14.2.6.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberInterlocking for bus-sectiondisconnectorA1A2_DC - 314.2.6.2 FunctionalityThe interlocking for bus-section disconnector (A1A2_DC) function is used for onebus-section disconnector between section 1 and 2 according to figure 313. A1A2_DCfunction can be used for different busbars, which includes a bus-section disconnector.WA1 (A1) WA2 (A2)QBQC1 QC2A1A2_DC en04000492.vsdIEC04000492 V1 ENFigure 313: Switchyard layout A1A2_DC14.2.6.3 Function blockIEC05000349-2-en.vsdA1A2_DCQB_OPQB_CLS1QC1_OPS1QC1_CLS2QC2_OPS2QC2_CLS1DC_OPS2DC_OPVPS1_DCVPS2_DCEXDU_ESEXDU_BBQBCL_EX1QBCL_EX2QBOP_EX1QBOP_EX2QBOP_EX3QBOPRELQBOPITLQBCLRELQBCLITLDCOPTRDCCLTRVPDCTRIEC05000349 V2 ENFigure 314: A1A2_DC function blockSection 14 1MRK502052-UEN BControl656Technical manual
