Xantrex Technology APG-XT, APG-HPD Overvoltage Protection OVP, OVP Flag Setting OVP Trip Level

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Section 3. Operation

Overvoltage Protection (OVP)

Overvoltage Protection (OVP)

OVP Flag

Setting the

OVP Trip

Level

The OVP circuit is designed to protect the load in the event of a remote programming error, incorrect voltage control adjustment, or power supply failure. The protection circuit monitors the output and reduces the output voltage and current to zero whenever a preset voltage limit is exceeded. A red LED on the front panel indicates when the OVP circuit has been activated. Set the OVP trip level at the front panel.

When the OVP has been activated, a signal of nominal +10V through 10k will be present at pin J5-1. When no OVP condition exists, this signal will be 0V.

1.Turn the power supply OFF.

2.Insert a small, flat-bladed screwdriver through the OVP ADJ (OVP Adjust) hole in the front panel to turn the adjusting screw fully clockwise (one-turn screw).

3.Turn the unit ON and set the output to the desired trip voltage.

4.Slowly turn the adjusting screw counterclockwise until the red OVP indicator lamp lights.

5.Turn the POWER switch to OFF.

6.Turn the voltage control knob to minimum.

7.Turn the POWER switch back ON and increase the voltage to check that the power supply shuts off the output at the set voltage. Reference to J5 connector pin 6 (auxiliary ground).

8.Reset the OVP circuit after activation by removing the overvoltage condition and powering the unit OFF and back ON, or, by momentarily activating the TTL remote shut down circuit. See “TTL Shutdown” for information about shut down circuit operation.

Release 1.0

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Contents APG-XT APG-HPD Page Operating Manual for How do you get service? Limited WarrantyWhat does this warranty not cover? Disclaimer Product Release Release 1.0 Information About Your Power SupplyPower Supply Safety Manual Revisions Main SectionsAbout This Manual Contents Contents Specifications FeaturesDescription Features and Specifications Initial Inspection IntroductionFront panel ConfiguringRear Panel Rear Panel Switch S1 DefaultsJ5 Connector Pin Assignments Rear Panel J5 ConnectorAPG Interface Calibration Adjustment Locations Calibration AdjustmentInstallation and Configuration Programming Output Voltage with Remote ProgrammingOperation + R B Readback and Status Indicators Overvoltage Protection OVP OVP Flag Setting OVP Trip LevelTTL Shutdown Tracking Master/Slave Tracking ConfigurationOperation Page Xantrex Technology Inc

APG-HPD, APG-XT specifications

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