ABB RELION 670 Series Applications Manual page 304

Section 12
Control
189
152
ANSI04000514 V1 EN-US
Figure 132: Switchyard layout ABC_BC (3)
12.4.3.2 Configuration
The signals from the other bays connected to the bus-coupler module ABC_BC are described
below.
12.4.3.3 Signals from all feeders
To derive the signals:
Signal
BBTR_OP
VP_BBTR
EXDU_12
These signals from each line bay (ABC_LINE), each transformer bay (AB_TRAFO), and bus-coupler
bay (ABC_BC), except the own bus-coupler bay are needed:
Signal
Q1289OPTR
VP1289TR
EXDU_12
For bus-coupler bay n, these conditions are valid:
298
2089
789
289
189G
289G
en04000514_ansi.vsd
No busbar transfer is in progress concerning this bus-coupler.
The switch status is valid for all apparatuses involved in the busbar transfer.
No transmission error from any bay connected to the WA1/WA2 busbars.
189 or 289 or both are open.
The switch status of 189 and 289 are valid.
No transmission error from the bay that contains the above information.
WA1 (A)
WA2 (B)
WA7 (C)
1MRK 505 337-UUS A
M13553-138 v4
M13553-6 v4
Application manual