Hitachi Relion 670 Series Applications Manual page 265

1MRK506375-UEN Rev. N
QB1OPTR (bay 1/sect.A1)
QB1OPTR (bay n/sect.A1)
VPQB1TR (bay 1/sect.A1)
VPQB1TR (bay n/sect.A1)
EXDU_BB (bay 1/sect.A1)
EXDU_BB (bay n/sect.A1)
IEC04000506 V1 EN-US
Figure 122:
For a busbar earthing switch, these conditions from the A2 busbar section are valid:
QB1OPTR (bay 1/sect.A2)
QB1OPTR (bay n/sect.A2)
VPQB1TR (bay 1/sect.A2)
VPQB1TR (bay n/sect.A2)
EXDU_BB (bay 1/sect.A2)
EXDU_BB (bay n/sect.A2)
IEC04000507 V1 EN-US
Figure 123:
For a busbar earthing switch, these conditions from the B1 busbar section are valid:
Railway application RER670
Application manual
. . .
. . .
. . .
DCOPTR (A1/A2)
. . .
. . .
. . .
VPDCTR (A1/A2)
. . .
. . .
. . .
EXDU_DC (A1/A2)
Signals from any bays in section A1 to a busbar earthing switch in the same
section
. . .
. . .
. . .
DCOPTR (A1/A2)
. . .
. . .
. . .
VPDCTR (A1/A2)
. . .
. . .
. . .
EXDU_DC (A1/A2)
Signals from any bays in section A2 to a busbar earthing switch in the same
section
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BB_DC_OP
&
VP_BB_DC
&
EXDU_BB
&
en04000506.vsd
BB_DC_OP
&
VP_BB_DC
&
EXDU_BB
&
en04000507.vsd
Section 12
Control
259