【摘要】 论述了基于西门子S7系列PLC可编程控制器的网络控制实验系统的构建思路,实验室的建设改变了传统的以分散的PLC可编程控制器为基础的实验模式,符合现代自动化系统“集中管理、分散控制”分布式网络化控制系统发展趋势。介绍了该PLC网络实验系统的总体结构,说明了各部分设备配置的选型分析,阐明了实验项目的设计思路。通过实验教学实践证明,PLC网络实验系统将PLC的网络技术、通讯技术、控制技术整合在一起,是学生学习并掌握PLC应用技术的良好平台。更多还原

【Abstract】 This paper described the idea of configuration of the PLC network control system laboratory based on Siemens S7 PLC.The construction of the laboratory accords with the mode of modern automation system instead of traditional mode.The modern mode automation system is based on the dispersed network control system,according with the development trend of centralized management and distributed control.Selecting the type of experiment hardware was analyzed.And the design idea to experiment contents was presented.The PLC network control experimental system got the PLC network technology,communication technology and automation control technology inoculated together.Via the actual experimental,it is proved that this experimental system is a good platform for students to learn and master the technology of PLC application.更多还原