描述

1．單元式

單元式的特點(diǎn)是結(jié)構(gòu)緊湊。它將所有的電路都裝入一個模塊內(nèi)，構(gòu)成一個整體，這樣體積小巧、成本低、安裝方便。

FX2系列可編程控制器由基本單元、擴(kuò)展單元、擴(kuò)展模塊及特殊適配器等四種產(chǎn)品構(gòu)成。僅用基本單元或?qū)⑸鲜龈鞣N產(chǎn)品組合起來使用均可。

基本單元（M）：內(nèi)有CPU與存貯器，為必用裝置。

擴(kuò)展單元（E）:要增加Ｉ／Ｏ點(diǎn)數(shù)時使用的裝置。

可利用擴(kuò)展模塊，以8為單位增加輸入／輸出點(diǎn)數(shù)。也可只增加輸入點(diǎn)數(shù)或只增加輸出點(diǎn)數(shù)，因而使輸入／輸出的點(diǎn)數(shù)比率改變。

2．模塊式

模塊式可編程控制器采用搭積木的方式組成系統(tǒng)，在一塊基板上插上CPU、電源、Ｉ／Ｏ模塊及特殊功能模塊，構(gòu)成一個總Ｉ／Ｏ點(diǎn)數(shù)很多的大規(guī)模綜合控制系統(tǒng)。

這種結(jié)構(gòu)形式的特點(diǎn)是CPU為獨(dú)立的模塊,輸入、輸出也是獨(dú)立模塊。

3．疊裝式

它的結(jié)構(gòu)也是各種單元、CPU自成獨(dú)立的模塊，但安裝不用基板，僅用電纜進(jìn)行單元間聯(lián)接，且各單元可以一層層地疊裝。

FX2系列PLC是單元式和模塊式相結(jié)合的疊裝式結(jié)構(gòu)。

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(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,變電站綜合自動化控制系列

本特利，英維思，伍德沃德，福克斯波羅、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(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

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