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safety instrumented system |
Also found in: Wikipedia | 0.03 sec. |
safety instrumented systemA system that protects a manufacturing or operating process. Conforming to the IEC 61511 or 61508 standards, such a system is designed to shut itself down or change to a reduced operational state in the event of failure or hazardous situation. Also called "ESD system," "emergency shutdown," "safety shutdown" and "emergency trip system." See safety. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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