ABB Relion 670 Series Applications Manual page 328

Section 12
Control
BC12CLTR (sect.1)
DCCLTR (A1A2)
DCCLTR (B1B2)
BC12CLTR (sect.2)
VPBC12TR (sect.1)
VPDCTR (A1A2)
VPDCTR (B1B2)
VPBC12TR (sect.2)
BC17OPTR (sect.1)
DCOPTR (A1A2)
BC17OPTR (sect.2)
BC17CLTR (sect.1)
DCCLTR (A1A2)
BC17CLTR (sect.2)
VPBC17TR (sect.1)
VPDCTR (A1A2)
VPBC17TR (sect.2)
BC27OPTR (sect.1)
DCOPTR (B1B2)
BC27OPTR (sect.2)
BC27CLTR (sect.1)
DCCLTR (B1B2)
BC27CLTR (sect.2)
VPBC27TR (sect.1)
VPDCTR (B1B2)
VPBC27TR (sect.2)
EXDU_BC (sect.1)
EXDU_DC (A1A2)
EXDU_DC (B1B2)
EXDU_BC (sect.2)
ANSI04000480 V1 EN-US
Figure 153: Signals to a line bay in section 1 from the bus-coupler bays in each section
For a line bay in section 2, the same conditions as above are valid by changing section 1 to section 2 and
vice versa.
322
OR
AND
AND
AND
OR
OR
AND
AND
AND
OR
OR
AND
AND
AND
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BC_12_CL
VP_BC_12
BC_17_OP
BC_17_CL
VP_BC_17
BC_27_OP
BC_27_CL
VP_BC_27
EXDU_BC
en04000480_ansi.vsd
1MRK 505 370-UUS Rev. K
Busbar protection REB670
Application manual