描述
IS200TVBAH2A
系統(tǒng)軟件，對(duì)各種工藝控制方案更新是DCS的一項(xiàng)最基本的功能，當(dāng)某個(gè)方案發(fā)生變化后，工程師只需要在工程師站上將更改過(guò)的方案編譯后，執(zhí)行下裝命令就可以了，下裝過(guò)程是由系統(tǒng)自動(dòng)完成的，不影響原控制方案運(yùn)行。系統(tǒng)各種控制軟件與算法可以將工藝要求控制對(duì)象控制精度提高。而對(duì)于PLC構(gòu)成的系統(tǒng)來(lái)說(shuō)，工作量極其龐大，首先需要確定所要編輯更新的是哪個(gè)PLC，然后要用與之對(duì)應(yīng)的編譯器進(jìn)行程序編譯，最后再用專(zhuān)用的機(jī)器（讀寫(xiě)器）專(zhuān)門(mén)一對(duì)一的將程序傳送給這個(gè)PLC，在系統(tǒng)調(diào)試期間，大量增加調(diào)試時(shí)間和調(diào)試成本，而且極其不利于日后的維護(hù)。在控制精度上相差甚遠(yuǎn)。這就決定了為什么在大中型控制項(xiàng)目中（500點(diǎn)以上），基本不采用全部由PLC所連接而成的系統(tǒng)的原因。
7. 模塊：DCS系統(tǒng)所有I/O模塊都帶有CPU，可以實(shí)現(xiàn)對(duì)采集及輸出信號(hào)品質(zhì)判斷與標(biāo)量變換，故障帶電插拔，隨機(jī)更換。而PLC模塊只是簡(jiǎn)單電氣轉(zhuǎn)換單元，沒(méi)有智能芯片，故障后相應(yīng)單元全部癱瘓。
8.現(xiàn)在高端的PLC與DCS的功能已經(jīng)差不多，DCS對(duì)網(wǎng)絡(luò)和分布式數(shù)據(jù)庫(kù)還要定時(shí)掃描有較強(qiáng)的功能，同時(shí)對(duì)運(yùn)算和模擬量的處量比較拿手。
PLC還分大、中、小、微PLC，其中微型的只賣(mài)幾百塊到2000塊，點(diǎn)數(shù)也好少，大型的可以帶數(shù)千點(diǎn)，運(yùn)算能力與DCS差不多，但對(duì)多機(jī)聯(lián)網(wǎng)功能較弱。
現(xiàn)在兩個(gè)技術(shù)平臺(tái)都差不多，只是重點(diǎn)不一樣
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(mén)子，摩托羅拉，安川。力士樂(lè)。ACSO，橫河等進(jìn)口品牌。 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家
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專(zhuān)業(yè)銷(xiāo)售進(jìn)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
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家
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