Phoenix Contact: Uniform Connector System for PROFINET Over SPE

January 8, 2025

PROFIBUS & Profinet International (PI) and its technologies are synonymous with a multitude of innovations and cross-manufacturer interoperability. When it comes to connectivity, this starts with connectors and cables.

This is currently already possible with two- and four-pair Ethernet cabling. And now Single Pair Ethernet (SPE), a connector for industrial automation, is continuing the success story. This brings clarity and certainty to a long-awaited topic. It is an important milestone that takes miniaturization a significant step forward with the help of SPE. With its forward-thinking structure, the new SPE connector system was realized based on essential application requirements.

The SPE connector system is now being submitted for international standardization. The uniform pin connector pattern for applications in the control cabinet, in the field, and also for hybrid installations, creates “the” connecting element. This will pave the way for a universal SPE standard. For industry, this new generation is a further step forward into the future. Numerous manufacturers have announced their intention to implement it in the near future.

Standardization work is also underway at other levels of SPE communication, such as a power concept. This will allow a consistent SPE solution to be achieved across all layers.

Through the use of international standards, this solution can be used for all Single Pair Ethernet applications, even at higher speeds. The world is becoming a clearer place thanks to PI, its dedicated members, and the many global supporters of Profinet.

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