en04000491_ansi.vsd
S1S2OPTR (A1A2)
BC12OPTR (sect.1)
1289OPTR (bay 1/sect.2)
1289OPTR (bay n/sect.2)
S1S2OPTR (A1A2)
BC12OPTR (sect.2)
1289OPTR (bay 1/sect.1)
1289OPTR (bay n /sect.1)
BBTR_OP
VP_BBTR
EXDU_12
OR
AND
OR
AND
. . .
. . .
. . .
. . .
AND
AND
VPS1S2TR (A1A2)
VPBC12TR (sect.1)
VP1289TR (bay 1/sect.2)
VP1289TR (bay n/sect.1)
. . .
. . .
VPBC12TR (sect.2)
VP1289TR (bay 1/sect.1)
VP1289TR (bay n/sect.1)
. . .
. . .
AND
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)
. . .
. . .
. . .
. . .
ANSI04000491 V1 EN
Figure 99: Signals from any bays for a bus-section circuit breaker between sections
B1 and B2
10.4.5.3 Configuration setting
If there is no other busbar via the busbar loops that are possible, then either the interlocking
for the 152 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 511 286-UUS A Section 10
Control
237
Application manual
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