Section 13 Scheme communication13.1 Scheme communication logic for distance orovercurrent protection ZCPSCH IP15749-1 v313.1.1 IdentificationM14854-1 v4Function description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberScheme communication logic fordistance or overcurrent protectionZCPSCH - 8513.1.2 Functionality M13860-3 v10To achieve instantaneous fault clearance for all line faults, scheme communicationlogic is provided. All types of communication schemes for permissiveunderreaching, permissive overreaching, blocking, delta based blocking,unblocking and intertrip are available.The built-in communication module (LDCM) can be used for schemecommunication signaling when included.13.1.3 Function block M13866-3 v7ZCPSCHI3P*U3P*BLOCKBLKTRBLKCSCSBLKCACCCSORCSURCRCRGCBOPENTRIPCSCHSTOPCRLLCGIEC09000004IEC09000004 V4 EN-USFigure 192: ZCPSCH function block1MRK 505 394-UEN A Section 13Scheme communicationLine differential protection RED650 2.2 IEC 401Technical manual
