ABB Relion 670 Series Applications Manual page 319

1MRK 505 370-UUS Rev. K
(Bay control)
(Reservation)
ANSI05000120 V2 EN-US
Figure 148: Example overview of the interactions between functions in a typical bay
When the protection trip is routed through the SXCBR function, consideration has to be taken in relation,
if the blocking conditions for the breaker should also stop activation from the protection functions. If the
trip is allowed to override the blocking conditions used, the trip signal can be used for inhibiting the
blocking signals, such as BL_OPEN and CBOPCAP. An example is as shown in
Busbar protection REB670
Application manual
SMPPTRC
ZMQPDIS
(Trip logic)
(Distance)
QCBAY
Operator place
selection
Res. req.
Res. granted
QCRSV
Res. req.
Close CB
SMBRREC
(Auto-
reclosure)
Open rel.
Interlocking
Close rel.
function
Open rel.
block
Close rel.
(Not a LN)
Position
Res.
GAPC
granted
(Generic
Automatic
Open/Close
Process
Control)
Open/Close
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SECRSYN
(Synchrocheck)
Trip
Synchrocheck
OK
Open cmd
Close cmd
SCSWI
(Switching control)
Position
SCILO
(Interlocking)
SCILO
(Interlocking)
Enable Enable
open close
Open cmd
Close cmd
SCSWI
(Switching control)
Position
SXCBR
(Circuit breaker)
I/O
SXSWI
(Disconnector)
I/O
ANSI05000120-2-en.vsd
Figure 149.
Section 12
Control
313