安全仪表系统安全完整性等级的评估技术

Estimating Technology of Safety Integrity Level of Safety Instrumented System

介绍了安全仪表系统在现代过程工业中的作用和地位以及功能安全的特点和标准体系,重点阐述了安全完整性等级的划分和评估过程,以及SIL等级的确定和计算方法,为安全仪表系统SIL等级评估提供依据。

The paper introduces the role and status of SIS in modem industry process as well as features and standard system of functional safety, elaborates classification of safety integrity level and evaluation process, as well as the identification and calculation of SIL grade, and provides a basis for SIL level evaluation of SIS.