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Installing Fieldbus: Some Practical Advice

Process Industry Informer, January/February/March/April 2008 

Don't get hung up on which fieldbus to choose. Fieldbus is a generic term for a variety of communications protocols using various media, but all are simply a means to an end. What you want at the end of the project is a satisfactory and functional control system. Although Fieldbus is a wonderful technology with many benefits, its installation requires considerations over and above typical 4-20 mA projects. In parts 1 and 2 of this article, MooreHawke fieldbus expert Mike O'Neill discusses how to specify fieldbus power supplies; make segment calculations; implement fieldbus segment termination; select fieldbus cable and wiring and more.

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