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PROFINET specification 2.4, including TSN capabilities, is now complete and can be downloaded by all PI members. Specification 2.4 includes details on PROFINET that are separate from TSN, with PROFINET remaining fully compatible with all previous versions. Using the corresponding IEEE standards in such a way that the fundamental properties of PROFINET are retained has always been important. TSN now offers additional capabilities, such as guaranteed latency and quality of service, high-precision time synchronization, and seamless media redundancy – all using standard Ethernet hardware.
Experience gained from the use of PROFINET in the field and standardization from the joint activity from IEC/IEEE 60802 still have to be incorporated. There are also new topics, like the integration of 10 Mbit/s, APL, and cybersecurity, which will also affect the basic specification.
The PROFINET technical working group CB/PG6, which has been responsible for creating and coordinating the technical specifications for PROFINET, has been part of PI since 2003. The members of this working group include more than 25 representatives of device and system manufacturers, technology providers and chip manufacturers.