用标准化网络体系结构设计RS-485控制网络

Design of RS\|485 Control Network with Standard Network Architecture

用ＲＳ－４８５ 构成的分布式数据采集与控制网络由于设备简单，成本低和维护方便，因此很适用于工业自动化的远程控制。根据网络的标准化体系结构ＯＳＩ方案的层次模型原理介绍了它的设计与组网方法，并给出了实际的软硬件设计实例。应用该方法设计的ＲＳ－４８５ 网络条理清楚，性能完善，协议规范。

The distributed data collection and control network composed of RS\|485 is very suitable for remote control in industry automation due to its simplified equipment,low\|cost and easy maintenance.According to the layer model principle of the network standard system architectue OSI scheme,this paper introduces its design and network organizing method,meanwhile,gives practical examples of software and hardware design. RS\|485 network dsigned by this method is highly valuable in practice because of its clear presentation,perfect performace and regular protocol.