摘要
介绍了过程控制系统的网络环境,根据过程控制系统开发过程中所涉及到的数据通讯问题,总结了S7-400PLC与过程计算机之间进行通讯的配置方法和数据通讯过程,并提出了开发过程计算机通讯软件的设计规划。
The paper introduces the network environment of process control system,and summarizes communication method and process between S7-400 PLC and process control computer,according the communication problem during the development of process control system.The design program of the communication software is proposed in the end.
出处
《工业控制计算机》
2005年第11期69-70,76,共3页
Industrial Control Computer
