本文提出了基于网际组件WebAccess 的远程控制系统。系统中利用WebAccess 与下位机西门子PLCS7-300 间通信,实现了远程监控及实时分析的网络控制系统,以较低的成本完成了对PLC 控制电机系统的远程在线实时监控。 关键词:WebAccess,远程监控,PLC,网络控制 Abstract: This paper provided a remote monitor and control system design for laboratory based on broadwin WebAccess. According establishing the communication with PLC by WebAccess, the real_time monitoring and analysis of the control system based on network is finished. In this way, the system the system not only reduce costs, finishes the remote real_time monitor to PLC electromotor system as well. Keywords: WebAccess;remote monitor;PLC;the control based on network