燃气电厂DCS与PLC的Modbus通讯设计及应用  

Modbus Communication Design and Application of Gas Fired Power Plant DCS and PLC

作　　者：孙健[1] 马立阁[1] 

机构地区：[1]上海发电设备成套设计研究院,上海200240

出　　处：《发电设备》2010年第4期306-308,共3页Power Equipment

摘　　要：通讯的实施是电厂各控制系统稳定运行的基础。介绍了燃气电厂集控室DCS系统和启动锅炉控制室PLC系统之间通讯的设计方案,Modbus通讯协议的主要特点和应用过程。详细地介绍了两系统间通讯设置、硬件连接以及调试。The actualization of communication is the base of electric circuit control system.The design scheme of communication within DCS system of centralized control room for gas fired power plant and PLC system of control room to start-up boiler,the main point and application process of Modbus communication agreement are introduced.The communication setting,hardware connecting and debugging are introduced in detail.

关 键 词：火电厂 自控设备 通讯方式 

分 类 号：TM621.6[电气工程—电力系统及自动化]