ABB RET670 - Page 650

189OPTR (bay 1/sect.A2)
BB_DC_OP
VP_BB_DC
EXDU_BB
en04000507_ansi.vsd
189OPTR (bay n/sect.A2)
. . .
. . .
. . .
VP189TR (bay 1/sect.A2)
VP189TR (bay n/sect.A2)
VPDCTR (A1/A2)
EXDU_BB (bay n/sect.A2)
. . .
. . .
. . .
. . .
. . .
. . .
AND
DCOPTR (A1/A2)
EXDU_BB (bay 1/sect.A2)
EXDU_DC (A1/A2)
AND
AND
ANSI04000507 V1 EN
Figure 268: Signals from any bays in section A2 to a busbar grounding switch in
the same section
For a busbar grounding switch, these conditions from the B1 busbar section are valid:
Section 3 1MRK504116-UUS C
IED application
644
Application manual