在介绍现代工业生产高度可靠性、高度智能化与实时性的特点的基础上 ,分析了现代工业生产对远程实时监控系统的要求和监控系统所必须具备的主要功能 ,提出了设计具有高可靠性的远程实时监控系统的若干准则 ,并据此研究了一种以PLC为基础的具有高可靠性的实时远程监控系统总体框架模型 .最后给出了该模型在化工生产过程中的应用实例 .实践证明该模型应用方便 ,实现容易 ,具有较高可靠性 On the basis of introducing the characteristics of modern industrial production highly reliable, highly intelligent and real-time, this paper analyzes the requirements of modern industrial production for remote real-time monitoring system and the main functions that the monitoring system must possess, and proposes the design of high reliability Based remote monitoring system, and based on this, a PLC-based high reliability real-time remote monitoring system overall framework model is given.Finally, the application of this model in the chemical production process is given. It is proved that the model is easy to use, easy to implement and highly reliable