ABB Relion 670 Series Applications Manual page 338

Section 14
Control
For a line bay in section 1, these conditions are valid:
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 138: 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.
332
OR
AND
AND
AND
OR
OR
AND
AND
AND
OR
OR
AND
AND
AND
en04000480_ansi.vsd
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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
1MRK 511 401-UUS F
Bay control REC670
Application manual