ABB RELION 670 SERIES Applications Manual page 714

Section 15
Control
708
Signal
Q1289OPTR 189 or 289 or both are open.
VP1289TR The switch status of 189 and 289 are valid.
EXDU_12 No transmission error from the bay that contains the above information.
For bus-coupler bay n, these conditions are valid:
1289OPTR (bay 1)
1289OPTR (bay 2)
. . .
. . .
1289OPTR (bay n-1)
VP1289TR (bay 1)
VP1289TR (bay 2)
. . .
. . .
VP1289TR (bay n-1)
EXDU_12 (bay 1)
EXDU_12 (bay 2)
. . .
. . .
EXDU_12 (bay n-1)
ANSI04000481 V1 EN
Figure 329: Signals from any bays in bus-coupler bay n
If the busbar is divided by bus-section disconnectors into bus-sections, the signals BBTR
are connected in parallel - if both bus-section disconnectors are closed. So for the basic
project-specific logic for BBTR above, add this logic:
Section 1
(WA1)A1
(WA2)B1
(WA7)C
ABC_LINE ABC_BC
ANSI04000482 V1 EN
Figure 330: Busbars divided by bus-section disconnectors (circuit breakers)
BBTR_OP
AND
VP_BBTR
AND
EXDU_12
AND
en04000481_ansi.vsd
Section 2
A1A2_DC(BS)
B1B2_DC(BS)
ABC_LINE
Line distance protection REL670 2.2 ANSI
1MRK 506 369-UUS -
A2
B2
C
ABC_BC
AB_TRAFO
en04000482_ansi.vsd
Application manual