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PROFIBUS & PROFINET International (PI), the global industry association that develops, standardizes, and promotes industrial communication technologies like PROFINET and PROFIBUS, has released PROFINET version 2.5 (v2.5). This release is the first official specification stemming from the organization’s cooperation with IEC and IEEE within the framework of the IEC/IEEE 60802 standard. PI has actively participated in the standardization process and contributed domain knowledge in areas such as practicable real-time communication with simultaneous parallel TCP/IP traffic. As a result, PROFINET can be integrated into 60802-based networks in support of IT/OT convergence.
PROFINET Security Class 1 (SecCl1) devices are already in use, and Class 2 and Class 3 functions are currently being tested. With v2.5, outstanding issues, including certificate distribution, have now been resolved.
A newly defined transport channel enables the secure and flexible implementation of use cases such as parameterization, tool access, or firmware updates—with or without security. Thanks to clear layer separation, this channel is suitable for both highly optimized embedded systems and virtualized, container-based environments.
This update also incorporates the latest enhancements for integration of Ethernet APL and Single Pair Ethernet (SPE), which are also reflected in the updated GSD/GSDX specifications.
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