CHAPTER 4
OPERATING INSTRUCTIONS
Entire Contents Copyright 2004 by Adaptive Power Systems, Inc. (APSI) • All Rights Reserved • No reproduction without written authorization from APSI.
APS-1000 Series 4 - 23 OM-001-01000-000-04.0
Output Voltage Below Limit. If the output voltage is lower than the voltage setting by
more than 5V on the 0-150V range or 10V on the 0-300V range, the FREQUENCY display
will show LVP (Under Voltage Protect); an alarm will sound; the FAIL LED will flash; the
PROTECT LED will light; and the VOLTAGE and CURRENT displays will show the
corresponding values at the time of over-voltage.
Output Power Limit Exceeded. If the output power exceeds 125% of the rated output for
0.3 seconds or 110% of the rated output for 1.0 seconds the FREQUENCY display will show
OPP (Over Power Protect); an alarm will sound; the OUTPUT/RESET LED will flash; and the
VOLTAGE and CURRENT displays will show the corresponding values at the time of over-
power.
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