描述

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在工業(yè)自動化領(lǐng)域，可編程控制器(PLC)作為自動控制以成為大多數(shù)自動化系統(tǒng)的設(shè)備基礎(chǔ)，同時也給工業(yè)控制帶來了前所未有的非凡變化。使用PLC的工業(yè)控制系統(tǒng)與傳統(tǒng)的用繼電器的工業(yè)控制系統(tǒng)相比，在操作、控制、效率和精度等各個方面都具有無法比擬的優(yōu)點。雖然在工業(yè)控制系統(tǒng)中所使用的繼電器控制設(shè)備不會被完全淘汰，但是由于PLC的出現(xiàn)已經(jīng)改變了工業(yè)控制設(shè)計者的設(shè)計思想

今天繼電器已應(yīng)用到家庭及工業(yè)控制的各個領(lǐng)域。他們比以往的產(chǎn)品具有更高的可靠性。但是，這也是隨之帶來的一些問題。如絕大多數(shù)控制繼電器都是長期磨損和疲勞工作條件下進行的，容易損壞。而且繼電器的觸點容易產(chǎn)生電弧，甚至會熔在一起產(chǎn)生誤操作，引起嚴重的后果。再者，對一個具體使用的裝有上百個繼電器的設(shè)備，其控制箱將是龐大而笨重的。在全負荷運載的情況下，大的繼電器將產(chǎn)生大量的熱及噪聲，同時也消耗了大量的電能。并且繼電器控制系統(tǒng)必須是手工接線、安裝，如果有簡單的改動，也需要花費大量時間及人力和物力去改制、安裝和調(diào)試。

可編程控制器以體積小功能強大所著稱，它不但可以很容易地完成順序邏輯、運動控制、定時控制、計數(shù)控制、數(shù)字運算、數(shù)據(jù)處理等功能，而且可以通過輸入輸出接口建立與各類生產(chǎn)機械數(shù)字量和模擬量的聯(lián)系，從而實現(xiàn)生產(chǎn)過程的自動控制。特別是現(xiàn)在，由于信息、網(wǎng)絡(luò)時代的到來，擴展了PLC的功能，使它具有很強的聯(lián)網(wǎng)通訊能力，從而更廣泛地應(yīng)用于眾多行業(yè)。

產(chǎn)品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢價格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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