描述

DSRF197K01

可編程控制器（Programmable Logic Controller）簡(jiǎn)稱PLC或PC，是從早期的繼電器邏輯控制 系統(tǒng)發(fā)展而來(lái)，它不斷吸收微計(jì)算機(jī)技術(shù)使之功能不斷增強(qiáng)，逐漸適合復(fù)雜的控制任務(wù) 。
PLC之所以有生命力，在于它更加適合工業(yè)現(xiàn)場(chǎng)和市場(chǎng)的要求：高可靠性、強(qiáng)抗各種干擾的 能力、編程安裝使用簡(jiǎn)便、低價(jià)格長(zhǎng)壽命。比之單片機(jī)，它的輸入輸出端更接近現(xiàn)場(chǎng)設(shè)備，不需添加太多的中間部件或需要更多的接口，這樣節(jié)省了用戶時(shí)間和成本。PLC的下端(輸入端)為繼電器、晶體管和晶閘管等控制部件，而上端一般是面向用戶的微型計(jì)算機(jī)。人們?cè)趹?yīng)用它時(shí)，可以不必進(jìn)行計(jì)算機(jī)方面的專門培訓(xùn)，就能對(duì)可編程控制器進(jìn)行操作及編程。用來(lái)完成各種各樣的復(fù)雜程度不同的工業(yè)控制任務(wù)。
自1836年繼電器問(wèn)世，人們就開(kāi)始用導(dǎo)線將它同開(kāi)關(guān)器件巧妙地連接，構(gòu)成用途各異的邏輯 控制或順序控制。至今，在PLC的編程語(yǔ)言——梯形圖中還可以看到這些布線的影子。直到60年代末、70年代初可編程控制器問(wèn)世，隨著微電子技術(shù)、計(jì)算機(jī)技術(shù)和數(shù)據(jù)通信技術(shù)的飛速發(fā)展，以及微處理器的出現(xiàn)，PLC產(chǎn)品朝小型和超小型化方面進(jìn)行了一次飛躍，最終使早期的PLC從最初的邏輯控制、順序控制，發(fā)展成為具有邏輯判斷、定時(shí)、計(jì)數(shù)、記憶和算術(shù)運(yùn)算、數(shù)據(jù)處理、聯(lián)網(wǎng)通信及PID回路調(diào)節(jié)等功能的現(xiàn)代PLC。

產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂(lè)。ACSO，橫河等進(jìn)口品牌。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA

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