ABB REB670 - Page 385

Signal
S1S2OPTR No bus-section coupler connection between bus-sections 1 and 2.
VPS1S2TR The switch status of bus-section coupler BS is valid.
EXDU_BS No transmission error from the bay that contains the above information.
For a bus-section circuit breaker between A1 and A2 section busbars, these conditions
are valid:
en04000490_ansi.vsd
S1S2OPTR (B1B2)
BC12OPTR (sect.1)
1289OPTR (bay 1/sect.2)
1289OPTR (bay n/sect.2)
S1S2OPTR (B1B2)
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 (B1B2)
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 (B1B2)
EXDU_BC (sect.1)
EXDU_BC (sect.2)
. . .
. . .
. . .
. . .
ANSI04000490 V1 EN-US
Figure 155: Signals from any bays for a bus-section circuit breaker between
sections A1 and A2
1MRK 505 370-UUS A Section 12
Control
Busbar protection REB670 2.2 ANSI 379
Application manual