.1总则1.1 本规范适用于新建、改扩建石油化工装置(或工厂)安全仪表系统的工程设计。石油化工厂公用工程及辅助设施等工程设计可参照执行。1.2 安全仪表系统的工程设计必须满足石油化工装置(或工厂)安全等级的要求。1.3 相关标准如下:IEC 61508 “Functional safety of electrical/electronic/programmable electronic safety-related systems.”IEC 61511 “Functional safety: safety instrumented systems for the process industry sector.”ANSI/ISA-84.01 Application of safety instrumented system for the process industries.DIN V 19250 Programmable safety system.IEC 61131 Programmable controller.1.4