Articles

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  • Process Engineering: HART Offers Value in Plant Control Systems

    There's a myth in plants that HART offers little for Plant Control Systems and Enterprise Level Networks. But Ed Ladd from the HART Communication Foundation writes that by accessing the data in HART devices on a "full-time" routine basis increases performance, integrity, and reliability of plant control and enterprise level systems.

    Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
    05/11/2005
  • Process engineering: Digital data recorders deliver

    This contribution from ControlGlobal.com compares mechanical, analog and digital recorders for data acquisition and concludes that local data logging can be the easiest way to satisfy regulatory requirements.

    05/11/2005
  • Process Industry Practices 9th Annual Conference

    The theme for this year’s PIP Conference was “Changing Times – The Common Denominator”. With over 140 registered attendees the conference included participants from member, subscriber, and licensee companies as well as other invited guests from the industry.

    Process Industry Practices
    05/10/2005
  • Process engineering: Dryer provides a concrete lesson in control

    Removing water or moisture from a liquid stream is a critical operation in many processes. Liquid stream dryers commonly contain either molecular sieves or adsorbents; during the last 20 years, the use of molecular sieves has become much more common.

    Andrew Sloley, contributing editor, and Richard Readshaw, senior staff process engineer for VECO USA Inc.
    05/03/2005
  • Process Engineering: HART – Dealing with device description

    There is a myth surrounding HART devices that you'll need a device description to communicate with a HART device. Learn why this isn't true and what you do need to know in operating a HART communication device.

    Ed T. Ladd, Jr.
    04/12/2005
  • Process engineering: Doing your level best

    Plant engineers who find it is difficult to get good level measurements have plenty of company. A recent poll shows that it is considered to be one of the two most vexing problems by process automation professionals.

    04/08/2005
  • Process engineering: In the trenches of Fieldbus War II

    Like the 20th Century’s Great Conflict, the first Fieldbus War never really ended. But what will the outcome be this time? This article from CONTROL makes an educated prediction on how the battle may turn out.

    03/10/2005
  • HART Devices - Dispelling the Myths

    Myths and misconceptions surround the HART Communication technology despite being in use for as many as 15 years in some places. This article dispels those myths and highlights the benefits of HART.

    Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
    03/10/2005
  • Process Engineering: Measure problems on a higher level

    A reader has a level measurement problem with a differential pressure level transmitter. The transmitter does not track the level properly. Check out the question and the in-depth answer in this contribution from ControlGlobal.com.

    03/03/2005
  • Chemical industry: Competing with the "China price"

    Chinese producers are consistently offering materials that are cheaper than most American and European producers. This influx of lower cost supplies is threatening the welfare of some domestic plants. How are these American plants dealing with the issue? Voice your opinion on how you'd deal with it with our online poll inside the story.

    Bernie Price, Polaris Veritas Inc.
    02/18/2005
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