ABB REG670 - Page 548

QB1OPTR (bay 1/sect.A2)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000507.vsd
QB1OPTR (bay n/sect.A2)
. . .
. . .
. . .
VPQB1TR (bay 1/sect.A2)
VPQB1TR (bay n/sect.A2)
VPDCTR (A1/A2)
EXDU_BB (bay n/sect.A2)
. . .
. . .
. . .
. . .
. . .
. . .
&
&
&
DCOPTR (A1/A2)
EXDU_BB (bay 1/sect.A2)
EXDU_DC (A1/A2)
IEC04000507 V1 EN
Figure 273: Signals from any bays in section A2 to a busbar earthing switch in the
same section
For a busbar earthing switch, these conditions from the B1 busbar section are valid:
QB2OPTR(QB220OTR)(bay 1/sect.B1)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000508.vsd
QB2OPTR (QB220OTR)(bay n/sect.B1)
. . .
. . .
. . .
VPQB2TR(VQB220TR) (bay 1/sect.B1)
VPQB2TR(VQB220TR) (bay n/sect.B1)
VPDCTR (B1/B2)
EXDU_BB (bay n/sect.B1)
. . .
. . .
. . .
. . .
. . .
. . .
&
&
&
DCOPTR (B1/B2)
EXDU_BB (bay 1/sect.B1)
EXDU_DC (B1/B2)
IEC04000508 V1 EN
Figure 274: Signals from any bays in section B1 to a busbar earthing switch in the
same section
For a busbar earthing switch, these conditions from the B2 busbar section are valid:
Section 15 1MRK 502 071-UEN -
Control
542 Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual