PLC网络控制系统的研究  

Research of PLC Control System Based on Network

作　　者：方清城[1] 华路光[1] 罗中良[1] 

机构地区：[1]佛山科学技术学院自动化系,广东佛山528000

出　　处：《机床与液压》2009年第7期168-170,共3页Machine Tool & Hydraulics

摘　　要：阐述了以FX2N系列PLC作为主站,构成的CC-Link开放式现场总线网络控制系统。着重介绍了该总线的网络特点、功能、通信原理及通信方法,并设计了总线应用的网络控制系统及通信程序。实践证明,利用该总线设计的控制系统具有实时性好、通信速率快、扩展性强、布线方便、成本低等优点。The master station with FX2N series PLC was introduced, the open CC-Link field bus network control system was consituted. The network characteristic, function, communication principle and communication method of field bus were expounded. The control system of field bus application was designed, and communication program was given. The practice shows that the control system by utilizing field bus has the characteristics such as good real-time, rapid communication speed, excellent expansibility, convenient wiring and low cost.

关 键 词：网络控制系统 PLC CC—Link 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]