描述

PLC的外設很豐富，編程器種類很多，用起來都較方便，還有數(shù)據(jù)監(jiān)控器，可監(jiān)控PLC的工作。使用PLC的軟件也很多，不僅可用類似于繼電電路設計的梯形圖語言，有的還可用BASIC語言、C語言，以至于自然語言。這些也為PLC編程提供了方便。

PLC的程序也便于存儲、移植及再使用。某定型產(chǎn)品用的PLC的程序完善之后，凡這種產(chǎn)品都可使用。生產(chǎn)一臺，拷貝一份即可。這比起繼電器電路臺臺設備都要接線、調(diào)試，要省事及簡單得多。

（4）維修方便：這是因為：

①PLC工作可靠，出現(xiàn)故障的情況不多，這大大減輕了維修的工作量。這在講述PLC的第三個特點時，還將進一步介紹。

②即使PLC出現(xiàn)故障，維修也很方便。這是因為PLC都設有很多故障提示信號，如PLC支持內(nèi)存保持數(shù)據(jù)的電池電壓不足，相應的就有電壓低信號指示。而且，PLC本身還可作故障情況記錄。所以，PLC出了故障，很易診斷。同時，診斷出故障后排故也很簡單。可按模塊排故，而模塊的備件市場可以買到，進行簡單的更換就可以。至于軟件，調(diào)試好后不會出故障，再多只要依據(jù)使用經(jīng)驗進行調(diào)整，使之完善就是了。

（5）改用方便：PLC用于某設備，若這個設備不再使用了，其所用的PLC還可給別的設備使用，只要改編一下程序，就可辦到。如果原設備與新設備差別較大，它的一些模塊還可重用。

歐美品牌停產(chǎn)的，常用的“PLC”備品備件

我司產(chǎn)品應用于以下領域：

1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》

2,《智能平鋼化爐系統(tǒng)制造》

3,《PLC可編程輸送控制系統(tǒng)》

4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》

6,《化工廠藥液恒流量計算機控制系統(tǒng)》

7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動化控制系列

本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

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