基于Modbus协议的DCS系统与PLC系统的通讯

摘要

本文主要讨论Honeywell PKS系统与Tricon PLC之间通过Modbus协议进行实时通讯的开发与应用,介绍了Modbus协议的特点,对两系统的结构、硬件配置和软件组态方面作了较为详细的说明.%This article mainly discusses the application and development of the realtime communication through MODBUS protocol between HONEYWELL PKS system and Tricon PLC,and introduces the characteristic of MODBUS protocol. It makes comparatively detailed introduction of system structure, hardware setting and software configuration of two systems.