Function Block - ABB REL650 series Technical Manual

1MRK 506 335-UUS A
7.11.3
7.11.4
Technical manual

Function block

CSPRBRF (50BF)
I3P* TRBU
BLOCK TRRET
BFI_3P TRRET_A
BFI_A TRRET_B
BFI_B TRRET_C
BFI_C
52A_A
52A_B
52A_C
ANSI10000217-1-en.vsd
ANSI10000217 V1 EN
Figure 120: CSPRBRF (50BF) function block
Signals
Table 138: CSPRBRF (50BF) Input signals
Name Type
I3P GROUP
SIGNAL
BLOCK BOOLEAN
BFI_3P BOOLEAN
BFI_A BOOLEAN
BFI_B BOOLEAN
BFI_C BOOLEAN
52a_A BOOLEAN
52a_B BOOLEAN
52a_C BOOLEAN
Table 139: CSPRBRF (50BF) Output signals
Name Type
TRBU BOOLEAN
TRRET BOOLEAN
TRRET_A BOOLEAN
TRRET_B BOOLEAN
TRRET_C BOOLEAN
Default Description
- Three phase group signal for current inputs
0 Block of function
0 Common pick up signal for all phases
0 Phase A breaker failure initiation
0 Phase B breaker failure initiation
0 Phase C breaker failure initiation
1 Circuit breaker closed in phase A
1 Circuit breaker closed in phase B
1 Circuit breaker closed in phase C
Description
Back-up trip
Retrip
Retrip of phase A
Retrip of phase B
Retrip of phase C
Section 7
Current protection
263