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Advanced physical layer for industrial Ethernet


Advanced physical layer for industrial Ethernet

FieldComm Group, ODVA and PI (Profibus & Profinet International) provide an update on the current status of future technology and standards for an advanced physical layer for Industrial Ethernet that will be suitable for use in demanding applications in process instrumentation, commonly referred to as APL.

The organizations, in combination with process automation and instrumentation suppliers, are seeking to leverage the work currently underway in the IEEE 802.3cg Task Force, which is developing amendments to the IEEE 802.3 Ethernet standard for an Ethernet physical layer operating at 10 Mb/s over single-pair cable with power delivery, and additional developments being done by the suppliers to define the requirements and develop the necessary technology to achieve an Industrial Ethernet suitable for use in hazardous locations up to Zone 0, Division 1. Together, the organizations and suppliers have formed a steering committee to coordinate the overall work effort to achieve and promote an advanced physical layer for EtherNet/IP, HART-IP and PROFINET.

"APL will be a significant advancement for our industry by extending existing Ethernet technology to address our traditional two-wire topology and intrinsic safety," stated Ted Masters, president of FieldComm Group. "Like today, multiple protocols will be used in all facilities, but with the added capabilities of APL and Ethernet based technologies. With integration through FDI and its information model, our industry can now shift their focus from the protocol to capture value of the information provided by field devices."

Based on timelines published by the IEEE 802.3cg Task Force, the organizations expect that enhancements to the IEEE 802.3 standard for long-reach, single pair Ethernet will be complete in 2019 and available for integration into their respective Ethernet specifications in 2020.



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