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  • pH linearization lubricates waste control

    Learn how a simplified technique for linearizing pH can enhance control in waste treatment applications and eliminate the need for gain-adjusting techniques.

  • 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.

  • Out here in the fieldbus

    Ian Verhappen, Chair of the Foundation Fieldbus User Group and Vice President of Standards for ISA, offers his perspective and experience on what’s happening in the world of industrial fieldbus.

  • When multiple analog transmitters go haywire

    All kinds of high and low level alarms caused this reader to look for the common threads that tripped his control system. Read how troubleshooting the problem revealed the power supply to be the culprit.

  • Compare current and historian data

    A new software module has been developed that compares and analyzes current event and alarm data against process historian data.

  • New trends and old friends in network choices

    Industrial process automation: Wireless and Ethernet technologies are taking over today's trendy solutions, but don’t count out the classics like the fieldbuses, which remain old favorites that still are in high demand.

  • 10 principles for securing control systems

    KEMA Consultant Jay Abshier takes an unbiased and highly detailed look at where plant security really is, and what is being done to better protect our process automation systems and infrastructure.

  • OPC considerations for network security

    It seems that whenever IT meets real-time control systems, trouble usually erupts, but this article shows that while industrial cyber security is complex, there are ways to keep your plant assets protected.

  • Web-based DAQs spread access, information

    Modern data acquisition devices use networks, the Internet, and wireless to deliver intelligence. Senior Tech Editor Rich Merritt provides a Product Roundup of recorders and data acquisition devices.

  • Can we make the jump to a wireless plant?

    CONTROL's Editor in Chief Walt Boyes says that if we don't, we won't continue to show the productivity and cost savings we've been able to until now. Read how wireless can affect what you do.

  • 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!

  • With technology, old is a relative term

    The staying power of Oldtimer Technology reminds us to not get carried away with the new, dramatically improved, high-performance automation toys and to simply use what works.

  • How do vendor web sites stack up?

    Is it easy to find the information you're looking for on vendor web sites, or do you get lost after the first dozen clicks? Here’s a summary of the results of a recent survey on how supplier web sites measure up.

  • Directory of Lost Companies

    Identified in this new Appendix are more than 200 companies whose name, ownership, or product line has changed significantly over the period from 1990 to 2005. Find the company you're looking for here.

  • Brewing a recipe for collaborative success

    Coors has found that embracing the human element can short circuit organizational drag. Add information literacy skills and the five disciplines of learning organizations to the mix and you have a recipe for success.

  • Where are our control engineer heroes?

    In process control, our heroes are few and far between, yet opportunities abound for engineering heroism. Just apply what you know to a field that needs it and maybe the world will finally appreciate you.

  • Temperature instrumentation gets fancy

    Senior Tech Editor Rich Merritt notes that temperature sensors, recorders and controllers are warming up to new technology in this Product Roundup of temperature instrumentation devices.

  • OPC tunneling increases data availability

    OPC has quickly become the de facto open communication standard in the world of industrial connectivity. However, shortcomings in operating system components, particularly the security layer (DCOM), can lead to data loss.

  • Fiber optic sensors on the horizon

    The spread of fiber optic sensor technology from the laboratory into everyday use has barely begun. It's slashed the cost of communications, and may be poised to do the same for sensing applications.

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