S7单边通信在S7-400H冗余系统的应用  

Unilateral Communication of S7 Applied in S7-400H Redundant System

作　　者：马云峰 户建华 

机构地区：[1]山西漳泽电力河津发电分公司,山西运城043301

出　　处：《自动化应用》2014年第8期63-64,71,共3页Automation Application

摘　　要：介绍两套S7-400H冗余系统采用单边访问实现相互通信的应用实例,并对程序的设计进行详细说明,为其它设备不停机改造提供参考。The practical application of two set of S7-400 h redundant system communicates with each other using unilateral access is introduced. A detailed description of the program design is given. A reference for non-stop transformation of other equipment is provided.

关 键 词：单边通信 PLC 冗余 连接 

分 类 号：TK323[动力工程及工程热物理—热能工程]