ABB Relion REC670 Applications Manual page 297

1MRK 511 358-UEN A
QB1OPTR (bay 1/sect.A1)
QB1OPTR (bay n/sect.A1)
VPQB1TR (bay 1/sect.A1)
VPQB1TR (bay n/sect.A1)
EXDU_BB (bay 1/sect.A1)
EXDU_BB (bay n/sect.A1)
IEC04000506 V1 EN-US
Figure 141: Signals from any bays in section A1 to a busbar earthing switch in the same
For a busbar earthing switch, these conditions from the A2 busbar section are valid:
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)
IEC04000507 V1 EN-US
Figure 142: Signals from any bays in section A2 to a busbar earthing switch in the same
For a busbar earthing switch, these conditions from the B1 busbar section are valid:
Application manual
. . .
. . .
. . .
DCOPTR (A1/A2)
. . .
. . .
. . .
VPDCTR (A1/A2)
. . .
. . .
. . .
EXDU_DC (A1/A2)
section
. . .
. . .
. . .
DCOPTR (A1/A2)
. . .
. . .
. . .
VPDCTR (A1/A2)
. . .
. . .
. . .
EXDU_DC (A1/A2)
section
BB_DC_OP
&
VP_BB_DC
&
EXDU_BB
&
en04000506.vsd
BB_DC_OP
&
VP_BB_DC
&
EXDU_BB
&
en04000507.vsd
Section 13
Control
291