ABB Relion 650 Series Applications Manual page 139

1MRK 505 287-UUS B
to the SELGGIO block, then other SCSWI functions as configured are blocked for selection. The
RESERVED signal from SELGGIO is also sent to other bay devices.
Due to the design of the plant, some apparatus might need reservation of the own bay as well as
reservations from other bays. Received reservation from other bays are handled by a logical OR
together with own bay reservation from the SELGGIO function block that checks whether the own
bay is currently reserved.
BAY 1
SELECT1
SELECT2
SELECT3
SELECT4
SELECT5
SELECT6
SELECT7
SELECT8
SELECT9
SELECT10
SELECT11
SELECT12
SELECT13
SELECT14
SELECT15
SELECT16
BAY 2
BAY 3
ANSI11000169 V1 EN-US
Figure 50: Reservations from own and other bays
The reservation can also be realized with external wiring according to the application example in
figure 51. This solution is realized with external auxiliary relays and extra binary inputs and outputs
in each IED.
IED
ANSI09000259 V1 EN-US
Figure 51:
The solution in figure
example in figure 52.
Busbar protection REB650
Application manual
SELGGIO
RESERVED
BI
BO
Application principles for reservation with external wiring
51 can also be realized over the station bus according to the application
© Copyright 2013 ABB. All rights reserved
OR
ANSI11000169_1_en.vsd
IED
SCSWI
RES_EXT
SELECTED
Other SCSWI in the bay
BI
RESERVED
OR
BO
+
ANSI09000259-1-en.vsd
Section 10
Control
133