ABB Relion 670 Series Technical Reference Manual page 703

1MRK505222-UUS C
12.4.4.3
12.4.4.4
12.4.5
12.4.5.1
Technical reference manual
Logic diagram
VP_BB_DC
BB_DC_OP
AND
EXDU_BB
89G_OP
89G_CL
ANSI04000546 V1 EN
Input and output signals
Table 355: BB_ES (3) Input signals
Name Type
QC_OP BOOLEAN
QC_CL BOOLEAN
BB_DC_OP BOOLEAN
VP_BB_DC BOOLEAN
EXDU_BB BOOLEAN
Table 356: BB_ES (3) Output signals
Name Type
QCREL BOOLEAN
QCITL BOOLEAN
BBESOPTR BOOLEAN
BBESCLTR BOOLEAN
Interlocking for bus-section breaker A1A2_BS (3)
Introduction
The interlocking for bus-section breaker (A1A2_BS ,3) function is used for one bus-
section circuit breaker between section 1 and 2 according to figure 359. The function
can be used for different busbars, which includes a bus-section circuit breaker.
BB_ES
89GREL
89GITL
NOT
BBGSOPTR
BBGSCLTR
en04000546_ansi.vsd
Default Description
0 Busbar grounding switch 89G is in open position
0 Busbar grounding switch 89G is in closed position
0 All disconnectors on this busbar part are open
0 Status for all disconnectors on this busbar part are valid
0 No transm error from bays with disc on this busbar part
Description
Switching of 89G is allowed
Switching of 89G is not allowed
89G on this busbar part is in open position
89G on this busbar part is in closed position
Section 12
Control
697