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2 CALCULATION OF SETTINGS
2.3 PROTECTION SETTINGS
2025: CONFTRIP - Initiate Three Pole Trip
The CONFTRIP setting allows tripping to be initiated through the trip output contacts that are used by the scheme logic.
CONFTRIP can be driven by any one of the functions as described by an index number provided in the Tables at the end of
this section, or separate logic can be designed using the Xpression Builder program.
2026: CONFOSC - Trigger Oscillography
The CONFOSC setting allows oscillography data capture to be initiated by the operation of selected signals within the
2
ALPS logic, or via external input through a contact converter. Regardless of the setting of CONFOSC, oscillography data
capture will always occur when the ALPS issues a trip output. Care should be taken to ensure that the signals chosen; if
one of the selected triggers can operate frequently, trip oscillography data may be overwritten and lost. CONFOSC can be
driven by any one of the functions as described by an index number provided in the Tables on pages 2–51 to 2–52, or sep-
arate logic can be designed using the Xpression Builder program.
GE Power Management
ALPS Advanced Line Protection System
2-47
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