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Section 12 Logic12.1 Tripping logic SMPPTRC12.1.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberTripping logic SMPPTRCI->OSYMBOL-K V1 EN9412.1.2 FunctionalityA function block for protection tripping is provided for each circuit breakerinvolved in the tripping of the fault. It provides the pulse prolongation to ensure atrip pulse of sufficient length, as well as all functionality necessary for correct co-operation with autoreclosing functions.The trip function block includes functionality for breaker lock-out.12.1.3 Function blockSMPPTRCBLOCKTRINSETLKOUTRSTLKOUTTRIPCLLKOUTIEC09000284_1_en.vsdIEC09000284 V1 ENFigure 161: SMPPTRC function block1MRK 502 034-UEN - Section 12Logic317Technical Manual