “OPP Test” menu. The following will be displayed:
3 OPP TEST
DC load protection features include: OVP, OCP, OPP, OTP, reverse voltage protection (LRV/RRV).
4 Over Voltage Protection (OVP)
If input voltage exceeds the voltage limit set by the user, the DC load will turn the input OFF and the buzzer will sound.
The display will show OVP.