ABB RELION RET670 - Page 719

ANSI05000120-2-en.vsd
ZMQPDIS
(Distance)
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.
In
itia
te
A
R
Close CB
Position
Res. granted
Operator place
selection
SCSWI
(Switching control)
SXSWI
(Disconnector)
Open cmd
Close cmd
Position
SECRSYN
(Synchrocheck)
SCILO
SCILO
Synchrocheck
OK
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
E
n
a
b
le
o
p
e
n
E
n
a
b
le
clo
se
P
o
s. fro
m
o
th
e
r b
a
ys
I/O
Open cmd
Close cmd
(Interlocking)
(Interlocking)
ANSI05000120 V2 EN-US
Figure 322: Example overview of the interactions between functions in a typical
bay
1MRK 504 163-UUS A Section 15
Control
Transformer protection RET670 2.2 ANSI 713
Application manual