ABB Relion 670 Series Applications Manual page 327

1MRK 511 358-UUS A
For a bus-section disconnector, these conditions from the A2 busbar section are valid:
189OPTR (bay 1/sect.A2)
189OPTR (bay n/sect.A2)
DCOPTR (A2/A3)
VP189TR (bay 1/sect.A2)
VP189TR (bay n/sect.A2)
VPDCTR (A2/A3)
EXDU_BB (bay 1/sect.A2)
EXDU_BB (bay n/sect.A2)
EXDU_DC (A2/A3)
ANSI04000495 V1 EN-US
Figure 143: Signals from any bays in section A2 to a bus-section disconnector
For a bus-section disconnector, these conditions from the B1 busbar section are valid:
289OPTR (22089OTR)(bay 1/sect.B1)
289OPTR (22089OTR)(bay n/sect.B1)
VP289TR (V22089TR)(bay 1/sect.B1)
VP289TR (V22089TR)(bay n/sect.B1)
ANSI04000496 V1 EN-US
Figure 144: Signals from any bays in section B1 to a bus-section disconnector
For a bus-section disconnector, these conditions from the B2 busbar section are valid:
Application manual
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AND
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AND
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AND
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EXDU_BB (bay 1/sect.B1)
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. . .
EXDU_BB (bay n/sect.B1)
S2DC_OP
VPS2_DC
EXDU_BB
en04000495_ansi.vsd
AND
AND
AND
en04000496_ansi.vsd
Section 13
S1DC_OP
VPS1_DC
EXDU_BB
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