Rockwell Automation 9307 FactoryTalk EnergyMetrix - Manual (Page 170)

FactoryTalk EnergyMetrix Software
170
 Download Button
This downloads configuration settings from the database to the power monitor. After
downloading, click OK to save the configuration and close the Device Configuration
window.
Voltage/Current Tab
This displays and sets operating parameters, including wiring mode, and current and
voltage scaling (PT and CT ratios), for an Allen-Bradley PowerMonitor 5000 unit.
 Metering mode option
From the list, select the mode that represents the power monitor wiring configuration.
An incorrect setting will cause the power monitor to calculate incorrect values.
 Real time update rate option
This controls how fast the power monitor updates measured values and how many
cycles are averaged to provide results with less variation.
 Nominal system frequency option
Select 50 or 60 Hz
 Voltage PT and VN PT option
 Primary. Enter the first value from 1…10,000,000 for the PT (potential
transformer) ratio (XXX:XXX), indicating the voltage rating at the high end of
the transformer.
 Secondary. Enter the second value from 1 to 600 for the PT ratio (XXX:XXX),
indicating the voltage rating at the low end of the transformer. This value also
determines whether the master module uses high or low voltage input signals.
 Current CT and Neutral Current I4 CT
 Primary. Enter the first value from 1…10,000,000 for the CT (current
transformer) ratio (XXX:XXX), indicating the current rating at the high end of the
transformer.
 Secondary. Enter the second value from 1…5 for the CT ratio (XXX:XXX),
indicating the current rating at the low end of the transformer.
 Nominal system voltage
Enter a value that represents the nominal voltage of the system. This parameter is used
in the metering functions and in conjunction with voltage sag and swell functions.