Video: Configuration Issues for PID Blocks in Alternate Control Configuration

By Cecil Smith, president of Cecil L. Smith, Inc.

When blocks such as summers, selectors, etc., are inserted between the output of the PID block and the final control element, some configuration issues must be addressed for the PID block.

 

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Cecil Smith is president of Cecil L. Smith, Inc., Houston, a firm specializing in automation technology that he founded after leaving the faculty of Louisiana State University. Also cited as one of the 50 most influential people in the field, he teaches courses on control topics and has authored or co-authored 14 books, including “Digital Control of Industrial Processes and more than 100 articles. You can email him at cecilsmith@cox.net. He is also one of our experts in our Ask the Experts forum. You can pose your instrumentation and control questions to him here. http://www.chemicalprocessing.com/experts/instrumentation-control/