Overview:

This whitepaper talks about how today Ethernet-based fieldbus systems perform basic task and so much more.

As Ethernet continues to gain momentum in the industrial automation market, it's changing the way control engineers utilize their fieldbus systems. In the past, fieldbus networks were considered one-dimensional - they performed one task and did it very well - transferring process data between networked devices in a fast and deterministic manner. Usually these devices were on a local segment, isolated from higher-level networks. Nowadays, Ethernet-based fieldbus systems perform this basic task and so much more. With industrial protocols like Modbus/TCP, EtherNet/IP, and PROFInet process data is sent over standard, off-the-shelf Ethernet hardware. No longer are users forced to buy proprietary fieldbus components from a handful of vendors.

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