measurement functions (CVMMXN, CMMXU,VMMXU, etc.)
which shall be fed by preprocessing blocks with cycle 8.
When two or more preprocessing blocks are used to feed one
protection function (e.g. over-power function GOPPDOP), it is of
outmost importance that parameter setting DFTReference has the
same set value for all of the preprocessing blocks involved
Section 23 1MRK 502 071-UEN -
Basic IED functions
732 Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual