电水站计算机监控系统 --本科毕业论文.docVIP

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电水站计算机监控系统 --本科毕业论文.doc

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电水站计算机监控系统 --本科毕业论文

摘要本文首先对我国水电站计算机系统的水平及发展趋势做了介绍；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：水电站发展趋势 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发展趋势··························4 1.1.1水电站必威体育精装版技术···········································4 1.1.2水电站发展趋势···········································6 1.2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···································20 第三章S7-200 PLC在水电站技术供水系统的作用····················23 第四章S7-200 PLC在水电站油压装置中的应用······················25 4.1 油压装置自动化的必要性与控制要求···························25 4.2 PLC控制系统的硬件设计······································25 4.3 PLC控制系统的程序设计······································27 水电站计算机监控系统结构图及硬件配置表··················29 5.1硬件配置表···················································29 5.2水电站计算机监控系统结构图···································30 PLC控制系统程序············································31 6.1.润滑与冷却PLC控制系统梯形图································