SAFETY INSTRUMENTED SYSTEMS(SISs)- THE instrumentation and controls intended for handling process risks - play a vital role in ensuring plant safety.In September 2004,the European Committee for Electrotechni-cal Standardization and the American National Standards Institute(ANSI)adopted a new standard related to such systems.This standard,called IEC 61511,EN IEC 61511 or ANSI/ISA 84.00.01-2004 Parts 1-3(IEC 61511 Mod),now becomes the primary driving force behind the work processes that should be followed to design and manage SISs.It applies to any new or expanded process unit and to the upgrade of an existing SIS.
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机译:安全仪表系统(SIS)-用于处理过程风险的仪器和控制装置-在确保工厂安全方面起着至关重要的作用.2004年9月,欧洲电工技术标准化委员会和美国国家标准协会(ANSI)通过了一项新的规定。与此类系统相关的标准。该标准称为IEC 61511,EN IEC 61511或ANSI / ISA 84.00.01-2004第1-3部分(IEC 61511 Mod),现已成为工作流程背后的主要驱动力设计和管理SIS,它适用于任何新的或扩展的过程单元以及现有SIS的升级。
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