By using process variable (PV) and Status information only, you can effectively take a small sip from the fire hose of information available with todays smart transmitters. Be careful you dont get soaked!
Control Talk columnists McMillan and Weiner get an insightful reply as to why a plant instrument engineer said the control schemes and instruments successfully used at other locations won't work in his plant.
ControlGlobal.com presents "Ask the Experts," a column moderated by noted process control authority and columnist Bela Liptak. Save yourself the hefty consulting fees by getting the answer to your question from Liptak's cadre of professional automation experts.
SECCOs petrochem process facility goes from bare ground to on line in 27 months using a main instrument vendor to engineer and implement automation and control systems, and manage its multiple suppliers.
McMillan and Weiner imagine a transcript of a control engineer on a daytime talk show and offer up the Top 10 reasons why you wont find a model-based control text book anywhere in todays college classroom.
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.
Under the latest agreement, a joint maintenance team comprised of the Fieldbus Foundation, Profibus International, the Hart Communication Foundation and the OPC Foundation is in place to further develop EDDL technology. IAInsider's Andrew Bond reports.