Articles

3441-3460 of 3942 < first | | | last >
  • OPC for process historian data optimization

    OPC not only provides a standardized mechanism for collection of real time process data, it also enables multi-vendor historical analysis solutions that help maximize return on process history investments.

    08/25/2005
  • Distributed intelligence stands alone

    To make server-based systems work, the real-time controls have to go it alone when necessary. CONTROL Senior Tech Editor Rich Merritt takes a look at some of the distributed intelligence that makes it all possible.

    08/24/2005
  • Fieldbus Wars continue: EDDL vs. FDT/DTM

    Fieldbus technology expert Dick Caro predicts that as Ethernet-based control networks converge into the domain of fieldbus, there will eventually be a conflict between OPC/DX, FDT/DTM, and EDDL.

    08/23/2005
  • Energy alternatives – Hydrogen

    Around the Loop columnist Terry McMahon asserts that recent industry attempts at producing hydrogen for transportation fuel from natural gas is a huge thermodynamic blunder.

    08/22/2005
  • Intrinsically wicked

    Control Talk columnists McMillan and Weiner rustle up answers to why an electrode changed when it was inserted, then provide a bit of humor with a Top Ten list of reasons not to retire.

    08/22/2005
  • Failing safely with shutdown systems

    This month's edition of Ask The Experts focuses on a reader's need for clarification of international standards for the design of a gas and fire shutdown system for offshore oil and gas platforms.

    08/22/2005
  • Use RFID to improve your automation systems

    Senior Technical Editor Dan Hebert, PE, addresses RFID technology and explains how RFID systems are being lnked to process automation systems to deliver process improvements.

    08/22/2005
  • ANSI/ISA standard affects existing SISs

    CONTROL contributor Angela Summers addresses ANSI/ISA 84.00.01-2004 and concludes it is identical to IEC 61511 with one exception: a U.S. grandfather clause for existing safety instrumented systems.

    08/22/2005
  • Non-contact level gauges rated

    Published reference accuracy specifications for non-contact level gauges often do not represent the performance statements the supplier intended, because what vendors say isn’t always what they mean.

    08/22/2005
  • Lessons learned from HMI upgrades

    This article on HMI upgrades for control systems includes suggestions on project approaches, managing data sources and managing the data funnel. Also included: a ten-step process for you to manage reality

    08/22/2005
  • Keep your wireless business secure

    Wireless technologies create security vulnerabilities that can threaten your manufacturing network, but a simple plan can protect the enterprise. Find out why security continues to be a top priority in the process industries.

    08/22/2005
  • HART to the future!

    HCF turbocharges plant communications with Enhanced Device Description Language (EDDL) and wireless HART to improve the ability to establish full-time digital connectivity to field devices.

    08/18/2005
  • Ethernet on your mind?

    With Ethernet’s proliferation to the plant floor, this is a good time to summarize some of the important considerations when installing this technology in an industrial environment.

    08/10/2005
  • You can be easily alarmed

    It’s high time the industry stops thinking about alarm systems as purely reactive devices. These days, they also can be an effective tool in tracking and identifying little problems before they become big problems.

    08/10/2005
  • Untangle industrial network selection

    There's no universal answer for figuring out the benefits and trade-offs that enter into network selection, but here are some observations that can help automation designers.

    08/10/2005
  • What’s your taste in Ethernet?

    When planning a high-speed motion control application, consider the features you need, the deterministic nature of your application, and just how much Ethernet compatibility your system requires.

    08/10/2005
  • Intrusion detection and cyber security

    SecureSystems Insider Contributor Dale Peterson disucusses current SCADA security deficiencies within the process control community and how we need to find compensating security controls until secure systems are available.

    08/09/2005
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