廈門莫格電氣自動(dòng)化有限公司

Siemens 6DD3460-0AC0

咨詢熱線--17750626260

采用開放控制的原因一方面是系統(tǒng)功能集成的需要，另一方面也是由于一些工業(yè)用 戶對(duì)功能過分苛求所致。如果能夠給予高度的重視，就能夠獲得更多的基本技術(shù)知識(shí)。PLC制造商專注于系統(tǒng)功能化，而工業(yè)用戶則專注于系統(tǒng)應(yīng)用。人們可以看到，將來的發(fā)展趨勢(shì)是將更多的功能進(jìn)一步集成到一個(gè)控制箱內(nèi)。因而像順序控制和過程控制這樣的事件將會(huì)采用功能化方式進(jìn)行處理，其他像運(yùn)動(dòng)控制等也能夠共享到相同的控制結(jié)構(gòu)體系中。

    可以相信，PLC技術(shù)將繼續(xù)向開放式控制系統(tǒng)方向轉(zhuǎn)移，尤其是基于工業(yè)PC的控制系統(tǒng)。后者除了在靈活性方面比傳統(tǒng)PLC具有截然不同的優(yōu)勢(shì)外，還具有其他優(yōu)點(diǎn)，如能夠縮短系統(tǒng)投放到市場的周期，降低系統(tǒng)費(fèi)用，提高從工廠底層到企業(yè)辦公自動(dòng)化的數(shù)據(jù)信息流動(dòng)效率等。

    關(guān)于工業(yè)PC控制系統(tǒng)的實(shí)時(shí)響應(yīng)問題已經(jīng)得到很好的解決，也許其主要的東西仍然隱藏在技術(shù)背后，但缺乏相應(yīng)的跟蹤記錄。對(duì)于PLC來講，堅(jiān)固性是其主要特點(diǎn)之一，這已經(jīng)有相當(dāng)多的跟蹤記錄來驗(yàn)證。工業(yè)用戶仍然非常小心地對(duì)待PLC，他們正在對(duì)PLC作不同的技術(shù)測試工作。在利用一種新技術(shù)時(shí)，工業(yè)用戶需要考慮的問題是要冒多大的風(fēng)險(xiǎn)，同時(shí)需要考慮對(duì)其商務(wù)活動(dòng)能夠帶來多少機(jī)會(huì)和收益。

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