10.4.5.3 Function blockA1A2_DCQB_OPQB_CLS1QC1_OPS1QC1_CLS2QC2_OPS2QC2_CLS1DC_OPS2DC_OPVPS1_DCVPS2_DCEXDU_ESEXDU_BBQBCL_EX1QBCL_EX2QBOP_EX1QBOP_EX2QBOP_EX3QBOPRELQBOPITLQBCLRELQBCLITLDCOPTRDCCLTRVPDCTRIEC09000067_1_en.vsdIEC09000067 V1 ENFigure 136: A1A2_DC function block10.4.5.4 Logic diagramQB_OPQB_CLS1QC1_CLen04000544.vsd=1=1=1VPQB VPDCTRDCOPTRDCCLTRS1QC1_OPS2QC2_OPS2QC2_CLVPS1QC1VPS2QC2& >1&&1 QBOPITLQBOPRELVPS1QC1VPS2QC2VPS1_DCS1QC1_OPS2QC2_OPS1DC_OPEXDU_ESEXDU_BBQBOP_EX1VPS1QC1VPS2QC2VPS2_DCS1QC1_OPS2QC2_OPS2DC_OPEXDU_ESEXDU_BBQBOP_EX2VPS1QC1VPS2QC2S1QC1_CLS2QC2_CLEXDU_ESQBOP_EX3A1A2_DCIEC04000544 V1 EN10.4.5.5 SignalsTable 205:A1A2_DC Input signalsName Type Default DescriptionQB_OP BOOLEAN 0 QB is in open positionQB_CL BOOLEAN 0 QB is in closed positionS1QC1_OP BOOLEAN 0 QC1 on bus section 1 is in open positionTable continues on next pageSection 10 1MRK 511 287-UEN AControl272Technical manual