Interlocking For Double Cb Bay Db; Application - ABB 650 series Applications Manual

Section 8
Control
8.3.8
8.3.8.1
158
Section 1
(WA1)A1
(WA2)B1
BB_ES
BH_LINE
IEC04000512 V1 EN-US
Figure 83: Busbars divided by bus-section disconnectors (circuit breakers)
The project-specific logic are the same as for the logic for the double busbar
configuration described in section "Signals in single breaker arrangement".
Signal
BB_DC_OP All disconnectors on this part of the busbar are open.
VP_BB_DC The switch status of all disconnectors on this part of the busbar is valid.
EXDU_BB No transmission error from any bay that contains the above information.

Interlocking for double CB bay DB

Application

The interlocking for a double busbar double circuit breaker bay including
DB_BUS_A, DB_BUS_B and DB_LINE functions are used for a line connected to
a double busbar arrangement according to figure 84.
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
BH_LINE
1MRK 511 423-UEN A
A2
B2
BB_ES
en04000512.vsd
Bay control REC650 2.2 IEC
Application manual
IP14167-1 v2
M13585-3 v10