ABB GPS2436 User Manual page 64

Front Panel Display Meter Calibration
Using a calibrated digital voltmeter, measure the plant voltage from the front panel test jacks.
Follow these steps to calibrate the front panel meter display for Voltage and Current readings:
Action for Voltage Calibration
Step
Using the Meter Calibration Menus, reset the plant voltage reading by selecting RESET VOLTAGE. Press
the Enter key to reset the voltage.
1.
This will remove any pre-existing user calibrated values if they exist.
Wait at least 5 seconds and press the ESCAPE key.
2.
Select CALIBRATE VOLTAGE. Use the Arrows, and UP/DOWN keys to
3.
calibrate the system voltage. Press ENTER to save.
The controller will not allow changes greater than +/- 0.5V of the
NOTE:
displayed voltage.
Press the <ESCAPE> key until the default screen is displayed. Verify
4.
that the plant voltage reading now agrees with the calibrated DVM.
The DVM reading will be the one to change since Rectifier Manager will adjust rectifier outputs as
NOTE:
necessary per the calibration performed.
Page 64
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