描述

采用傳統(tǒng)的繼電器控制系統(tǒng)來實現(xiàn)熱泵的控制，由于機械接觸點很多，接線復(fù)雜，參數(shù)調(diào)整不方便，而且機械接觸點的工作頻率低，容易損壞，可靠性差。采用直接數(shù)字式控制器（DDC）雖然可以減少接線，可靠性有所提高，但由于DDC其本身的抗干擾能力差、不易聯(lián)網(wǎng)、信息集成度不高和分級分步式結(jié)構(gòu)的局限性，因此，越來越不能滿足復(fù)雜多變的智能控制要求。

采用PLC來控制熱泵系統(tǒng)，不僅可以通過編程實現(xiàn)復(fù)雜的邏輯控制，而且可以在很大程度上簡化硬件接線，提高控制系統(tǒng)可靠性，用戶操作界面友好，信息集程度高，便于實現(xiàn)智能控制。因此，在熱泵空調(diào)領(lǐng)域，PLC控制系統(tǒng)取代DDC控制系統(tǒng)是必然趨勢。

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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