Archive for the ‘Controllers & Positioners’ Category

IIoT in Steps for Monitoring Valve Health

Posted in Controllers & Positioners, Industrial IOT, Wireless on Tuesday, January 16th, 2018. No comments yet
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Manufacturers and producers can improve safety, reliability and efficiency by applying additional sensors, analytics and experts. Difficulties in installation have held back these improvements, but the Industrial Internet of Things (IIoT) technologies have significantly reduced these barriers. One example of IIoT in action is featured in a Valve magazine article, Monitoring Valve Health via the […]

Low-Bleed or Standard Relays for Control Valves?

Posted in Controllers & Positioners, Final Control Element on Tuesday, January 2nd, 2018. No comments yet
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Happy New Year everyone! I hope your holidays helped to recharge your batteries and get you off to a great start for 2018. I saw this exchange in my email over the holidays about the effects of using low-bleed relays with Fisher DVC6200 digital valve controllers for control applications as compared to standard relays. This […]

5 Questions for Digital Valve Controller and Safety Expert Riyaz Ali

Posted in Controllers & Positioners, Safety on Wednesday, May 3rd, 2017. No comments yet
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Let’s continue our 5 Questions for an Emerson Expert podcast series with our guest, Riyaz Ali. You may recall Riyaz from numerous posts about digital valve controllers and final control elements in safety instrumented system applications. He has almost 40 years’ experience in process control instrumentation and holds numerous patents related to use of digital […]

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Control Valve Condition Monitoring Connected Services

Posted in Controllers & Positioners on Monday, March 27th, 2017. One comment so far
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As sensors and final control elements grow ever smarter with digital diagnostics and communications paths, the need to make sense of this data to improve safety, reliability and efficiency also grows. Not only is improved analytic software required to help spot trends and abnormalities, but also experts to help provide guidance to put this information […]

Testing Valves in Safety Instrumented Functions

Posted in Controllers & Positioners, Safety on Friday, August 26th, 2016. No comments yet
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Safety instrumented systems are a critical part of process manufacturers and producers overall process safety management in protecting personnel, environment, equipment, property, reputation and image. In an Offshore Engineer article, Safety Instrumented Function loop ‘final element’ problems and solutions, Emerson’s Riyaz Ali describes the importance and ways to test the final control elements in these […]