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10 Calibration
10.4 Calibrating the Measuring Voltage Input of Neutral Conductor VN
209
SICAM MMU 7KG9663, Device Manual
E50417-H1040-C514-A3, Edition 01.2016
✧
Switch on the reference voltage AC 63.5 V at the measurement setup.
✧
Click the
Maintenance
tab on the User Interface.
The
Maintenance
tab opens.
✧
Click the
AC Calibration
element in the navigation window.
The
AC Calibration
input/output window opens.
Fig. 10-9
Calibrating the Neutral Voltage in the Neutral Conductor
✧
Check which measuring range is presently used in the input/output window at
Actual measuring range
is: 63.5 V / 1 A
.
✧
Enter the maintenance password into the
Password
field.
✧
Enter the reference voltage 63.5 V that is generated by the measurement setup into the
Neutral voltage
field.
✧
Click the
Calibrate neutral
button.
The device executes the calibration and the lower field of the input/output window automatically displays
the updated calibration date.
✧
Check the calibrating values in the
Value View
tab
→
AC operational values
.
✧
Carry out the calibration for the voltage measurement ranges AC 110 V, AC 230 V and AC 400 V in
accordance of the described work steps.
NOTE
This calibration is only possible if
no
is selected in the
Configure
tab
→
AC measurement
→
Calculate VN
option field, see chapter 7.3.3.1.1.
SICAM-MMU_7KG9663_US.book Page 209 Monday, December 7, 2015 12:22 PM