ABB REB670 Applications Manual page 374

Busbar protection 2.1 ansi, relion 670 series
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Section 12
Control
368
289OPTR(22089OTR)(bay 1/sect.B1)
. . .
. . .
. . .
289PTR (22089OTR)(bay n/sect.B1)
DCOPTR (B1/B2)
VP289TR(V22089TR) (bay 1/sect.B1)
. . .
. . .
. . .
VP289TR(V22089TR) (bay n/sect.B1)
VPDCTR (B1/B2)
EXDU_BB (bay 1/sect.B1)
. . .
. . .
. . .
EXDU_BB (bay n/sect.B1)
EXDU_DC (B1/B2)
ANSI04000508 V1 EN
Figure 160:
Signals from any bays in section B1 to a busbar grounding switch in the
same section
For a busbar grounding switch, these conditions from the B2 busbar section are valid:
1MRK 505 337-UUS -
BB_DC_OP
AND
VP_BB_DC
AND
EXDU_BB
AND
en04000508_ansi.vsd
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