QB1
QB2
QC1
QA1
QC2
QB9
QC9
WA1 (A)
WA2 (B)
WA7 (C)
QB7
en04000478.vsd
IEC04000478 V1 EN-US
Figure 84:
Switchyard layout ABC_LINE
M13560-4 v5
The signals from other bays connected to the module ABC_LINE are described
below.
12.4.2.2
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:
Section 12
1MRK 506 375-UEN A
Control
256
Railway application RER670 2.2 IEC
Application manual
Summary of Contents for RELION RER670
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