摘要

本文首先對我國水電站計算機系統(tǒng)的水平及發(fā)展趨勢做了介紹；其次重點介紹了S7-200/300 PLC在水電站監(jiān)控系統(tǒng)LCU的應(yīng)用及在水電站技術(shù)供水系統(tǒng)的作用和在水電站油壓裝置中的應(yīng)用；再次用工程制圖畫了水電站計算機監(jiān)控系統(tǒng)結(jié)構(gòu)圖及硬件配置表；最后編了PLC控制系統(tǒng)程序。

關(guān)鍵詞：水電站發(fā)展趨勢 S7-200 系統(tǒng)結(jié)構(gòu)圖 PLC編程

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

目錄

第一章 緒論 ·····················································4

1.1我國水電站計算機系統(tǒng)的水平及發(fā)展趨勢··························4

1.1.1水電站最新技術(shù)···········································4

1.1.2水電站發(fā)展趨勢···········································6

1.2國內(nèi)外水電站計算機監(jiān)控系統(tǒng)的結(jié)構(gòu)模式·························11

1.2.1根據(jù)計算機在水電站監(jiān)控系統(tǒng)中的作用分類··················11

1.2.2其次,按計算機控制方式結(jié)構(gòu)來分析下列幾種模式系統(tǒng)·········14

第二章S7-200/300 PLC在水電站監(jiān)控系統(tǒng)LCU的應(yīng)用···············15

2.1 PLC現(xiàn)地控制器················································16

2.2 控制系統(tǒng)的功能···············································18

2.3 水力發(fā)電站排水系統(tǒng)控制系統(tǒng)···································20

第三章S7-200 PLC在水電站技術(shù)供水系統(tǒng)的作用····················23

第四章S7-200 PLC在水電站油壓裝置中的應(yīng)用······················25

4.1 油壓裝置自動化的必要性與控制要求···························25

4.2 PLC控制系統(tǒng)的硬件設(shè)計······································25

4.3 PLC控制系統(tǒng)的程序設(shè)計······································27

水電站計算機監(jiān)控系統(tǒng)結(jié)構(gòu)圖及硬件配置表··················29

5.1硬件配置表···················································29

5.2水電站計算機監(jiān)控系統(tǒng)結(jié)構(gòu)圖···································30

PLC控制系統(tǒng)程序············································31

6.1.潤滑與冷卻PLC控制系統(tǒng)梯形圖··································31

6.2.調(diào)相壓水綜合控制子程序··········

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