GE Industrial Solutions EntelliGuard TU Trip Units - Manual (Page 52)

EntelliGuard TU Trip Units: UL/ANSI Models DEH-4567B
Event Messages
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SECTION 6. EVENT MESSAGES
The EntelliGuard Trip Unit maintains up to 10 event records.
These records can be accessed from the front panel by
selecting the EVENT menu item and scrolling through the
available event records. The EntelliGuard Setup Software
will also allow event retrieval and viewing via serial
communications.
Once the event log contains 10 events, new events will
overwrite the oldest stored event.
The trip unit will record event information for any of the
following:
• Long Time Trip
• Short Time Trip
• Instantaneous Trip
• Ground Fault
Summation Trip
• Ground Fault CT Trip
• Unrestricted Earth Fault
Trip
• Restricted Earth Fault
Trip
• Standby Earth Fault Trip
• Power Reversal Trip
• Voltage Unbalance Trip
• Undervoltage Trip
• Current Unbalance Trip
• UVR Accessory Trip*
• Shunt Accessory Trip*
• Remote Close *
• Overtemperature
• RELT Trip
* EntelliGuard G only: Accessory Trip Events require optional Accessory
signaling contacts.
LONG TIME TRIP EVENT MESSAGES
What this shows:
The main window shows that the cause of the latest trip
was due to LT, and the fault current level was 485A.
The Event window provides additional detail:
Tripping phase, the total number of LT trips recorded by the
trip unit, the fault current, and the date & time of the fault.
Viewing the event log clears the event display on the main
window.
SHORT TIME TRIP EVENT MESSAGES
Press and hold the UP & DOWN buttons
simultaneously while viewing an event
to clear the event log