ABB Relion 670 Series Applications Manual page 333

1MRK 511 358-UUS A
For a busbar grounding switch, these conditions from the A1 busbar section are valid:
189OPTR (bay 1/sect.A1)
189OPTR (bay n/sect.A1)
DCOPTR (A1/A2)
VP189TR (bay 1/sect.A1)
VP189TR (bay n/sect.A1)
VPDCTR (A1/A2)
EXDU_BB (bay 1/sect.A1)
EXDU_BB (bay n/sect.A1)
EXDU_DC (A1/A2)
ANSI04000506 V1 EN-US
Figure 154: Signals from any bays in section A1 to a busbar grounding switch in the same
For a busbar grounding switch, these conditions from the A2 busbar section are valid:
189OPTR (bay 1/sect.A2)
189OPTR (bay n/sect.A2)
VP189TR (bay 1/sect.A2)
VP189TR (bay n/sect.A2)
EXDU_BB (bay 1/sect.A2)
EXDU_BB (bay n/sect.A2)
EXDU_DC (A1/A2)
ANSI04000507 V1 EN-US
Figure 155: Signals from any bays in section A2 to a busbar grounding switch in the same
For a busbar grounding switch, these conditions from the B1 busbar section are valid:
Application manual
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section
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DCOPTR (A1/A2)
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VPDCTR (A1/A2)
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section
BB_DC_OP
AND
VP_BB_DC
AND
EXDU_BB
AND
en04000506_ansi.vsd
AND
AND
AND
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000507_ansi.vsd
Section 13
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