IEC 61511-1过程工业安全仪表系统的功能安全-第1部分:框架、定义、系统、硬件和软件要求
IEC 61511-2过程工业安全仪表系统的功能安全-第2部分:IEC 61511的应用指南
IEC 61511-3过程工业安全仪表系统的功能安全-第3部分:确定要求的安全完整性等级的指南
说明:以下术语摘录自IEC61511标准和相关的标准翻译稿,其中有一些术语在前面出现过,但表述略有不同,差别反映了过程控制领域的习惯与特殊性。
结构 architecture
Arrangement of hardware and/or software elements in a systemCONTROL ENGINEERING China版权所有, for example
(1) arrangement of safety instrumented system (SIS) subsystems
(2) internal str
(3) arrangement of software programs
系统中硬件和/或软件元素的安排,如:
(1)安全仪表系统(SIS)子系统的安排;
(2)SIS子系统的内部结构;
(3)软件程序的安排。
资产保护 asset protection
Function allocated to system design for the purpose of preventing loss to assets
为防止资产损失分配给系统设计的功能。
基本过程控制系统(BPCS) basic process control system(BPCS)
System which responds to input signals form the processwww.cechina.cn, its associated equipment, other programmable systems and/or an operator and generates output signals causing the process and its associated equipment to operate in the desired manner but which does not perform any safety instrumented functions with a claimed SIL≥1
对来自过程的、系统相关设备的、其他可编程系统的和/或某个操作员的输入信号进行响应www.cechina.cn,并产生使过程和系统相关设备按要求方式运行的系统,但它并不执行任何具有被声明的SIL≥1的仪表安全功能。
通道? channel
element or group of elements that independently perform(s) a function
独立执行一个功能的一个或一组元素。
编码 coding
共同原因失效 common cause failure
failure控制工程网版权所有, which is the result of one or more events, causing failures of two or more separate channels in a multiple channel systemCONTROL ENGINEERING China版权所有, leading to system failure
由一个或多个事件引起一个多通道系统中的两个或多个分离通道失效,从而导致系统失效的一种失效。
共同模式失效 common mode failure
failure of two or more channels in the same way, causing the same erroneous result
两个或多个通道以同样的方式引起相同的误差结果的失效。
部件 component
one of the parts of a systemCONTROL ENGINEERING China版权所有, subsystemCONTROL ENGINEERING China版权所有, or device performing a specific function
执行某一特定功能的系统、子系统或装置的一个组成部分。
3.2.8
配置 configuration
配置管理 configuration management
discipline of identifying the components of an evolving (hardware and software) system