工业过程测量和控制 系统评估用系统特性的评定 第7部分:系统安全评估

[中文适用范围]： IEC 61069 的这一部分详细描述了用于系统评估工业过程测量和控制系统的安全特性的方法。本标准中的安全处理仅限于工业过程测量和控制系统本身可能存在的危险。排除了待评估的工业过程测量和控制系统控制下的过程或设备可能引入的危险。如果系统任务包括可能影响受控过程或设备安全的活动，则这些活动的要求是 IEC 61508 的主题。 [外文原描述]： The treatment of safety in this standard is confined to hazards that can be present within the industrial-process measurement and control system itself. Considerations of hazards that can be introduced by the process or equipment under control of the industrial-process measurement and control system to be assessed are excluded. If the system mission includes activities which could affect the safety of the process or equipment under control, the requirements of these activities are the subject of IEC 61508.