QB1 QB2
QC1
QA1
QC2
QB9
QC9
WA1 (A)
WA2 (B)
WA7 (C)
QB7
en04000478.vsd
IEC04000478 V1 EN-US
Figure 47: Switchyard layout ABC_LINE
M13560-4 v5
The signals from other bays connected to the module ABC_LINE are described
below.
8.3.2.2 Signals from bypass busbar
M13560-6 v5
To derive the signals:
Signal
BB7_D_OP All line disconnectors on bypass WA7 except in the own bay are open.
VP_BB7_D The switch status of disconnectors on bypass busbar WA7 are valid.
EXDU_BPB No transmission error from any bay containing disconnectors on bypass busbar
WA7
These signals from each line bay (ABC_LINE) except that of the own bay are
needed:
Signal
QB7OPTR Q7 is open
VPQB7TR The switch status for QB7 is valid.
EXDU_BPB No transmission error from the bay that contains the above information.
For bay n, these conditions are valid:
1MRK 511 423-UEN A Section 8
Control
Bay control REC650 2.2 IEC 129
Application manual
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