CAN and Ethernet – similar but different

from:  Christian Bornschein / CiA News 12/2013

Ethernet is significantly older than CAN. While Ethernet was invented in 1973 but published in 1976, CAN was created in 1983 and published in 1987. Both networks had the reason for their invention in common:

The need for various devices to communicate. This article outlines the differences between CAN and Industrial Ethernet and shows some of the challenges of Industrial Ethernet with some technical background. Furthermore it raises the question: Why switching to Ethernet at all?

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