Now, with many control systems being 30+ years old, most of these legacy systems have been placed in to end of life or retired lifecycle status. This means no further factory support is available. I caught up with Emerson’s Scott Ross about some of the choices that must be considered moving forward. Manufacturers and producers […]
One of my first assignments as a newly minted Electrical Engineer was to tend to a triple modular redundant (TMR) safety instrumented system (SIS) on an offshore Gulf of Mexico oil & gas gathering facility. This was back in the 1980s when these systems were introduced. Many manufacturers and producers have these older safety systems […]
Wikipedia defines a solenoid valve as an: …electromechanically operated valve. The valve is controlled by an electric current through a solenoid: in the case of a two-port valve the flow is switched on or off; in the case of a three-port valve, the outflow is switched between the two outlet ports. Multiple solenoid valves can […]
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 […]
I wanted to highlight a series of posts from Emerson’s Bruce Greenwald on his Process Control Musings blog. He highlights some additions to the DeltaV version 12 release— DeltaV Version 12 Fun Facts and Features: Part 1 Part 2 Part 3 Part 4 In Part 1, Bruce highlights the operating system capabilities—running on Windows 7 […]
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