This Month’s Cover Story

Resources

NEW!! Control Amplified podcast

With in-depth interviews and discussions with industry experts about important topics in the process control and automation field, Control Amplified explores the underlying issues affecting those in these industries. Listen now.


Test your control knowledge

Greg McMillan and Control Global test your process automation control knowledge in ControlGlobal Quizzes. New quizzes are released every two weeks. Test your smarts.

Our latest issue: December 2018

PID control is used in more than 99% of the loops for chemical, pharmaceutical, and food and beverage manufacturing. However, the opening challenge with PID control is recognizing the effect of PID form, structure and tuning units. Read the issue.


Flow Measurement, Part II

The latest eBook from Control continues the conversation about flow measurement via a collection of articles about the latest trends, technologies and implementations. Download it here.

Voices: Ask The Experts

Do multiple sensors improve accuracy?

Is there a process control degree and if so, at which universities?

By Béla Lipták

Q: I'm quoting from Chapter 1.1 of your "Instrument Engineers' Handbook," Volume 1 (5th Edition): "In critical applications, reliability and accuracy can both be increased by the use of multiple sensors through the averaging of their outputs. ... measurement error in that case will be reduced by…

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Most Recent

  • Reader Feedback: January 2019

    I appreciate your editor’s page, “The phrase I love to hate.” I took interest in the words of Neil Mead in the book you recommendedfrom www.4sightbook.com:“The digital factory of the future will be full of smart, connected machines that require less human intervention and can be…

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  • Would you trade in your fossil-fuel-powered car for an electric?

    By Paul Studebaker

    Car exhaust is easy to see in the winter, as the water vapor product of combustion condenses on exiting the warm tailpipes into the crisp air. This never bothered me, even back in the days when we could also smell it as the ripe aroma of unburned hydrocarbons, and definitely not since it’s been…

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  • Intrinsically safe tablet raises the bar

    It's not easy to make devices intrinsically safe (IS) for service in hazardous and potentially explosive atmospheres. But, making them IS and easy to use in dangerous settings is even more difficult, so it helps to collaborate with friends.This is just what Pepperl+Fuchs and its ecom brand did when…

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  • Verifying field devices involves specific demands

    By Ian Verhappen

    With the increasing use of wired and wireless digital communications, technicians and field engineers are communicating with and performing maintenance on field devices from practically anywhere—and often not at the transmitter face with screwdriver in hand to “tweak the pots” unless…

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  • Product roundup: Temperature, pressure burst boundaries

    Self-calibrating RTD for biopharmaiTherm TrustSens hygienic RTD is reported to be the world’s first self-calibrating temperature sensor, functions in situ, and calibrates after every sterilization in place (SIP) cycle, which eliminates the risk of undetected drift. TrustSens has a…

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  • The multiplier effect

    By Greg McMillan

    Greg: Last month, we had the opportunity to see how the Automation Competency Model created by the Automation Federation can increase skills in automation and its value to manufacturing. Here we continue our conversation with Steve Huffman, vice president of marketing and business…

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