The structure and characteristic in the system of Fieldbus Control System(FCS)are introduced.In the paper, we describe how to choose the meters, configuring the system and condition of running in PO.

• 介绍现场总线控制系统（FCS）的系统结构与特点，现场总线在环氧丙烷生产装置上应用中仪表选型、系统组态及运行清况。