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Welcome to the official blog of the International Society of Automation (ISA).

This blog covers numerous topics on industrial automation such as operations & management, continuous & batch processing, connectivity, manufacturing & machine control, and Industry 4.0.

The material and information contained on this website is for general information purposes only. ISA blog posts may be authored by ISA staff and guest authors from the automation community. Views and opinions expressed by a guest author are solely their own, and do not necessarily represent those of ISA. Posts made by guest authors have been subject to peer review.

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Eliminating Difficult Start-ups with State Based Controls

This post was submitted by Katherine Persac. 

Track - Automated Startup of A Difficult Process; Presented at ISA Automation Week in Mobile, Alabama,  October 18.

Some processes are just difficult to start up. Every year, significant production is lost due to start up delays, product quality issues after startup, mistakes or gaps in operator expertise and other reasons. In fact, the U.S. Chemical Safety Board has estimated that the total loss due to operator error is $10B per year. In addition, because 70% of process incidents occur during start-up and shutdowns, safety can also be positively impacted by automating the process start-up.

Process start-ups can be completely automated and places the operator in supervisory mode approving the continuation of the process at specific intervals. The automation of start-up allows every start up to be exactly the same, no matter which operator is at the controls. The automation eliminates potential errors and overshoots which preserves the integrity of the startup and eliminates most recycle, purges, safety trips and lost production.

Using state based controls has cut average start-up time by a substantial amount, some as much as 50% or more. This is accomplished by streamlining the process and using the logic tools for automation. Automated start-up improves profitability and enhances flexibility of the process. Project ROI estimates show that the project typically pays for itself in about 3 months.

About the Author: Dustin Beebe is CEO of ProSys, Inc., a global process control software and engineering firm headquartered in Baton Rouge, LA. Dustin joined ProSys in 1996. He has worked in the areas of alarm management, model predictive control, basic control, advanced regulatory control, system integration, control system design, software development, and safety systems. Dustin earned a B.S. in Chemical Engineering from the University of Arkansas in 1996 and earned his PE designation in 2001.


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