October 2018

Process Control and Instrumentation

The road to successful plant modernization

Any personnel working in a refinery or heavy petrochemical plant with “vintage” automation equipment are painfully aware of the effects a distributed control system (DCS) from the 1990s, 1980s or even earlier can have on operations.

Kang, H., Yokogawa Corp. of America

Any personnel working in a refinery or heavy petrochemical plant with “vintage” automation equipment are painfully aware of the effects a distributed control system (DCS) from the 1990s, 1980s or even earlier can have on operations. These old control platforms are built on long-obsolete technology, which means that replacement parts and people who understand how they work are in short supply. These challenges are growing with each passing day. Unscheduled outages caused by failures of old components threaten plant efficiency and even operational viability. However, some plants are still postponing upgrades to current platforms. Those faciliti

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