Digital Fault Recorder Menu - GE D90 Plus Instruction Manual

CHAPTER 4: INTERFACES

Digital fault recorder menu

PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
The digital fault recorder menu provides access to various records stored within the
Plus
D90 , including sequence of events, fault report, transient records, and disturbance
records. The status of each function is displayed on the summary page.
• A green indicator indicates that the function is enabled and more than 20% of the
memory is available.
• A yellow indicator indicates that the available memory is between zero and 20%.
• A red indicator indicates that the memory is full.
If the function is configured for protected mode then the enabled indicator will also switch
to red indicating that new records will be captured. If the function is configured for
automatic overwrite, then the element will overwrite old records and the enabled LED will
remain green.
For additional details on the indicators for the fault report, transient recorder, and
disturbance recorder, see Digital fault recorder
Figure 48: Digital fault recorder - example summary page
The sequence of events record can be accessed from this page. Using the navigations
keys, the user can scroll or page through the events list. Two cursors are provided for
measurement of the time difference between events.
Figure 49: Example sequence of events record
Principal fault information measured by D90
recorder menu.
FRONT PANEL OVERVIEW
on page 489.
Plus
can also be accessed from the digital fault
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