SECTION 7: CONNECTORS, APPLICATIONS & PROTECTION FEATURES
Entire Contents Copyright
2014 by Adaptive Power Systems, Inc. (APS) • All Rights Reserved • No reproduction without written authorization from APS.
42L Series Modular DC Load Operation Manual
Page 54 of 88
KEY# Description
3.
START/STOP Test key. Press START/STOP key to start or stop the OCP when the OCP test
function is enabled.
The Load will go to the “ON” state automatically when the “START/STOP” key is pressed
and start the OCP test. The load will return to the “OFF” state automatically when the
“START/STOP” key is pressed to stop the OCP test. The load will remain in the “ON” state if
the load was “ON” before OCP test execution.
The OCP test function tests the UUT’s over current protection function. The OCP test will
start sinking current from I-START and increase by ISTEP current until the UUT’s output
voltage drops below the threshold voltage(V-th setting), and the OCP trip point is between
the A_Hi and A_Lo limit settings. The lower 5- digits LCD display will shows "PASS",
otherwise it will show "FAIL".
Press any key to return to normal mode LCD display.
20
OPP key and LED Functions
1.
OPP test function Enable/Disable Key. Press the “OPP” key to enable the OPP test function
and the indicator LED will be lit. The LCD display show “OPP” on the left LCD display, shows
“PRESS” on middle 5-digit LCD display and shows “START” on the lower 5-digit LCD display.