Interaction Between Modules - ABB REC670 Applications Manual

1MRK 511 401-UEN A
14.3.2
Bay control REC670 2.2 IEC
Application manual
IED
BI BO
IEC05000118 V2 EN-US
Figure 127: Application principles for reservation with external wiring
The solution in Figure 127
the application example in Figure 128. The solutions in Figure
do not have the same high security compared to the solution in Figure 126, but
instead have a higher availability, since no acknowledgment is required.
IED
IED
. . .
IEC05000178 V3 EN-US
Figure 128: Application principle for an alternative reservation solution

Interaction between modules

A typical bay with apparatus control function consists of a combination of logical
nodes or functions that are described here:
IED
SCSWI
RES_EXT
SELECTED
Other SCSWI in the bay
BI
can also be realized over the station bus according to
SCSWI
IntlReceive
RESGRANT RES_EXT
SELECTED
IntlReceive
Other SCWI in
RESGRANT
the bay
Section 14
Control
OR
BO
en05000118.vsd
127 and Figure 128
SPGAPC
OR
IN
Station bus
IEC05000178-3-en.vsd
M16626-3 v8
+
339