FDT® offers proven architecture for data exchange between software and automation components, regardless of the network layers or protocols used in communication. Point-to-point connections and manufacturer-specific protocols are also supported. This article describes the FDT communication principles and provides examples that illustrate how they can be used in practice.

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In factory automation, different fieldbuses and protocols have been established over time for various reasons. Experts estimate that network structures will be flatter and more Ethernet-based in the future.

However, not all current communication structures will completely disappear. Manufacturers of

automation components must therefore continue to support different communication methods for

various applications now and for several years, for example the connection of a commissioning tool via a services interface or the connection of an engineering tool via an Ethernet network.

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