3 Remote Interface Reference
128 E364xA User’s and Service Guide
CALibration:VOLTage:PROTection
Calibrate the overvoltage protection circuit of the power supply. It takes about
10 seconds to execute the command. The calibration must be unsecured and
the output be opened before calibrating the overvoltage protection circuit. The
power supply automatically performs the calibration and stores the new
overvoltage constant in nonvolatile memory. Notice that voltage calibration
precedes before sending this command.
Calibration example
1 Select the output to be calibrated and enable the output of the power supply
by sending the commands:
2 Disable on the voltage protection function.
3 Unsecure the power supply with the security code before calibration.
4 For voltage calibration, connect a digital voltmeter (DVM) across the power
supply’s output terminals.
5 Set the power supply to the low-end (MIN) calibration point.
6 Enter the reading you obtained from the DVM.
7 Set the power supply to the middle (MID) calibration point.
INST:SEL {OUT1|OUT2}
OUTP ON
VOLT:PROT:STAT OFF
CAL:SEC:STAT OFF, ‘<code>’
CAL:VOLT:LEV MIN
CAL:VOLT:DATA 0.549
CAL:VOLT:LEV MID
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