Over Voltage Protection (Ovp) Calibration - Ametek Sorensen GPIB-XHR Operation Manual

Calibration

Over Voltage Protection (OVP) Calibration

Over Voltage Protection (OVP) Calibration
We recommend that you perform OVP calibration every six months. Connecting a
digital voltmeter as in
1. Disconnect all loads from the power supply.
2. Ensure that jumper J65 on the interface PCB is CLOSED to enable remote OVP
3. Activate calibration mode by sending command CMODE ON or CMODE 1 to
4. Send the command OVCAL to the power supply. The ADR LED will light
5. Use the OVSET, OVSET?, and VSET commands to trip the OVP level,
6. Turn off calibration mode by sending the command CMODE OFF or CMODE 0
54
"Voltage Calibration Setup"
calibration (Jumper J65 is closed at the factory). See for the location on the PCB
of jumper J65.
the power supply.
during OVP calibration. Calibration is complete when the ADR LED turns off.
This may take a few minutes.
confirming that the calibration was successful. When you trip the OVP level, the
red OVP LED will light and the voltage will drop to zero. Send the command
RST to clear the OVP condition. Refer to the OVP program accuracy
specification in Section
to the power supply.
1.
Operating Manual for GPIB for XHR/XFR Series Power Supply
is optional.