Posts Tagged ‘Dan Daugherty’

More on Foundation Fieldbus and HART

Posted in Foundation Fieldbus, Profibus on Wednesday, December 11th, 2013. One comment so far
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I wanted to bring visibility to several recent comments from an earlier post, Major Difference between Foundation Fieldbus and HART Protocols. Here’s the summation thought from the first comment: …With one software package, and as put above with HART pass-through, you can document EVERY HART instrument on site, and THEN with Plantweb, monitor the lot […]

Considerations in Foundation Fieldbus Cable Design

Posted in Foundation Fieldbus, Project Services on Tuesday, August 28th, 2012. No comments yet
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The Fieldbus Foundation has an active LinkedIn group where users of this digital bus communications technology share expertise. I saw a recent question [hyperlink added]: i came across a document which mentioned that in reality IEC 61158 specified cable is actually not required. They may bring installation benefits, but is not required. Emerson’s Dan Daugherty, […]

Guidelines for Engineering Wireless Instrumentation

Posted in Project Services, Wireless on Monday, December 13th, 2010. One comment so far
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I caught up with Emerson’s Dan Daugherty, whom you may recall from earlier digital bus and wireless-related posts. Dan has been focusing his efforts on WirelessHART project implementation practices over the past year. Much like the introduction of various fieldbuses led to the need for design guidelines to better incorporate these technologies into automation projects, […]

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The Case for Control in the Field-based Control

Posted in Foundation Fieldbus on Monday, March 8th, 2010. No comments yet
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John Rezabek closes his ControlGlobal.com Surprise! Field-Based Control Beats DCS article with the thought: The SP50 committee set out years ago to define and specify a robust, vendor-independent controls suite exploiting the intelligence of microprocessor-based field devices that would equal or exceed the “bulletproof” DCSs of the 90s. They succeeded. The source of this conclusion […]

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Dispelling a Rules of Thumb in Foundation Fieldbus Segment Sampling Rate

Posted in Foundation Fieldbus, Project Services on Thursday, January 14th, 2010. No comments yet
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On the Fieldbus Foundation Forums is a recent post, Macrocycle for control in the controller. The post begins: I have seen many posts about scheduling and macrocycle calculation for control-in-the-field (CIF). I have some doubts about control-in-the-controller (CIC) application. Unfortunately, there is no other option in the project I am working for. The question asks […]

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