工業(yè)控制一向是制約中國裝備行業(yè)乃至產(chǎn)品升級的瓶頸。裝備制造業(yè)是工業(yè)的核心和基礎(chǔ)，決定了國家工業(yè)和科技的水平，以及其在全球分工所占據(jù)的地位。
對于機床一類的工業(yè)母機，作為國內(nèi)的制造商，需要西門子或者三菱提供整體的運動控制解決方案，核心的運動控制產(chǎn)品如直線電機、交流伺服電機和系統(tǒng)等進行精確運動控制的核心部件或是應(yīng)用解決方案就是由國外的跨國公司整體提供，從產(chǎn)品到技術(shù)都是由外企來設(shè)計。國內(nèi)從事機床制造的廠商，更多的是從應(yīng)用角度來理解這些關(guān)鍵部件的功能，怎么使用，最終把它們整合成一套機械設(shè)備。這就是在制造業(yè)方面的差距和追趕的方向。
由于基于PC的控制器被證明可以像PLC一樣可*，并且被操作和維護人員接受，所以，一個接一個的制造商至少在部分生產(chǎn)中正在采用PC控制方案。基于PC的控制系統(tǒng)易于安裝和使用，有高級的診斷功能，為系統(tǒng)集成商提供了更靈活的選擇，從長遠角度看，PC控制系統(tǒng)維護成本低。
由于
可編程控制器(PLC)受PC控制的威脅最大，所以PLC供應(yīng)商對PC的應(yīng)用感到很不安。事實上，可編程控制器(PLC)也加入到了PC控制“浪潮”中。
工業(yè)PC在我國得到了異常迅速的發(fā)展。從世界范圍來看，工業(yè)PC主要包含兩種類型：IPC工控機和CompactPCI工控機以及它們的變形機，如AT96總線工控機等。由于基礎(chǔ)自動化和過程自動化對工業(yè)PC的運行穩(wěn)定性、熱插拔和冗余配置要求很高，現(xiàn)有的IPC已經(jīng)不能完全滿足要求，將逐漸退出該領(lǐng)域，取而代之的將是CompactPCI-based工控機，而IPC將占據(jù)管理自動化層。國家于2001年設(shè)立了“以工業(yè)控制計算機為基礎(chǔ)的開放式控制系統(tǒng)產(chǎn)業(yè)化”工業(yè)自動化重大專項，目標就是發(fā)展具有自主知識產(chǎn)權(quán)的PC-based控制系統(tǒng)，在3(5年內(nèi)，占領(lǐng)30%(50%的國內(nèi)市場，并實現(xiàn)產(chǎn)業(yè)化。
幾年前，當(dāng)“軟PLC”出現(xiàn)時，業(yè)界曾認為工業(yè)PC將會取代PLC。然而，時至 今日工業(yè)PC并沒有代替PLC，主要有兩個原因：一個是系統(tǒng)集成原因;另一個是軟件操作系統(tǒng)WindowsNT的原因。一個成功的PC-based控制系統(tǒng)要具備兩點：一是所有工作要由一個平臺上的軟件完成;二是向客戶提供所需要的所有東西。可以預(yù)見，工業(yè)PC與PLC的競爭將主要在高端應(yīng)用上，其數(shù)據(jù)復(fù)雜且設(shè)備集成度高。工業(yè)PC不可能與低價的微型PLC競爭，這也是PLC市場增長最快的一部分。從發(fā)展趨勢看，控制系統(tǒng)的將來很可能存在于工業(yè)PC和PLC之間，這些融合的跡象已經(jīng)出現(xiàn)。
和PLC一樣，工業(yè)PC市場在過去的兩年里保持平穩(wěn)。與PLC相比，工業(yè)PC軟件很便宜。據(jù)Frost&Sullivan公司估計，全世界每年7億美元工業(yè)PC市場里，大約8500萬美元為控制軟件，一億美元為操作系統(tǒng)。到2007年會翻一番，工業(yè)PC市場變得非？捎^。
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SPD TECHNOLOGIES 198938-T3 MOTOR 198938T3 6105010825503
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STI MS46SR-20-350-Q1-10X-10R-NC-FN LIGHT CURTIAN SET
STI MSF47-30-1200-R1-SC1 USPP MSF47301200R1SC1
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