ABB REO 517, Applications Manual, Page: 269 / 440

259
Interlocking
&KDSWHU
&RQWURO
These signals from each line bay (ABC_LINE), each transformer bay (ABC_TRAFO),
and bus-coupler bay (ABC_BC) are needed:
These signals from each bus-coupler bay (ABC_BC) are needed:
These signals from the bus-section circuit breaker bay (A1A2_BS, B1B2_BS) are need-
ed.
6LJQDO
BBTR_OP Signal if no busbar transfer is in progress concerning this bus section.
VP_BBTR The switch status of BBTR is valid.
EXDUP_AB Signal if there is no transmission error from any bay connected to the AB
busbars.
6LJQDO
Q1Q2OPTR Signal if Q1 or Q2 or both are open.
VPQ1Q2TR The switch status of Q1 and Q2 are valid.
EXDUP_AB Signal if there is no transmission error from the bay that contains the above
information. This signal is taken from the data valid output on the command
function block.
6LJQDO
BCABOPTR Signal if there is no bus-coupler connection through the own bus coupler
between busbar A and B.
VPBCABTR The switch status of BC_AB is valid.
EXDUP_BC Signal if there is no transmission error from the bay that contains the above
information. This signal is taken from the data valid output on the command
function block.