ABB REG670 Applications Manual page 627

1MRK 502 071-UEN -
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual
If the comparison should be done between two current magnitudes then those current
signals need to be connected to function inputs, INPUT and REF. Then the settings
should be adjusted as below,
EnaAbs = Absolute
RefSource = Input REF
EqualBandHigh = 5.0 % of reference value
EqualBandLow = 5.0 % of reference value.
Section 16
Logic
621