ABB RET670 - Page 627

BC12CLTR (sect.1)
DCCLTR (A1A2)
DCCLTR (B1B2)
OR
AND
BC12CLTR (sect.2)
VPBC12TR (sect.1)
VPDCTR (A1A2)
VPDCTR (B1B2)
VPBC12TR (sect.2)
OR
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)
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
AND
AND
AND
OR
AND
AND
OR
AND
OR
AND
AND
ANSI04000480 V1 EN
Figure 241: 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.
1MRK504116-UUS C Section 3
IED application
621
Application manual