? ? ??IC693APU300
?在石油、化工、鋼鐵、電力等行業(yè),DCS之所以能夠壟斷二十年之久,它的主要優(yōu)勢是與常規(guī)儀表控制相比,具有可靠、可組態(tài)編程、具有流程圖畫面,并具有數(shù)據(jù)記錄、存儲、報表打印等功能,完全切合了工廠的實(shí)際應(yīng)用和需求。
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? ? DCS通常適用于規(guī)模較大的控制系統(tǒng),由三級系統(tǒng)構(gòu)成,分別是現(xiàn)場控制站、操作站和工程師站。
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最底層是現(xiàn)場控制站,通常由放在一個大型機(jī)柜內(nèi)的模塊組成,每個機(jī)柜內(nèi)的模塊與PLC的結(jié)構(gòu)類似,有CPU模塊、電源模塊、通訊模塊和I/O模塊和存儲模件,這些模件均插在一個通訊底板上,一個CPU往往可以帶多個底板。通常,CPU、通訊、電源模塊具有冗余熱備份功能,平時一個是主模塊,一個是從模塊,當(dāng)主模塊故障時,從模塊自動充當(dāng)主模塊的功能,數(shù)據(jù)從原來的主模塊自動無擾動地切換到從模塊中來。壞了的主模塊可以帶電拔掉,換上好的模塊再插回原處,該模塊又自動工作在從模塊的狀態(tài)。冗余熱備是DCS的主要特點(diǎn)。另外,I/O模塊通常比實(shí)際的I/O點(diǎn)要多配一些,防止一旦增加要重新采購,或者底板的插槽不夠。除了冗余功能外,DCS的CPU模塊內(nèi)部通常有許多固化的程序,包括PID、各類函數(shù)發(fā)生器、閥門控制和電機(jī)控制等功能。
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廈門仲鑫達(dá)自動化設(shè)備有限公司
歐陽英(銷售經(jīng)理)
移動電話:13394057292
電話:0592-5856292
郵箱:370848070@qq
Q Q :370848070 , 2687338778
地址;廈門思明區(qū)湖濱東路湖光大廈8樓A單元
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【主營產(chǎn)品】
銷售世界知名品牌的PLC 、DCS 系統(tǒng)備件 模塊
〖1.〗Allen-Bradley(美國AB PLC)系列產(chǎn)品》
〖2.〗Schneider(施耐德140)系列產(chǎn)品》
〖3.〗General electric(通用電氣)系列產(chǎn)品》
〖4.〗Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM/CP30A/CP30B/CP40A/AP40B/CP60(現(xiàn)場輸入/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/輸出信號處理、數(shù)據(jù)通信及處理等。
〖5.〗InvensysTriconex:3700A/3805E/3604E/3503E/3504E/3625/3511/,冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)結(jié)構(gòu)的最現(xiàn)代化的容錯控制器。
〖6.〗Siemens(西門子):Siemens MOORE, Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
〖7.〗Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動模塊等。
〖8.〗Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
只要您給出合理價格我賣給你,只要您給出同行的 價格我賣給你,只要您誠心購買給錢我就賣給你。 ??
? ? 如果您發(fā)現(xiàn)其他供貨商為相同產(chǎn)品提供更為低廉的價格,我們也 愿意參照其價格向您提供進(jìn)一步的折扣
? ?我們的產(chǎn)品均提供一年質(zhì)保,15天有任何質(zhì)量問題包退換,做到讓您放心的購買,安心的使用,誠信經(jīng)營理念;;廈門仲鑫航竭誠為您服務(wù)!
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