ABB REL670 2.2 IEC - Interaction between Modules

SCSWI
SELECTED
RES_EXT
+
IED
BI
BO
IED
BI
BO
OR
Other SCSWI in the bay
en05000118.vsd
IEC05000118 V2 EN-US
Figure 319: Application principles for reservation with external wiring
The solution in Figure 319 can also be realized over the station bus according to
the application example in Figure 320. The solutions in Figure 319 and Figure 320
do not have the same high security compared to the solution in Figure
318, but
instead have a higher availability, since no acknowledgment is required.
SCSWI
SELECTED
RES_EXT
IED
IED
OR
Other SCWI in
the bay
Station bus
. . .
SPGAPC
IN
RESGRANT
IntlReceive
.
.
.
.
.
.
RESGRANT
IntlReceive
IEC05000178-3-en.vsd
IEC05000178 V3 EN-US
Figure 320: Application principle for an alternative reservation solution
15.3.7 Interaction between modules
M16626-3 v9
A typical bay with apparatus control function consists of a combination of logical
nodes or functions that are described here:
1MRK 506 369-UEN B Section 15
Control
Line distance protection REL670 2.2 IEC 651
Application manual