包装生产线分布式测控系统中串行通信设计

Design of Communication in Distributed Controlling System of Packaging Production Line

采用RS - 4 85总线组建的分布式测控系统已广泛应用于工业自动化的远程控制中 ,简要介绍了包装生产线分布式测控系统的整体结构、硬件设计 ,着重探讨了如何在Windows环境下实现上位PC机和下位单片机及PLC的串行通信问题。

Distributed controlling system based on RS-485 bus has been widely used inindustrial control. This paper introduces the design of distributed controlling system ofpackaging production line, including its overall structure, hardware dispose. The discussioncenters on the serial communication between Personal Computer and Single-chip MC, PLCunder Windows circumstances.