Advanced Enervista 239 Setup Features; Trending - GE 239 Instruction Manual

6.5

Advanced EnerVista 239 Setup Features

6.5.1

Trending

6–88
Courtesy of NationalSwitchgear.com
Trending from the 239 is accomplished via EnerVista 239 Setup. Many different
parameters can be trended and graphed at sampling periods from 1 second up to 1 hour.
The parameters which can be trended by EnerVista 239 Setup are:
• Currents: phase currents A/B/C; motor load (% FLC); current unbalance (%); ground
current
• Thermal capacity used (%).
To use the Trending function,
Run the EnerVista 239 Setup software and establish
communications with a connected 239 unit.
Select the Actual Values > Trending > Trending menu item to open
the Trending window.
MODE SELECT
Select one of these buttons
to view Cursor Line 1, 2, or
Delta (difference) values for
the graph,
TRENDING SELECTION
Select the desired graphs to view
BUTTONS
Print, Setup (to edit graph
attributes) Zoom In, Zoom Out.
CURSOR LINES
To move lines, move mouse pointer over the
cursor line. Click and hold the left mouse button
and drag the cursor line to the new location.
FIGURE 6–2: Trending View
239 MOTOR PROTECTION RELAY – INSTRUCTION MANUAL
CHAPTER 6: User Interface
WAVEFORM
The trended data from the
239 relay