施耐德 490NRP25400
所以這兩者之間必須要有隔離設(shè)備,這個(gè)隔離設(shè)備就是動(dòng)態(tài)數(shù)據(jù)服 務(wù)器。它的功能是生產(chǎn)過程監(jiān)控;歷史數(shù)據(jù)的存儲(chǔ)及管理;統(tǒng)計(jì)質(zhì)量控 制;設(shè)備預(yù)防性維護(hù);設(shè)備故障診斷;生產(chǎn)優(yōu)化等。???DCS、PLC采 集現(xiàn)場(chǎng)的生產(chǎn)過程數(shù)據(jù)通過通訊網(wǎng)絡(luò)把數(shù)據(jù)傳給操作站和動(dòng)態(tài)數(shù)據(jù)服務(wù) 器。
施耐德 490NRP25400
聯(lián)系人:郭先生
聯(lián)系電話:18971415643
座機(jī):027-83238871
傳真:207-61537051
QQ:810334512
無論在中國(guó)的用戶多還是少,這些DCS系統(tǒng)的共同特點(diǎn)是人機(jī)界面 的許多部件也都是從第三方購(gòu)買的,不是自己生產(chǎn)的,現(xiàn)在大部分部件 都已經(jīng)停止生產(chǎn)。?如有的DCS操作站主機(jī)采用DEC公司的VAX機(jī)或α機(jī) ,在96年DEC已被COMPAQ公司兼并,到現(xiàn)在已經(jīng)停產(chǎn)5年,不僅機(jī)器不生 產(chǎn),而且連芯片也不生產(chǎn)。如果現(xiàn)在仍然進(jìn)口這樣的DCS,備件將會(huì)成為 很困難的事情。????又如操作站使用的硬盤,與硬盤的接口大都是S T412接口(像ST225、ST4096、ST4097、XT1085等)或IDE接口,這種硬盤 體積大,但容量小。目前已停產(chǎn)多年。 施耐德 490NRP25400
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