DeltaV控制系统与西门子PLC基于ModbusRTU协议通讯  

DeltaV Control System and SiemensPLC Communication Based on the ModbusRTU Protocol

作　　者：陈桂华[1] 郭猛[1] 

机构地区：[1]中国石油天然气股份有限公司大连石化分公司,大连116031

出　　处：《中国仪器仪表》2013年第7期54-57,共4页China Instrumentation

摘　　要：本文以西门子S7-341PLC与艾默生公司的DeltaV控制系统通信为实例,通过对软件组态及串行通信参数的设置,介绍Modbus通讯协议、DCS控制系统与PLC系统进行通讯所需要的通讯卡件、各卡件为实现通讯所要进行的设置以及二者之间的通讯和以Modbus RTU通信协议为基础的串行通信的具体实现方法。In this article,the communication between Siemens S7-341PLC and DeltaV control system,which is made by Emerson Company,will be taken as an example,by setting the parameter of software configuration and serial communication,the Modbus communication protocol,communication cards needed for the communication between DSC control system and PLC system,the parameter settings for achieving the communication between these cards,the communication between the two parts and the exact method to achieve the serial communication based on the Modbus RTU communication protocol will be introduced in this article.

关 键 词：MODBUS通讯协议 CP341 DeltaV控制系统串行通讯 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]