摘要
概述了现场总线技术的定义、特点、组成、发展与分类等,对常见的三种现场总线防爆方案进行了介绍,并给出了现场总线防爆的实施案例。结果表明,作为集诸多优点于一身的新一代控制系统,现场总线技术在危险场所中的广泛应用,将会给工作带来更大方便,进一步提高安全性及可靠性。
The author summarizes the definitions, feature, composition and categorization of field bussing technique, as well as its development. With a practical case, three common scheme of the field bus applied in hazardous areas are present in this article. It is proven that field bussing technique, as the new generation control system with many advantages, has applied widely in hazardous areas and it must contribute a lot both security and reliability of the Ex controlling system.
出处
《电气防爆》
2005年第3期37-39,42,共4页
Electric Explosion Protection
关键词
现场总线
防爆
本质安全
field bus
explosion protection
Intrinsically safe
