ABB RET670 Applications Manual page 652

Section 3
IED application
646
289OPTR(22089OTR) (bay 1/sect.B2)
. . .
. . .
. . .
289OPTR(22089OTR) (bay n/sect.B2)
DCOPTR (B1/B2)
VP289TR(V22089TR) (bay 1/sect.B2)
. . .
. . .
. . .
VP289TR(V22089TR) (bay n/sect.B2)
VPDCTR (B1/B2)
EXDU_BB (bay 1/sect.B2)
. . .
. . .
. . .
EXDU_BB (bay n/sect.B2)
EXDU_DC (B1/B2)
ANSI04000509 V1 EN
Figure 270: Signals from any bays in section B2 to a busbar grounding switch in
the same section
For a busbar grounding switch on bypass busbar C, these conditions are valid:
789OPTR (bay 1)
. . .
. . .
. . .
789OPTR (bay n)
VP789TR (bay 1)
. . .
. . .
. . .
VP789TR (bay n)
EXDU_BB (bay 1)
. . .
. . .
. . .
EXDU_BB (bay n)
ANSI04000510 V1 EN
Figure 271: Signals from bypass busbar to busbar grounding switch
AND
AND
AND
BB_DC_OP
AND
VP_BB_DC
AND
EXDU_BB
AND
en04000510_ansi.vsd
1MRK504116-UUS C
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000509_ansi.vsd
Application manual