描述
DCS是分布式控制系統(tǒng),在國(guó)內(nèi)自控行業(yè)里也叫做集散控制系統(tǒng),主要用于把地理上很分散的設(shè)備集中監(jiān)控并自動(dòng)控制起來(lái),主要用于大型流程工業(yè)當(dāng)中,用于集中反映當(dāng)前生產(chǎn)狀況,它靠一個(gè)中樞系統(tǒng)來(lái)集中處理,多個(gè)操作站來(lái)監(jiān)視控制,數(shù)據(jù)更新速度比PLC系統(tǒng)慢。
舉個(gè)例子:因?yàn)槟硞€(gè)工藝需要,水箱液位需要保持在一定范圍內(nèi),當(dāng)水箱液位出現(xiàn)較大波動(dòng)且超出此范圍后,可以選擇去現(xiàn)場(chǎng)手動(dòng)調(diào)節(jié)控制水位的閥門,也可以通過DCS發(fā)出指令去調(diào)節(jié)。DCS相當(dāng)于大腦,對(duì)眼睛看到的情況(即現(xiàn)場(chǎng)檢測(cè)儀表傳輸過來(lái)的信號(hào),如水位降低)做出反應(yīng)(即發(fā)出指令,如增大進(jìn)水閥開度),現(xiàn)場(chǎng)執(zhí)行設(shè)備接受到指令做出相應(yīng)的動(dòng)作(如增大進(jìn)水閥門開度,保持水位在一定范圍)。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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NEW MagneTek GPD333 adjustable frequency drive DS024
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MAGNETEK 1995-1422 IK MICRO-SETS P.L.S.
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