GE Power Management
469 Motor Management Relay
8-11
8 469 PC SOFTWARE
8.3 USING 469PC
8
8.3.7 TRENDING
Trending from the 469 can be accomplished via the 469PC software. Many different parameters can be
trended and graphed at sampling periods ranging from 1 second up to 1 hour.
The parameters which can be Trended by the 469PC software are:
Currents/Voltages:
Phase Currents A, B, and C
Average Phase Current
Motor Load
Current Unbalance
Ground Current
Differential Currents A, B, and C
System Frequency
Voltages Vab, Vbc, Vca Van, Vbn & Vcn
Power:
Power Factor
Real Power (kW)
Reactive Power (kvar)
Apparent Power (kVA)
Positive Watthours
Positive Varhours
Negative Varhours
Temperature:
Hottest Stator RTD
Thermal Capacity Used
RTDs 1 through 12
Demands:
Current
Peak Current
Reactive Power
Peak Reactive Power,
Apparent Power
Peak Apparent Power
Others:
Analog Inputs 1, 2, 3, and 4
Tachometer
1.
With 469PC running and communications established, select the Actual > Trending menu item to open
the trending window.
2.
Click Setup to enter the Graph Attribute page.
3.
Select the graphs to be displayed through the pull-down menu beside each Description. Change the
Color, Style, Width, Group#, and Spline selection as desired. Select the same Group# for all parameters
to be scaled together.
4.
Click Save to store the graph attributes and OK to close the window.
Figure 8–6: GRAPH ATTRIBUTE PAGE