ABB Relion 620 Series - Page 516

Name Type Default Description
I_C1 Signal 0 Phase C primary cur-
rent
I_A2 Signal 0 Phase A secondary
current
I_B2 Signal 0 Phase B secondary
current
I_C2 Signal 0 Phase C secondary
current
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
BLK_OPR_LS BOOLEAN 0=False Blocks operate out-
puts from biased
stage
BLK_OPR_HS BOOLEAN 0=False Blocks operate out-
puts from instantane-
ous stage
Table 477: MPDIF Output signals
Name Type Description
OPERATE BOOLEAN Operate
OPR_LS BOOLEAN Operate from low set
OPR_HS BOOLEAN Operate from high set
INT_BLKD BOOLEAN Internal block status
4.3.1.7 Settings
Table 478: MPDIF Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Low operate value 5...30 %Ir 1 5 Basic setting for
the stabilized stage
start
High operate value 100...1000 %Ir 10 500 Instantaneous
stage operate value
Slope section 2 10...50 % 1 30 Slope of the second
line of the operat-
ing characteristics
End section 1 0...100 %Ir 1 50 Turn-point be-
tween the first and
the second line of
the operating char-
acteristics
End section 2 100...300 %Ir 1 150 Turn-point be-
tween the second
and the third line of
the operating char-
acteristics
Protection functions 1MRS757644 H
516 620 series
Technical Manual