Calibration and Troubleshooting
7-16 M370430-01 Rev B
Calibration Procedure for Isolated Modes
The main output and the non-isolated mode must be calibrated first.
Isolated Voltage Monitoring Calibration
Important: For maximum accuracy at a specific APG level, follow the
calibration procedure again but use the intended operating voltage level in steps
3 and 8.
To calibrate the isolated voltage monitoring:
1. Disconnect the load and connect the voltmeter to the output.
2. Connect the voltmeter to the isolated voltage monitoring
output lines (J3.5 - J3.6).
3. Set the Voltage APG level to 4 V. The SCPI command is:
SYST:COMM:APR:LEV 4
4. Set the input source to local for voltage analog programming.
The SCPI command is:
SYST:REM:SOUR LOC
5. Set the main output voltage to 100% by sending the
command:
SOUR:VOLT <ModelVolt>
or use the rotary adjust/Enter control.
6. Turn the main output to On by pressing the OUTPUT
ENABLE Main button on the front panel or send the
command:
:OUTP ON
The OUTPUT ENABLE Main button will illuminate.
7. Enter the interactive calibration mode by sending the SCPI
command:
CAL:MON:ISOL
8. Press the terminal keys - or + to reduce or increase the
monitoring value. Adjust the monitoring value displayed on
the voltmeter that was setup in Step 1 to read as close as
possible to 4.000 V.
9. Press any key other than the + or - keys to exit from
interactive calibration mode.
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