?V-C40-2-S1-D2
V-C40-2-S1-D2
V-C40-2-S1-D2
廈門岳航計(jì)算機(jī)工程有限公司
contact:?胡玲
Tel:?+86-5?9?2-5?8?5?6?2?0?9????+86-1?8?0?3?0?2?3?5?3?1?1
Fax:?+86-5?9?2-5?1?6?5?5?6?1(傳真時(shí)請(qǐng)注明胡玲收,謝謝?。?/font>
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mail:?1?6?0?0?9?2?6?1?8?5?@qq.com
聯(lián)系地址:廈門市思明區(qū)湖濱東路湖光大廈18樓B單元
詳解PLC控制系統(tǒng)
可編程序控制器簡(jiǎn)稱PLC,是20世紀(jì)60年代以來(lái)發(fā)展極為迅速、應(yīng)用面極為廣泛的工業(yè)控制裝置,是現(xiàn)代工業(yè)自動(dòng)化的三大支柱之首。它采用可編程序的存儲(chǔ)器,用來(lái)存儲(chǔ)用戶指令,通過(guò)數(shù)字或模擬的輸入/輸出,完成確定的邏輯、順序、定時(shí)、計(jì)數(shù)、運(yùn)算和一些確定的功能,來(lái)控制各種類型的機(jī)械設(shè)備或生產(chǎn)過(guò)程。
????????當(dāng)今PLC吸取了微電子技術(shù)和計(jì)算機(jī)技術(shù)的最新成果,以單機(jī)自動(dòng)化到整條生產(chǎn)線的自動(dòng)化乃至整個(gè)工廠的自動(dòng)化;從柔性制造系統(tǒng)、工業(yè)機(jī)器人到大型分散控制系統(tǒng),PLC均承擔(dān)著重要角色。
???????“組態(tài)”的概念是伴隨著集散型控制系統(tǒng)(簡(jiǎn)稱DCS)的出現(xiàn)才開始被廣大的生產(chǎn)過(guò)程自動(dòng)化技術(shù)人員所熟知的。在工業(yè)控制技術(shù)的不斷發(fā)展和應(yīng)用過(guò)程中,PC(包括工控機(jī))相比以前的專用系統(tǒng)具有的優(yōu)勢(shì)日趨明顯。這些優(yōu)勢(shì)主要體現(xiàn)在:PC技術(shù)保持了較快的發(fā)展速度,各種相關(guān)技術(shù)已臻成熟;由PC構(gòu)建的工業(yè)控制系統(tǒng)具有相對(duì)較低的擁有成本;PC的軟件資源和硬件資豐富,軟件之間的互操作性強(qiáng);基于PC的控制系統(tǒng)易于學(xué)習(xí)和使用,可以容易地得到技術(shù)方面的支持。在PC技術(shù)向工業(yè)控制領(lǐng)域的滲透中,組態(tài)軟件占據(jù)著非常特殊而且重要的地位。
ENI VL-400 Phase shift controller
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