In case of single-pole tripping in multi-phase systems, a phase selection isperformed.13.1.6.7 Simplified logic diagram M13893-40 v4The simplified logic diagram for the complete logic is shown in figure 199.IEC05000515-2-en.vsdCRGCRCRLCRL1tSecurityt200 mst150 ms LCGUnblock =RestartUnblock =NoRestartUnblock =OffCSURBLOCKCSBLKCRLBLKCSCSORCACCCSTRIPt25 mstCoordtSendMintSendMinSchemeType =BlockingSchemetype =Permissive ORSchemetype =Permissive URSchemeType =IntertriptORANDANDANDANDANDANDANDANDANDANDORORANDANDtORORORORORIEC05000515 V2 EN-USFigure 199: Scheme communication logic for distance or overcurrentprotection, simplified logic diagramSection 13 1MRK 505 394-UEN AScheme communication408 Line differential protection RED650 2.2 IECTechnical manual
