Signals - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
A070984 V2 EN
Figure 66: Example coordination of numerical multiple-stage overcurrent protection
4.1.1.8
152

Signals

Table 92: 51P Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
BLOCK BOOLEAN
ENA_MULT BOOLEAN
Table 93: 50P-1/2 Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
BLOCK BOOLEAN
ENA_MULT BOOLEAN
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0=False Block signal for activating the blocking mode
0=False Enable signal for current multiplier
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0=False Block signal for activating the blocking mode
0=False Enable signal for current multiplier
1MAC504801-IB E
620 series ANSI
Technical Manual