铁路服务之SIL(安全完整性等级)

  Railway Business Services - SIL(Safety Integrity Level)

  安全完整性等级(SIL)划分为SIL0,SIL1,SIL2,SIL3,SIL4共5个等级,其中每个等级对应一个具体的危险侧失效率数值。

  Safety integrity level (SIL) is defined as a relative level of risk-reduction provided by a safety function, or to specify a target level of risk reduction. In simple terms, SIL is a measurement of performance required for a safety instrumented function (SIF).

  随着轨道交通的迅速发展,安全越来越获得重视,SIL技术规范也越来越得到广泛的认可。

  With the rapid development of railway,the importance of safety has been addressed ever since and SIL specifications has been recognized widely.

  审核/评估和认证Audit, Assessment and Certification

  ·安全证明文件的评估(分别根据EN 5012x 系列和IEC 61508标准)

  Assessment of safety documents ( according to EN 5012x series and IEC 61508 standards)

  ·用户手册,维护和维修指南的检查

  Inspection of user manual, maintenance and repair guide

  ·安全管理审查/ 工厂审查

  Safety management review / factory audit

  ·验证和测试

  Verification and test

  ·产品功能确认

  Validation of the product function

  测试服务 Testing services

  ·根据环境安全、电磁兼容、电气安全、功能安全和安保要求进行产品测试

  Conducting product tests based on environmental safety, electromagnetic compatibility, electrical safety, functional safety and security requirements