Jim Pinto, a name that everyone in the automation business should be familiar with, has written a good article on the differences between Ethernet and fieldbus, and the shortcoming that must be addressed with Ethernet to make it suitable for plant level applications. This is a good antidote to a lot of the press going around recently extolling the imminent demise of fieldbus in favor of its ethereal cousin. Read about it in Automation World.
From Fieldbus to Industrial Ethernet
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