InTech

MAY-JUN 2017

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ISA INTECH STAFF CHIEF EDITOR Bill Lydon blydon@isa.org PUBLISHER Susan Colwell scolwell@isa.org PRODUCTION EDITOR Lynne Franke lfranke@isa.org ART DIRECTOR Colleen Casper ccasper@isa.org SENIOR GRAPHIC DESIGNER Pam King pking@isa.org GRAPHIC DESIGNER Lisa Starck lstarck@isa.org CONTRIBUTING EDITOR Charley Robinson crobinson@isa.org ISA PRESIDENT Steven W. Pflantz PUBLICATIONS VICE PRESIDENT James F. Tatera EDITORIAL ADVISORY BOARD CHAIRMAN Steve Valdez GE Sensing Joseph S. Alford Ph.D., P.E., CAP Eli Lilly (retired) Joao Miguel Bassa Independent Consultant Eoin Ó Riain Read-out, Ireland Vitor S. Finkel, CAP Finkel Engineers & Consultants Guilherme Rocha Lovisi Bayer Technology Services David W. Spitzer, P.E. Spitzer and Boyes, LLC Michael Fedenyszen R.G. Vanderweil Engineers, LLP Dean Ford, CAP Westin Engineering David Hobart Hobart Automation Engineering Allan Kern, P.E. Tesoro Corporation Perspectives from the Editor | talk to me INTECH MAY/JUNE 2017 7 IT and OT convergence By Bill Lydon, InTech, Chief Editor damage from disruption are so radically different. Operationally, OT in most cases runs 24x7, and planned outages are sel- dom. Systems are expected to run for many months or years without interruption. Un- planned outages are a crisis that require emergency procedures and responses to restore normal operations. A controlled shutdown is preferable to the risk of an OT system crash, which may put lives on the line, as well as equipment and facilities that could cost tens or even hundreds of millions of dollars to replace. There are technical challenges, but many users I meet discuss the organizational is sues related to IT and OT silos in organi- zations. People on both sides are essential for successfully managing and executing the transition to converged, aligned, and integrated IT and OT systems. There needs to be shared goals for IT and OT conver- gence to optimize business processes and enhanced information for better decisions, reduced costs, lower risks, increased qual- ity, improved productivity, and achieving high total system availability and reliability. The common denominator in compa- nies I have talked with that are successful in converging IT and OT is at the people level. IT and OT people have developed a rapport and mutual respect so they can fo- cus on common goals. These relationships avoid the "us versus them" standoff to protect the IT and OT silos. The world is a highly competitive place, and I believe successful IT and OT conver- gence will be essential for companies to survive and thrive relative to competitors in the future. Have you had coffee with your IT people and taken them on a plant tour lately? n I nformation technology (IT) and opera- tional technology (OT) convergence is being discussed at virtually all the nu- merous industry conferences and sympo- siums I attend. The goal of IT and OT con- vergence is the orchestration of all aspects of manufacturing, including customer re- quirements, supply chain, production, and logistics, to achieve efficient manufactur- ing in all industries, including discrete, pro- cess, and utilities. Industrial automation and control systems are an integral part of OT. Manufacturing organizations have a history of separate IT and OT departments with each focusing on their respective functions. Many companies have come to the realization that to be more responsive to their customers and achieve competitive manufacturing, there needs to be a con- vergence of IT and OT. There are technical challenges to integrat- ing IT and OT and fortunately new techni- cal solutions to help this happen. Bridging communications from the world of auto- mation and control with IT systems without impacting the operations of automation and control systems can be a challenge. Auto- mation and control systems must function in real time without fail. IT interfaces must be nonintrusive for production operations to continuously run smoothly and efficiently. The contrast between cybersecurity in the IT world and requirements for automation and control systems is a serious topic, because there are major differences in requirements. ISA-99 cybersecurity standards are certainly valuable in architecting and protecting in dus- trial automation systems, recognizing the difference relative to IT. OT and IT place different emphasis on avoiding failures, because the impacts and Many companies have come to the realization that to be more responsive to their customers and achieve competitive manufacturing, there needs to be a convergence of IT and OT.

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