is used for different busbars, that is, for both bus-section disconnectors A1A2_DC andB1B2_DC.SignalDCOPTR The bus-section disconnector is open.VPDCTR The switch status of bus-section disconnector DC is valid.EXDU_DC No transmission error from the bay that contains the above information.The logic is identical to the double busbar configuration described in section “Signals in singlebreaker arrangement”.13.4.7.4 Signals in 1 1/2 breaker arrangement M15053-123 v4The busbar earthing switch is only allowed to operate if all disconnectors of the bus-sectionare open.Section 1 Section 2A1A2_DC(BS)B1B2_DC(BS) BB_ESBB_ESBH_LINE(WA1)A1(WA2)B1 B2A2en04000512.vsdBH_LINEIEC04000512 V1 EN-USFigure 147: 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.13.4.8 Interlocking for double CB bay DB IP14167-1 v213.4.8.1 Application M13585-3 v10The interlocking for a double busbar double circuit breaker bay including DB_BUS_A,DB_BUS_B and DB_LINE functions are used for a line connected to a double busbararrangement according to figure 148.Section 13 1MRK 511 358-UEN AControl294Application manual
