三菱Q系列PLC多层网络控制系统的研究

Research on Many Layers Network Based on MISUBISHI Q PLC

阐述了由三菱Q系列PLC构成,具有工业以太网、MELSEC NET/H网、CC-Link现场总线的多层网络控制系统。着重介绍了该网络系统的结构、特点、通信原理及通信方法,进行了深入地研究,并设计了现场总线应用的控制系统——炉窖网络控制系统。应用结果表明,利用该网络设计的控制系统具有保护功能齐全、通信速率快、实时性好、可靠性高、布线方便等优点,基于Q系列PLC网络控制系统具有较高的实用价值。

The system composed by MITSUBISHI Q PLC is introduced.It has many layers network including industrial Ethernet, MELSEC NET/H,CC-Link field bus and so on.The makeup,characteristic,communication principle and communication method of the network were expounded,and CC-Link control systems are studied thoroughly too.The control system of bus application--stove network control system is designed.Application result shows that the control system by utilizing bus has characteristics of complete protection function,rapid communication speed,good real-time,high reliability.