北科大plppt課件-展示頁
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【正文】 Controllers Theory and edition. An Industrial Text Company Publication ， Atlanta ? Geia ? USA 2. 李希勝 舒雄鷹 編，校內(nèi)講義 《 Programmable Controller Theory and Its Application 》 3. 李希勝 孫昌國(guó) 舒雄鷹 編著，中國(guó)計(jì)量出版社 《 可編程控制器原理及應(yīng)用 》 4. 廖常初 主編 機(jī)械工業(yè)出版社 《 S7300/400 PLC應(yīng)用技術(shù) 》 5. 網(wǎng)站：西門子（中國(guó)）自動(dòng)化與驅(qū)動(dòng)集團(tuán) 下載中心 6. 西門子 S7300中文手冊(cè)，英文手冊(cè) Reference參考書目 5 Definition Control system overview The benefit of programmable control Fundamental structure of PLC PLC Product Application Ranges Diagrams And The PLC 1 Introduction 6 Definition What is a programmable controller? Programmable controllers, also called programmable logic controllers or PLCs, are solidstate members of the puter family, using integrated circuits instead of electromechanical devices to implement control functions. They are capable of storing instructions, such as sequencing, timing, counting, arithmetic, data manipulation, and munication, to control industrial machines and processes. 7 ?a microprocessorbased industrial controller, the functions of which are determined by a stored program. 8 12 A Historical Background ? In 1968 GM Hydramatic (the automatic transmission division of General Motors) issued a request for proposal for an electronic replacement for hardwired relay systems. ? Their primary goal was to eliminate the high costs associated
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