【摘要】 介绍了一类基于PLC的分布式控制系统(DCS)的设计任务与方案。其主要内容为上位机软件和现场总线网络,即PLC与计算机间的ControllerLink通信技术和Omronα系列PLC与Cpm1a系列PLC间的通信协议宏功能。更多还原

【Abstract】 To introduce the project and task of a kind of Distributed Control System (DCS) based on PLC.The main content is computer software and field bus network.It includes the Controller Link communication technology between PLC and computers,the communication protocol macro function between Omron α PLC and Cpm1a PLC.更多还原