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This document contains general concepts and calculation methods for the Cross-network Redundancy Protocol (CRP). The Committee responsible for this standard is national Working Committee K 956 "Feldbus" ("Fieldbus") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE (www.dke.de).
This document replaces DIN EN 62439:2009-01 .
This document has been modified by: DIN EN 62439-4/A1:2013-06