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