基于RS-485总线多CPU控制系统简化网络模型及其通讯协议  

Simplified Network Model and Communication Protocol of the Multi-CPUs Control System Based on RS-485 Bus

作　　者：刘俊伟[1] 

机构地区：[1]陕西理工学院,陕西汉中723003

出　　处：《工业控制计算机》2007年第6期40-41,共2页Industrial Control Computer

摘　　要：基于RS-485总线的多CPU控制系统中各个CPU控制之间要协调工作,则网络模型和网络通讯协议是非常重要的。针对该种控制系统的特点,提出了适用于该系统的RS-485网络简化模型和通讯协议。Network model and communication protocol is important for each controller of multi-CPUs control system based on RS-485 Bus to work in harmony.Being aimed at this control system＇s characteristic,network model and communication protocol being applied to this control system are suggested in this paper.

关 键 词：RS-485总线 网络模型 通讯协议 OSI TCP/IP 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]