Articles

on 'PLCs & PACs'

81-100 of 116 < first | | | last >
  • Aluminum anodizing temperature control

    “Ask the Experts” on ControlGlobal.com is moderated by noted process control authority Béla Lipták. Béla and his cadre of leading experts in process automation, recruited from among the co-authors of the Instrument Engineer’s Handbook 4th Edition, are “in the box” all month answering process control questions from all comers. The best will be published here. For clarity, questions should be accompanied by P&ID sketches using ISA symbols.

    Bela Liptak
    07/15/2007
  • Focus on PLCs and PACs

    Every month, Control’s editors take a specific product area, collect all the latest, significant tools we can find and present them here to make your job easier. This month, we focus on PAC and PLC-based controllers.

    04/11/2007
  • Measuring flare gas; Controller set points

    This installment of Ask The Experts focuses on best flare gas measuring devices and how to keep liquid out of the service lines, and how to set up a trim controller to achieve very tight control.

    03/08/2007
  • Best practices in control system migration

    Migration from your old control system to a new one is as an inevitable as death and taxes. But, the key to minimizing the pain is to abide by the control system migration best practices listed here.

    01/05/2007
  • Artificial intelligence in process automation

    Just how smart will controller intelligence get? CONTROL’s Béla Lipták reports on changes, new concepts, and innovative methods in the use of artificial intelligence in controlling automated processes.

    11/06/2006
  • Finesse introduces new bioreactor control OS

    Walt Boyes talks with Larry West, executive vice president of California-based Finesse, LLC. Boyes and West discuss the introduction of TruBio, the first truly open configurable bioreactor control OS.

    08/14/2006
  • The power of external-reset feedback

    Preventing windup requires reconfiguration of the controller, according to process control consultant, F. Greg Shinskey, and external-reset feedback is the most satisfactory method of accomplishing it.

    05/10/2006
  • Which PLC/HMI platform should I choose?

    Read what The Experts had to say to a reader's question regarding which PLC and HMI platform to choose for their particular process plant automation and controls applications.

    05/10/2006
  • The past, present and future of PLCs

    Famous futurist and 2005 ISA Rimbach Lecturer, Jeff Harrow, contributes to the discussion of the future of process automation and how today’s PLCs will eventually feel like the TTL logic chips of older days.

    02/10/2006
  • Shazam! It's a real-time controller!

    The TwinCAT software line from Beckhoff Automation has brought users the ability to turn any compatible PC into a real-time controller.

    12/21/2005
  • Old flywheel technology finds new uses

    Read how high-tech flywheels can be used in place of batteries in process plant UPSs when backup power is needed during short-term disturbances and to ride through from utility to generator power.

    12/21/2005
  • DCS engineering help is just around the world!

    Where can you turn when you need design and engineering services and your local DCS technology providers have run out of ideas? Well, expertise today can be outsourced from just about anywhere.

    10/14/2005
  • Occupational therapy for the control engineer

    Can companies and technologies adapt to change in a positive manner? CONTROL Contributor Dick Morley says yes and believes that with some occupational therapy, you can survive!

    10/10/2005
  • Features and capabilities of hybrid controllers

    Is there a difference between a DCS and a hybrid control system? Bela Liptak and his cadre of automation experts suggest where to apply each technology in this installment of Ask the Experts.

    09/20/2005
  • PLC and HMI platforms

    Process control authority Bela Liptak brings in specialists from his cadre of co-authors to answer a reader's question. Find out which PLCs and HMIs they recommend to a wallboard manufacturer in West Virginia.

    08/08/2005
  • Three decades of DCS technology

    Distributed control system technology and its pioneers have had a profound effect on our profession and should be recognized, according to Around the Loop columnist Terrence K. McMahon.

    Terrence K. McMahon
    04/18/2005
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