Signals - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
4.7.1.6
620 series ANSI
Technical Manual

Signals

Table 364: 21P Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
I1 SIGNAL
I2 SIGNAL
V_A_AB SIGNAL
V_B_BC SIGNAL
V_C_CA SIGNAL
V1 SIGNAL
BLOCK BOOLEAN
BLOCK_Z1 BOOLEAN
BLOCK_Z2 BOOLEAN
BLOCK_Z3 BOOLEAN
BLOCK_Z4 BOOLEAN
BLOCK_Z5 BOOLEAN
Table 365: 21P Output signals
Name Type
TRIP_Z1 BOOLEAN
TRIP_Z2 BOOLEAN
TRIP_Z3 BOOLEAN
TRIP_Z4 BOOLEAN
TRIP_Z5 BOOLEAN
PICKUP_Z1 BOOLEAN
PICKUP_Z2 BOOLEAN
PICKUP_Z3 BOOLEAN
PICKUP_Z4 BOOLEAN
PICKUP_Z5 BOOLEAN
LODDSR_GFC BOOLEAN
PICKUP_GFC BOOLEAN
Default Description
0.0 Phase A current
0.0 Phase B current
0.0 Phase C current
0.0 Positive sequence current
0.0 Negative sequence current
0.0 Phase-to-ground voltage A or phase-to-phase voltage
AB
0.0 Phase-to-ground voltage B or phase-to-phase voltage
BC
0.0 Phase-to-ground voltage C or phase-to-phase voltage
CA
0.0 Positive sequence voltage
0=False Block signal for activating the blocking mode
0=False Block zone 1
0=False Block zone 2
0=False Block zone 3
0=False Block zone 4
0=False Block zone 5
Description
Trip, Z1
Trip, Z2
Trip, Z3
Trip, Z4
Trip, Z5
Pickup, Z1
Pickup, Z2
Pickup, Z3
Pickup, Z4
Pickup, Z5
Pickup signal for load discrimination logic
Pickup, GFC
Section 4
Protection functions
499