Settings - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.1.4.9
Table 143: 51N/G Group settings
Parameter Values (Range)
Pickup value 0.010...5.000
Pickup value mult 0.8...10.0
Time multiplier 0.05...15.00
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194
Table 139: 50N/G-3 Input signals
Name Type
IG or IN SIGNAL
BLOCK BOOLEAN
ENA_MULT BOOLEAN
Table 140: 51N/G Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
Table 141: 50N/G-1/2 Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
Table 142: 50N/G-3 Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN

Settings

Unit Step
xIn 0.005
0.1
0.01
Default Description
0 Ground current
0=False Block signal for activating the blocking mode
0=False Enable signal for current multiplier
Description
Trip
Pickup
Description
Trip
Pickup
Description
Trip
Pickup
Default Description
0.5 Pickup value
1.0 Multiplier for scaling the pickup value
1.00 Time multiplier in IEC/ANSI IDMT curves
1MAC504801-IB E
620 series ANSI
Technical Manual