福建宇創(chuàng)自動(dòng)化設(shè)備有限公司

廈門宇創(chuàng)自動(dòng)化設(shè)備有限公司位于經(jīng)濟(jì)特區(qū)福建省廈門市，是一家集生產(chǎn)加工、經(jīng)銷批發(fā)為一體、經(jīng)國家相關(guān)部門批準(zhǔn)注冊(cè)的企業(yè)。以誠信經(jīng)營和薄利多銷的原則，贏得了廣大客戶的信任，熱誠歡迎各界朋友前來參觀、考察、洽談業(yè)務(wù)。 
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模塊只是簡單電氣轉(zhuǎn)換單元，沒有智能芯片，故障后相應(yīng)單元全部癱瘓。 
我們不得不從PLC和DCS的起源談起：PLC的發(fā)展基于制造業(yè)的現(xiàn)場控制需求，DCS大發(fā)展基于化工行業(yè)的連續(xù)過程控制和監(jiān)控。從控制需求分類看，控制系統(tǒng)可分成：順序控制（PLC的基本功能）、過程控制（DCS）、位置控制（CNC）、傳動(dòng)控制（調(diào)速或同步），但從發(fā)展的角度來看，這幾部分控制方式在漸漸融合。如果非要說出不同來，我認(rèn)為有如下幾點(diǎn)： 
1、面向?qū)ο蟛煌篜LC面向一般工控制領(lǐng)域，通用性強(qiáng)。DCS偏重過程控制，用于化工行業(yè)。 
2、DCS強(qiáng)調(diào)連續(xù)過程控制的精度，可實(shí)現(xiàn)PID、前饋、串級(jí)、多級(jí)、模糊、自適應(yīng)等復(fù)雜控制，一般PLC僅具有PID功能，控制精度不如DCS高。
3、DCS系統(tǒng)具有功能強(qiáng)大的SCAND軟件包，具有配方功能，并針對(duì)不同行開發(fā)了專家軟件（化工工藝參數(shù)配置和控制算法），比PLC應(yīng)用方便。聯(lián)系人：蘇寶珠電話：18050108292 
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