一种功能安全型安全继电器的开发流程  

Developing Process of the Functional Safety Relay

作　　者：阚明生 曹萃文[1] 

机构地区：[1]华东理工大学化工过程先进控制和优化技术教育部重点实验室,上海200237

出　　处：《自动化仪表》2015年第4期44-47,51,共5页Process Automation Instrumentation

基　　金：上海市自然科学基金资助项目(编号:12ZR1408100)

摘　　要：为了实现功能安全型安全继电器的国产化,研究了安全继电器的基本原理,并对与安全继电器开发有关的功能安全标准进行了解读。结合进口安全继电器的实际应用情况,提出了一种紧凑型安全继电器开发设计的流程,并对流程中的风险分析、确定方案、产品实现和功能安全认证等核心步骤进行了详细的介绍。此流程在后续的典型产品实现过程中得到了充分的验证,对开发安全控制系统相关的安全部件具有一定的指导意义。In order to achieve the localization of the safety functional relay, the basic principle of the safety relay is researched, and relevant functional safety standards for developing safety relays are interpreted. Combining with the practical application situation of imported safety relays, the process of development and design of safety relay is proposed. The kernel steps in this process, such as risk analysis, scheme determination, product implementation and functional safety certification are introduced in detail. This process is fully verified in subsequent implementation of typical products, and possesses certain significance in development of related safety parts in safety control systems.

关 键 词：安全继电器 功能安全 安全逻辑部件 性能等级 安全完整性等级 失效模式和影响分析(FMEA) 

分 类 号：TP211.5[自动化与计算机技术—检测技术与自动化装置]