摘要 本文首先对我国水电站计算机系统的水平及进展趋势做了介绍;其次重点介绍了 S7-200/300 PLC 在水电站监控系统 LCU 的应用及在水电站技术供水系统的作用和在水电站油压装置中的应用;再次用工程制图画了水电站计算机监控系统结构图及硬件配置表;最后编了 PLC 控制系统程序。 关键词:水电站进展趋势 S7-200 系统结构图 PLC 编程 Abstract the PLC S7-200/300 monitoring system in hydropower station LCU application and technical system of water supply in hydropower station of the function and application in the hydropower station hydraulic device; Again with the system of engineering drawing hydropower station computer monitoring system structure diagram and the hardware configuration table; The last program the PLC control system. Key Words: Hydropower development trend ; S7-200 ; PLC programming ;System structure of the system 目录第一章 绪论 ·····················································4 1.1 我国水电站计算机系统的水平及进展趋势··························4 1.1.1 水电站最新技术···········································4 1.1.2 水电站进展趋势···········································61.2 国内外水电站计算机监控系统的结构模式·························11 1.2.1 根据计算机在水电站监控系统中的作用分类··················11 1.2.2其次,按计算机控制方式结构来分析下列几种模式系统·········14第二章 S7-200/300 PLC 在水电站监控系统 LCU 的应用···············15 2.1 PLC 现地控制器················································16 2.2 控制系统的功能···············································18 2.3 水力发电站排水系统控制系统·····················...