BC12CLTR (sect.1)
DCCLTR (A1A2)
DCCLTR (B1B2)
>1
&
BC12CLTR (sect.2)
&
VPBC12TR (sect.1)
VPDCTR (A1A2)
VPDCTR (B1B2)
VPBC12TR (sect.2)
>1
&
BC17OPTR (sect.1)
DCOPTR (A1A2)
BC17OPTR (sect.2)
>1
&
BC17CLTR (sect.1)
DCCLTR (A1A2)
BC17CLTR (sect.2)
&
VPBC17TR (sect.1)
VPDCTR (A1A2)
VPBC17TR (sect.2)
>1
&
>1
&
&
&
BC27OPTR (sect.1)
DCOPTR (B1B2)
BC27OPTR (sect.2)
BC27CLTR (sect.1)
DCCLTR (B1B2)
BC27CLTR (sect.2)
VPBC27TR (sect.1)
VPDCTR (B1B2)
VPBC27TR (sect.2)
EXDU_BC (sect.1)
EXDU_DC (A1A2)
EXDU_DC (B1B2)
EXDU_BC (sect.2)
BC_12_CL
VP_BC_12
BC_17_OP
BC_17_CL
VP_BC_17
BC_27_OP
BC_27_CL
VP_BC_27
EXDU_BC
en04000480.vsd
IEC04000480 V1 EN-US
Figure 150: Signals to a line bay in section 1 from the bus-coupler bays in each section
For a line bay in section 2, the same conditions as above are valid by changing section 1 to
section 2 and vice versa.
12.4.2.4 Configuration setting
M13560-108 v4
If there is no bypass busbar and therefore no QB7 disconnector, then the interlocking for QB7
is not used. The states for QB7, QC71, BB7_D, BC_17, BC_27 are set to open by setting the
appropriate module inputs as follows. In the functional block diagram, 0 and 1 are designated
0=FALSE and 1=TRUE:
• QB7_OP = 1
• QB7_CL = 0
Section 12 1MRK 505 370-UEN D
Control
304 Busbar protection REB670
Application manual
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