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10.4.7.4
Signals from bus-coupler
If the busbar is divided by bus-section disconnectors into bus-sections, the signals BC_12
from the busbar coupler of the other busbar section must be transmitted to the own busbar
coupler if both disconnectors are closed.
en04000484_ansi.vsd
Section 1
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
ABC_BC
ABC_BC
(WA1)A1
(WA2)B1
(WA7)C
C
B2
A2
ANSI04000484 V1 EN
Figure 116:
Busbars divided by bus-section disconnectors (circuit breakers)
The interlocking functionality in 650 series can not handle the transfer bus
(WA7)C.
To derive the signals:
Signal
BC_12_CL
Another bus-coupler connection exists between busbar WA1 and WA2.
VP_BC_12
The switch status of BC_12 is valid.
EXDU_BC
No transmission error from any bus-coupler bay (BC).
These signals from each bus-coupler bay (ABC_BC), except the own bay, are needed:
Signal
BC12CLTR
A bus-coupler connection through the own bus-coupler exists between busbar WA1
and WA2.
VPBC12TR
The switch status of BC_12 is valid.
EXDU_BC
No transmission error from the bay that contains the above information.
These signals from each bus-section disconnector bay (A1A2_DC) are also needed. For
B1B2_DC, corresponding signals from busbar B are used. The same type of module
(A1A2_DC) is used for different busbars, that is, for both bus-section disconnector
A1A2_DC and B1B2_DC.
1MRK 511 286-UUS A
Section 10
Control
249
Application manual
Содержание REC650 ANSI
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