ABB RELION Series - Signals

4.2.7.6 Signals
Table 385: MFADPSDE Input signals
Name
Type Default Description
Io SIGNAL 0 Residual current
Uo SIGNAL 0 Residual voltage
BLOCK BOOLEAN 0=False Block signal for activating the blocking mode
RELEASE BOOLEAN 0=False External trigger to release neutral admittance
protection
RESET BOOLEAN 0=False External trigger to reset direction calculatio
Table 386: 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 indication
PEAK_IND BOOLEAN Current transient detection indication
4.2.7.7 Settings
Table 387: 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 388: MFADPSDE Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Operating quantity 1=Adaptive
2=Amplitude
3=Resistive
1=Adaptive Operating quantity selection
Min operate current 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
1MRS758755 A Section 4
Protection functions
REC615 and RER615 393
Technical Manual