FEM100卡件 P0973CA FOXBORO
FEM100卡件 P0973CA FOXBORO
FEM100卡件 P0973CA FOXBORO
FEM100卡件 P0973CA FOXBORO
全新原裝,現貨,提供一年質保!本公司所有產品都經過專業(yè)嚴格檢測,歡迎詢價.
1、 DCS是一種“分散式控制系統(tǒng)”,而PLC (可編程控制器) 只是一種控制“裝置”,兩者是“系統(tǒng)”與“裝置”的區(qū)別。系統(tǒng)可以實現任何裝置的功能與協調,PLC裝置只實現本單元所具備的功能。
2、 在網絡方面,DCS網絡是整個系統(tǒng)的中樞神經,它是雙冗余的高速通訊網絡,系統(tǒng)的拓展性與開放性更好。而PLC因為基本上都為個體工作,其在與別的PLC或上位機進行通訊時,所采用的網絡形式基本都是單網結構,網絡協議也經常與國際標準不符。在網絡上,PLC沒有很好的保護措施,我們采用電源、CPU、網絡雙冗余。
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福建華瑞興自動化設備有限公司
聯系人:張工(銷售工程師)
手機:18050687160(微信同號)
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