描述

SGDH-1EDE

近年來市場上也出現(xiàn)了一些采用單片機，工控機控制的控制器。但是，采用單片機開發(fā)的控制器由于抗干擾能力差，人機界面不夠友好，操作繁瑣，給用戶帶來了很多麻煩，所以，也沒有得到普及。而采用工控機控制的控制器由于大多是國外引進的產(chǎn)品，全英文界面，不僅操作繁瑣，而且價格昂貴，大多數(shù)用戶不能接受。因而也得不到推廣，本文介紹的控制器正好填補了這一空白。它不僅體積小，接線簡單，人機界面友好，維護方便；同時控制精度高，運行可靠，使制冷系統(tǒng)中制冷劑的壓力波動很小，制冷效果好，冷藏品得到了很好的保護；最近用于冷鏈中廣泛使用的并聯(lián)機組，對冷量變化的精確調(diào)節(jié)和壓縮機運行壽命的均勻調(diào)節(jié)，非常適合并聯(lián)機組的實際使用情況；并且，價格適中，因而受到了廣大用戶的普遍歡迎。五年來全國累計四十多套投入運行，運行情況良好。?隨著工業(yè)生產(chǎn)自動化水平的不斷加快，對控制系統(tǒng)提出了愈來愈嚴格的要求。隨著大規(guī)模集成電路廣泛應(yīng)用，控制系統(tǒng)本身也得到長足發(fā)展，已由原來的分立元件、繼電器控制，發(fā)展成為大規(guī)模集成電路的微機控制?？刂品绞揭灿稍瓉淼姆稚⒖刂瓢l(fā)展為集中控制。正是在這種發(fā)展的需求下，可編程控制器應(yīng)運而生。由于可編程控制器（PLC）具有體積小、抗干擾能力強、組態(tài)靈活等優(yōu)點，因而在工業(yè)控制系統(tǒng)中得到非常廣泛的應(yīng)用。
在電纜自動生產(chǎn)線檢測控制系統(tǒng)中，可編程控制器主要用作下位機，檢測各狀態(tài)點的狀態(tài)，直接控制系統(tǒng)的啟、停和其他控制單元的投切，并將各點的狀態(tài)送給上位機——計算機，計算機綜合可編程控制器和其他設(shè)設(shè)備的數(shù)據(jù)，作出相應(yīng)的處理和顯示。關(guān)于整個系統(tǒng)的設(shè)計與實現(xiàn)另文介紹，本文主要介紹該系統(tǒng)中用作下位機的可編程控制器的作用、與計算機的通訊及程序設(shè)計方法。

產(chǎn)品承諾：
保?證?全新原裝進口,
保?證?安全準(zhǔn)時發(fā)貨，
保?證售后服務(wù)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
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Vero Power Supply, New, PK-120

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Mykrolis Filter Intercept 0.2um, 10″ IHAG01P01K

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專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊

PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

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