bn:03404883n
Noun Concept
Categories: Process safety, Safety engineering, Risk
EN
Safety instrumented system  Emergency Shutdown System  Critical control system  Equipment protection system  LOPA
EN
In functional safety a safety instrumented system is an engineered set of hardware and software controls which provides a protection layer that shuts down a chemical, nuclear, electrical, or mechanical system, or part of it, if a hazardous condition is detected. Wikipedia
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