are used. The same type of module (A1A2_BS) is used for different busbars, that
is, for both bus-section circuit breakers A1A2_BS and B1B2_BS.
Signal
S1S2OPTR No bus-section coupler connection between bus-sections 1 and 2.
VPS1S2TR The switch status of bus-section coupler BS is valid.
EXDU_BS No transmission error from the bay that contains the above information.
For a bus-coupler bay in section 1, these conditions are valid:
BBTR_OP (sect.1)
DCOPTR (A1A2)
DCOPTR (B1B2)
BBTR_OP (sect.2)
&
VP_BBTR (sect.1)
VPDCTR (A1A2)
VPDCTR (B1B2)
VP_BBTR (sect.2)
EXDU_12 (sect.1)
EXDU_DC (B1B2)
EXDU_12 (sect.2)
VP_BBTR
EXDU_12
en04000483.vsd
&
EXDU_DC (A1A2)
BBTR_OP
>1
&
IEC04000483 V1 EN-US
Figure 91: Signals to a bus-coupler bay in section 1 from any bays in each
section
For a bus-coupler bay in section 2, the same conditions as above are valid by
changing section 1 to section 2 and vice versa.
12.4.3.4 Signals from bus-coupler
M13553-58 v5
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.
Section 1 Section 2
A1A2_DC(BS)
B1B2_DC(BS)
ABC_BCABC_BC
(WA1)A1
(WA2)B1
(WA7)C C
B2
A2
en04000484.vsd
IEC04000484 V1 EN-US
Figure 92: Busbars divided by bus-section disconnectors (circuit breakers)
To derive the signals:
1MRK 506 375-UEN A Section 12
Control
Railway application RER670 2.2 IEC 263
Application manual
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