Environment & Safety Gas Processing/LNG Maintenance & Reliability Petrochemicals Process Control Process Optimization Project Management Refining

October 2007

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HP Automation Safety: Still not using a safety PLC?

The concept of using a special-purpose programmable logic control (PLC)/controller designed for fail-safe operation started over 25 years ago. The early programmable machines were designed applying th..

exida LLC: Goble, W.

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