描述
MG3-1C-1F-1J-A
2000年世界上工控機市場估計為300~400億美元,其中DCS 60億美元,嵌入式系統(tǒng)60~70億美元,FCS 20~30億美元,IPC 70~80億美元,PLC 70~80億美元,數控 70~80億美元。并且每年以10%~15%的速度增長。
1.DCS (集散控制系統(tǒng))的發(fā)展趨勢
雖然以現場總線為基礎的FCS發(fā)展很快,并將最終取代傳統(tǒng)的DCS,但FCS發(fā)展有很多工作要做,如統(tǒng)一標準,儀表智能化等。另外傳統(tǒng)控制系統(tǒng)的維護和改造還需要DCS,因此FCS完全取代傳統(tǒng)的DCS還需要一個較長的過程。
當前工控機仍以大系統(tǒng)、分散對象、連續(xù)生產過程(如:冶金、石化、電力)為主,采用分布式系統(tǒng)結構的分散型控制系統(tǒng)仍在發(fā)展。由于開放結構和集成技術的發(fā)展,促使大型分散型控制系統(tǒng)銷售增加。DCS1997年銷售為45億美元。在工控機中DCS是受計算機技術影響最大、反應最快的一種。DCS主要發(fā)展趨勢為:
(1)向綜合方向發(fā)展。由于標準化數據通信線路和通信網絡的發(fā)展,將各種單(多)回路調節(jié)器、PLC、工業(yè)PC、NC等工控設備構成大系統(tǒng),以滿足工廠自動化要求,并適應開放化的大趨勢。
(2)向智能化方向發(fā)展。由于數據庫系統(tǒng)、推理機能等的發(fā)展,尤其是知識庫系統(tǒng)(K
BS)和專家系統(tǒng)(ES)的應用,如自學習控制、遠距離診斷和自尋優(yōu)等,人工智能會在DCS各級實現。和FF現場總線類似,以微處理器為基礎的智能設備,如智能I/O、智能PID控制、智能傳感器、變送器、執(zhí)行器、智能人機接口及可編程調節(jié)器相繼出現。
(3)工業(yè)PC化。由于IPC組成DCS成為一大趨勢,PC作為DCS的操作站或節(jié)點機已經很普遍,PC_PLC、PC_STD、PC_NC等就是PC_DCS先驅。
(4)專業(yè)化。DCS為更適合各相應領域的應用,就要進一步了解這個專業(yè)的工藝和應用要求,以逐步形成如核電站DCS,變電站DCS、玻璃DCS及水泥DCS等。
產品承諾:
保?證?全新原裝進口,
保?證?安全準時發(fā)貨,
保?證售后服務質量,
優(yōu)勢價格,大量現貨。
主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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15天包退換 一年質保 大量現貨? 國內實力庫存商家