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首页> 外文会议>Tenth Safety-critical Systems Symposium, Feb, 2002, Southampton, UK >Engineering SCADA Products for Use in Safety- Related Systems
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Engineering SCADA Products for Use in Safety- Related Systems

机译：用于安全相关系统的工程SCADA产品

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摘要

Supervisory Control and Data Acquisition (SCADA) systems are a class of control system used in a variety of application domains. Although SCADA systems are rarely relied on to provide the sole mitigation against high-risk hazards, they are frequently used to contribute to the management of hazardous situations, or to implement partial defences. As such, in some applications, SCADA systems are safety-related systems (as opposed to safety-critical systems). In determining the safety integrity requirements of a SCADA system, one must consider the environment in which the system is to be deployed, taking into account the availability of other hazard defence mechanisms and considering the proposed operational procedures. In this sense, the safety integrity requirements are generally not known until a safety analysis of a specific system in its target environment is performed. On the other hand, there is a growing demand for the use of standard, COTS, SCADA products that are combined to synthesize systems. This paper discusses the issues involved in engineering a base SCADA product for use in a diverse range of systems, both safety-related and non-safety-related. In particular, we address the issue of how to provide a base level of product assurance that can be used, if it ultimately proves necessary, to support system safety cases.
机译：监控和数据采集（SCADA）系统是在各种应用领域中使用的一类控制系统。尽管很少依赖SCADA系统来减轻高风险危害，但它们经常用于促进危险情况的管理或实现部分防御。因此，在某些应用中，SCADA系统是与安全相关的系统（与安全关键系统相对）。在确定SCADA系统的安全完整性要求时，必须考虑到要部署该系统的环境，同时要考虑其他危险防御机制的可用性并考虑建议的操作程序。从这个意义上讲，通常直到对特定系统在其目标环境中进行安全分析后，安全完整性要求才会为人所知。另一方面，对于将标准，COTS，SCADA产品结合使用以合成系统的需求日益增长。本文讨论了设计SCADA基本产品以在各种与安全相关和与非安全相关的系统中使用的问题。尤其是，我们解决了如何提供基本级别的产品保证的问题，如果最终证明有必要，可以使用该产品保证来支持系统安全案例。

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