S1S2OPTR (A1A2)
BC12OPTR (sect.1)
QB12OPTR (bay 1/sect.2)
QB12OPTR (bay n/sect.2)
S1S2OPTR (A1A2)
BC12OPTR (sect.2)
QB12OPTR (bay 1/sect.1)
QB12OPTR (bay n /sect.1)
BBTR_OP
VP_BBTR
EXDU_12
en04000491.vsd
>1
&
>1
&
. . .
. . .
. . .
. . .
&
&
VPS1S2TR (A1A2)
VPBC12TR (sect.1)
VPQB12TR (bay 1/sect.2)
VPQB12TR (bay n/sect.1)
. . .
. . .
VPBC12TR (sect.2)
VPQB12TR (bay 1/sect.1)
VPQB12TR (bay n/sect.1)
. . .
. . .
&
EXDU_12(bay 1/sect.2)
EXDU_12 (bay n /sect.2)
EXDU_12 (bay 1/sect.1)
EXDU_12 (bay n /sect.1)
EXDU_BS (A1A2)
EXDU_BC (sect.1)
EXDU_BC (sect.2)
. . .
. . .
. . .
. . .
IEC04000491 V1 EN-US
Figure 99: Signals from any bays for a bus-section circuit breaker between
sections B1 and B2
12.4.5.3 Configuration setting
M15111-57 v3
If there is no other busbar via the busbar loops that are possible, then either the
interlocking for the QA1 open circuit breaker is not used or the state for BBTR is
set to open. That is, no busbar transfer is in progress in this bus-section:
• BBTR_OP = 1
• VP_BBTR = 1
1MRK 506 375-UEN A Section 12
Control
Railway application RER670 2.2 IEC 271
Application manual
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