The logic is identical to the double busbar configuration described in section “Signals insingle breaker arrangement”.10.4.4.4 Signals in breaker and a half arrangementThe busbar grounding switch is only allowed to operate if all disconnectors of the bus-section are open.en04000512_ansi.vsdSection 1 Section 2A1A2_DC(BS)B1B2_DC(BS) BB_ESBB_ESBH_LINE(WA1)A1(WA2)B1 B2A2BH_LINEANSI04000512 V1 ENFigure 95: Busbars divided by bus-section disconnectors (circuit breakers)The project-specific logic are the same as for the logic for the double busbar configurationdescribed in section “Signals in single breaker arrangement”.SignalBB_DC_OP All disconnectors on this part of the busbar are open.VP_BB_DC The switch status of all disconnectors on this part of the busbar is valid.EXDU_BB No transmission error from any bay that contains the above information.10.4.5 Interlocking for bus-section breaker A1A2_BS (3)10.4.5.1 ApplicationThe interlocking for bus-section breaker (A1A2_BS ,3) function is used for one bus-section circuit breaker between section 1 and 2 according to figure 96. The function canbe used for different busbars, which includes a bus-section circuit breaker.1MRK 511 286-UUS A Section 10Control233Application manual
