ABB Relion 670 Series Applications Manual page 318

Section 12
Control
(Bay control)
(Reservation)
SMBRREC
Interlocking
(Not a LN)
IEC05000120 V3 EN-US
312
SMPPTRC
(Trip logic)
QCBAY
Operator place
selection
Res. req.
Res. granted
QCRSV
Res. req.
Close CB
(Auto-
reclosure)
Open rel.
Close rel.
function
Open rel.
block
Close rel.
Position
Res.
GAPC
granted
(Generic
Automatic
Open/Close
Process
Control)
Open/Close
© 2017 - 2021 Hitachi Power Grids. All rights reserved
SESRSYN
(Synchrocheck & Synchronizer)
Trip
Open cmd
Close cmd
SCSWI
(Switching control)
Position
SCILO
(Interlocking)
SCILO
(Interlocking)
Enable Enable
open close
Open cmd
Close cmd
SCSWI
(Switching control)
Position
1MRK 505 370-UUS Rev. K
Synchronizing OK
SXCBR
(Circuit breaker)
I/O
SXSWI
(Disconnector)
I/O
IEC05000120-3-EN.vsdx
Busbar protection REB670
Application manual