ABB Relion 620 Series - Page 499

Name Type Default Description
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
RELEASE BOOLEAN 0=False External trigger to re-
lease neutral admit-
tance protection
RESET BOOLEAN 0=False External trigger to re-
set direction calcula-
tion
Table 469: MFADPSDE Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
BLK_EF BOOLEAN Block signal for EF to indicate
opposite direction peaks
INTR_EF BOOLEAN Intermittent earth-fault indi-
cation
PEAK_IND BOOLEAN Current transient detection
indication
4.2.8.7 Settings
Table 470: MFADPSDE Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Directional mode
2=Forward
3=Reverse
2=Forward Directional mode
Voltage start value 0.01...1.00 xUn 0.01 0.10 Voltage start value
Operate delay time 60...1200000 ms 10 500 Operate delay time
Table 471: MFADPSDE Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Operating quantity
1=Adaptive
2=Amplitude
1=Adaptive Operating quantity
selection
Min operate cur-
rent
0.005...5.000 xIn 0.001 0.010 Minimum operate
current
Tilt angle 2.0...20.0 deg 0.1 5.0 Characteristic tilt
angle
1MRS757644 H Protection functions
620 series
Technical Manual
499