Voices: Dan Hebert

Use distributed control to offload PLCs and PACs

Distributed controllers and smart I/O can optimize automation systems by performing specialized tasks.

By Dan Hebert, PE, contributing editor
Nov 15, 2016

When automation professionals hear the phrase “distributed control system” or its acronym DCS, they usually think about the huge, monolithic and expensive control systems often used in big process plants. Ironically, most distributed control systems in process plants don’t distribute control at all, but instead consolidate it into a few centralized processors.

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