ABB RELION 620 Series Technical Manual page 561

1MAC504801-IB E
5.5.6
620 series ANSI
Technical Manual
52-1
IA,IB,IC
HSO2
HSO1
52-2
52-3
52-4
DI1
Dl1
IA,IB,IC,IG
M1
S1
GUID-522A8AC7-511C-4613-83F8-DB6E83A12FD2 V1 EN
Figure 273: Arc protection with several protection relays and a separate arc
protection system
Signals
Table 405: AFD Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
I_G SIGNAL
BLOCK BOOLEAN
REM_FLT_ARC BOOLEAN
OPR_MODE BOOLEAN
Protection-related functions
M1
TRIP3
Dl1 Dl1
IA,IB,IC,IG
M1 M1
S2 S3
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0 Ground current
0=False Block signal for all binary outputs
0=False Remote Fault arc detected
0=False Operation mode input
Section 5
52-5 52-6
Dl1
IA,IB,IC,IG
IA,IB,IC,IG
M1
S4
555