ABB RELION 670 Series Applications Manual page 563

1MRK 504 152-UEN B
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)
IEC04000495 V1 EN-US
Figure 321: 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:
QB2OPTR (QB220OTR)(bay 1/sect.B1)
QB2OPTR (QB220OTR)(bay n/sect.B1)
VPQB2TR (VQB220TR)(bay 1/sect.B1)
VPQB2TR (VQB220TR)(bay n/sect.B1)
IEC04000496 V1 EN-US
Figure 322: 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
. . .
. . .
. . .
DCOPTR (A2/A3)
. . .
. . .
. . .
VPDCTR (A2/A3)
. . .
. . .
. . .
EXDU_DC (A2/A3)
. . .
. . .
. . .
. . .
. . .
. . .
EXDU_BB (bay 1/sect.B1)
. . .
. . .
. . .
EXDU_BB (bay n/sect.B1)
S2DC_OP
&
VPS2_DC
&
EXDU_BB
&
en04000495.vsd
S1DC_OP
&
VPS1_DC
&
EXDU_BB
&
en04000496.vsd
Section 14
Control
557