4–34 489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 4: INTERFACES
Z Click on the Save to File button to save the selected waveform to the
local PC.
A new window will appear requesting for file name and path.
The file is saved as a CSV (comma delimited values) file, which can be viewed and
manipulated with compatible third-party software.
To view a previously saved file,
Z Click the Open button and select the corresponding CSV file.
To view the captured waveforms,
Z Click the Launch Viewer button.
A detailed Waveform Capture window will appear as shown below:
FIGURE 4–6: Waveform Capture Window Attributes
The red vertical line indicates the trigger point of the relay.
The date and time of the trigger is displayed at the top left corner of the window. To match
the captured waveform with the event that triggered it,
Z Make note of the time and date shown in the graph.
Z Find the event that matches the same time and date in the event recorder.
The event record will provide additional information on the cause and the system
Display graph values
at the corresponding
cursor line. Cursor
lines are identified by
their colors.
CURSOR
LINES
To move lines locate the mouse pointer
over the cursor line then click and drag
the cursor to the new location.
DELTA
Indicates time difference
between the two cursor lines
TRIGGER LINE
Indicates the
point in time for
the trigger
FILE NAME
Indicates the
file name and
complete path
(if saved)
TRIGGER TIME & DATE
Display the time & date of the
Trigger
VECTOR DISPLAY SELECT
Click here to open a new graph
to display vectors
CURSOR LINE POSITION
Indicate the cursor line position
in time with respect to the
trigger time
Courtesy of NationalSwitchgear.com
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