ABB REL650 - Page 347

SCSWI
SELECTED
RES_EXT
+
IED
BI
BO
IED
BI
BO
OR
Other SCSWI in the bay
ANSI09000259-1-en.vsd
ANSI09000259 V1 EN
Figure 147: Application principles for reservation with external wiring
The solution in figure 147 can also be realized over the station bus according to the
application example in figure 148.
SCSWI
SELECTED
RES_EXT
IED
IED
OR
Other SCSWI in the bay to SELGGIO
Station bus
. . .
SELGGIO
SELECT1
RESGRANT
GOOSEINTLKRCV
IEC09000260_2_en.vsd
IEC09000260 V2 EN
Figure 148: Application principle for an alternative reservation solution
Bay control (QCBAY)
The Bay control (QCBAY) is used to handle the selection of the operator place for the bay.
The function gives permission to operate from two types of locations either from Remote
(for example, control centre or station HMI) or from Local (local HMI on the IED) or from
all (Local and Remote). The Local/Remote switch position can also be set to Off, which
means no operator place selected that is, operation is not possible neither from local nor
from remote.
1MRK 506 334-UUS A Section 11
Control
341
Application manual