摘要
低成本的小型集散控制系统适用于参数检测控制比较少的工艺过程。本文根据工程实例,介绍一个由PC机和智能仪表构成、采用两线制环形总线作为现场总线的小型集散控制系统的结构原理、总线接口和通信协议。该系统已成功地运行一年多,性能良好。
A lower-cost small DCS is suitable for less parameter detecting and controlling process, this paper introduces the structure,principle,bus interface and communication protocol of a small DCS which is composed of PC and intelligent instruments with two - wire ring bus. This system has run for one year successfully. The performance is good.
出处
《电气自动化》
北大核心
1999年第3期34-35,共2页
Electrical Automation
