摘要： 通信网络是DCS系统的重要组成部分。该文在讨论DCS通信网络特点的基础上，提出根据DCS的分层结构来设计其通信网络的思想，并给出具体应用实例。

关键词: DCS, 通信网络, 可靠性, 实时性, PLC

Abstract: Communication network is the important part of DCS system.By discussing the character of the communication network of the DCS system. The paper puts forward an idea of design the communication network based on DCS layered architecture.At last it illustrate this idea with an example.

中图分类号: 

• TP273.5