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Emerson DeltaV A6500LC One Year Warranty
Reversal of the current direction during the activation phase can lead to hyper functions. This mainly
applies to installations where parallel connected lines are monitored by current relays with directional
feature. For this reason the directional determination for the phase current is shown in a time
window; this applies to all SR versions. In case of activation due to a fault, a timer is started and
measures the time in the determined direction for max. 1 s. This timer runs backwards at half
speed if, during the activation phase, a fault causes reversal of the direction
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