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SOFTWARE SETUP
TRIGGER TIME & DATE
Display the time & date of the
Trigger
Display graph values
at the corresponding
cursor line. Cursor
lines are identified by
their colors.
Motor start data
logger
3–28
FILE NAME
Indicates the
file name and
complete path
CURSOR
(if saved)
LINES
To move lines locate the mouse pointer
over the cursor line then click and drag
the cursor to the new location.
7.
The method of customizing the datalog view is the same as the Waveform Capture
described below.
8.
The datalog can be set to capture another buffer by clicking on Run (when Continuous
mode is enabled), or by clicking on Release (when Continuous mode is disabled).
When a motor start status is detected by the 339 relay, a start data logger is triggered and
begins to sample and record the following parameters at a rate of 1 sample every 200ms:
•
True RMS values of the Phase A, B and C Currents (Ia, Ib, and Ic).
•
True RMS value of the Ground current (Ig).
•
Current Unbalance (%).
CURSOR LINE POSITION
Indicate the cursor line position
in time with respect to the
trigger time
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 3: INTERFACES
DELTA
Indicates time difference
between the two cursor lines
TRIGGER LINE
Indicates the
point in time for
the trigger
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