Making Plant-Floor Process Applications and Their Enterprise Levels More Efficient

Improved enterprise connectivity solutions bring process applications closer to upper-level systems and enable faster, better decisions and more efficient operations.

Jim Montague
CG1501 BusStopThumb

Just as the express train is faster than the local, and taking an elevator is quicker than climbing stairs, several new methods and tools are shortening and speeding up trips between plant-floor process applications and their enterprise levels—often with help from cloud-based services. Formerly separate software and programming areas that divided these functional realms and required multiple steps to travel from one to the other are steadily consolidating and enabling even small process control applications to benefit from closer ties with their upper levels, just as their larger counterparts do. For instance, Coca-Cola Refreshments in Atlanta has been using GE…

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Timeless Resources

Beginner's Guide to Differential Pressure Level Transmitters

By David W. Spitzer

The importance of level measurement cannot be overstated. Incorrect or inappropriate measurements can cause  levels in vessels to be excessively higher or lower than their measured values. Low levels can cause pumping problems and damage the pump, while high levels can cause vessels to overflow and potentially create safety and environmental problems. Vessels operating at incorrect intermediate levels can result in poor operating conditions and affect the accounting of material. Learn more.

Controllers: Direct vs. Reverse-Acting Control

By Bela Liptak

Valve failure position is determined by safety considerations. If, in case of failure, you want your column to go on full reflux, your selection where the reflux control valve is fail-open, and net overhead control valve is fail-close, is right. Assuming that the valve actuators are spring-operated pneumatic ones, and assuming that you define "failure" as the loss of air supply, the spring will act to open a fail-open (FO) valve and to close a fail-closed (FC) valve, regardless what the controller actions are. Read more.

Voices: Ask The Experts

Modeling the Weather, Measuring Bulk Solids with Radar and Benchmarks for Loop Checking Productivity

Our Experts Tackle Three Difficult Questions

By Béla Lipták

Q: Modeling the Changing Weather A couple of years ago I asked you if the knowledge gained in controlling industrial processes would also be useful in modeling global ones, and you showed why it would. Now I would like to ask a more specific question. How would you go about modeling the…

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Control Talk Blog

Why Tuning Tests are Not Repeatable Tips

Each process test will typically give a different result in the process dynamics identified and consequential tuning settings calculated. Here we look at the sources of this lack of repeatability, the implications, and what can be done to improve tuning tests.

Control Talk Blog

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