ABB RELION RET670 - Page 718

SXCBR
(Circuit breaker)
Interlocking
function
block
(Not a LN)
SCSWI
(Switching control)
QCBAY
(Bay control)
SMBRREC
(Auto-
reclosure)
I/O
Trip
Close rel.
Res. req.
Start AR
Close CB
Position
Res. granted
Operator place
selection
SCSWI
(Switching control)
SXSWI
(Disconnector)
Open cmd
Close cmd
Position
SESRSYN
(Synchrocheck & Synchronizer)
SCILO
(Interlocking)
QCRSV
(Reservation)
Res. req.
Res.
granted
GAPC
(Generic
Automatic
Process
Control)
Open/Close
Open/Close
Enable
close
Enable
open
Open rel.
Close rel.
Open rel.
SMPPTRC
(Trip logic)
Position
Pos. from
other bays
I/O
Open cmd
Close cmd
Synchronizing OK
Synchrocheck
OK
Start
Synchronizing
Synchronizing
in progress
SCILO
(Interlocking)
Enable
open
Enable
close
IEC05000120-3-EN.vsdx
IEC05000120 V3 EN-US
Section 15 1MRK 504 163-UUS A
Control
712 Transformer protection RET670 2.2 ANSI
Application manual