描述

PLC的外設(shè)很豐富，編程器種類(lèi)很多，用起來(lái)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(lèi)似于繼電電路設(shè)計(jì)的梯形圖語(yǔ)言，有的還可用BASIC語(yǔ)言、C語(yǔ)言，以至于自然語(yǔ)言。這些也為PLC編程提供了方便。

PLC的程序也便于存儲(chǔ)、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(tái)，拷貝一份即可。這比起繼電器電路臺(tái)臺(tái)設(shè)備都要接線(xiàn)、調(diào)試，要省事及簡(jiǎn)單得多。

（4）維修方便：這是因?yàn)椋?/p>

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(gè)特點(diǎn)時(shí)，還將進(jìn)一步介紹。

②即使PLC出現(xiàn)故障，維修也很方便。這是因?yàn)镻LC都設(shè)有很多故障提示信號(hào)，如PLC支持內(nèi)存保持?jǐn)?shù)據(jù)的電池電壓不足，相應(yīng)的就有電壓低信號(hào)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(shí)，診斷出故障后排故也很簡(jiǎn)單?？砂茨K排故，而模塊的備件市場(chǎng)可以買(mǎi)到，進(jìn)行簡(jiǎn)單的更換就可以。至于軟件，調(diào)試好后不會(huì)出故障，再多只要依據(jù)使用經(jīng)驗(yàn)進(jìn)行調(diào)整，使之完善就是了。

（5）改用方便：PLC用于某設(shè)備，若這個(gè)設(shè)備不再使用了，其所用的PLC還可給別的設(shè)備使用，只要改編一下程序，就可辦到。如果原設(shè)備與新設(shè)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(yīng)用于以下領(lǐng)域：

1,《發(fā)電廠(chǎng)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(chǎng)藥液恒流量計(jì)算機(jī)控制系統(tǒng)》

7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線(xiàn),變電站綜合自動(dòng)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(mén)子、摩托羅拉、GE發(fā)那科、安川、博世力士樂(lè)，ACSO，力士樂(lè)等各大品牌的DCS系統(tǒng)配件，機(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

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