IO-Link and Single Pair Ethernet, two recent networking protocols for improved industrial connectivity

As industrial performance improvement initiatives such as Industry 4.0 and the industrial internet of things (IIoT) become commonplace, the need for a resilient and site-wide networking infrastructure is paramount. Single-pair Ethernet takes the enterprise-class networking protocol and implements robust and reliable device communication over a single twisted pair. Reducing the number of pairs by a quarter reduces cable weight, reduces cable cost, and uses robust industrial-grade widely available connectors. Unlike the serial-based IO-Link, SPE functions as a standard networking protocol and can operate over distances of up to 15 meters using unshielded cables and 40 meters using shielded cables.

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Categories: Copper, IIoT, IoT

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