ABB REC650 - Page 249

The logic is identical to the double busbar configuration “Signals in single breaker
arrangement”.
For a bus-section disconnector, these conditions from the A1 busbar section are valid:
en04000499_ansi.vsd
189OPTR (bay 1/sect.A1)
S1DC_OP
VPS1_DC
EXDU_BB
AND
189OPTR (bay n/sect.A1)
. . .
. . .
. . .
VP189TR (bay 1/sect.A1)
VP189TR (bay n/sect.A1)
EXDU_DB (bay 1/sect.A1)
EXDU_DB (bay n/sect.A1)
. . .
. . .
. . .
. . .
. . .
. . .
AND
AND
ANSI04000499 V1 EN
Figure 107: Signals from double-breaker bays in section A1 to a bus-section
disconnector
For a bus-section disconnector, these conditions from the A2 busbar section are valid:
en04000500_ansi.vsd
189OPTR (bay 1/sect.A2)
S2DC_OP
VPS2_DC
EXDU_BB
AND
189OPTR (bay n/sect.A2)
. . .
. . .
. . .
VP189TR (bay 1/sect.A2)
VP189TR (bay n/sect.A2)
EXDU_DB (bay 1/sect.A2)
EXDU_DB (bay n/sect.A2)
. . .
. . .
. . .
. . .
. . .
. . .
AND
AND
ANSI04000500 V1 EN
Figure 108: Signals from double-breaker bays in section A2 to a bus-section
disconnector
For a bus-section disconnector, these conditions from the B1 busbar section are valid:
1MRK 511 286-UUS A Section 10
Control
243
Application manual