描述

DSCS150 57520001-FY

可編程控制器（Programmable Logic Controller）簡稱PLC或PC，是從早期的繼電器邏輯控制 系統(tǒng)發(fā)展而來，它不斷吸收微計算機技術使之功能不斷增強，逐漸適合復雜的控制任務 。
PLC之所以有生命力，在于它更加適合工業(yè)現(xiàn)場和市場的要求：高可靠性、強抗各種干擾的 能力、編程安裝使用簡便、低價格長壽命。比之單片機，它的輸入輸出端更接近現(xiàn)場設備，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算機。人們在應用它時，可以不必進行計算機方面的專門培訓，就能對可編程控制器進行操作及編程。用來完成各種各樣的復雜程度不同的工業(yè)控制任務。
自1836年繼電器問世，人們就開始用導線將它同開關器件巧妙地連接，構成用途各異的邏輯 控制或順序控制。至今，在PLC的編程語言——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世，隨著微電子技術、計算機技術和數(shù)據(jù)通信技術的飛速發(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、計數(shù)、記憶和算術運算、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?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質(zhì)量，
優(yōu)勢價格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(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。ACSO，橫河等進口品牌。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA

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