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P-NET

P-NET
通訊協定資料
網路種類開放總線網路
物理介質雙絞線
網路拓撲Bus
管理機構IPUO
網站International P-NET User Organization

P-NET是一個開放式的工業現場總線協定,由丹麥的Proces-Data A/S公司在1983年開發[1]。管理機構為國際P-NET用戶組織(International P-NET User Organization,IPUO)。P-NET適合在一般時間需求的工業系統中使用。一般系統的反應時間大約為微秒等級,網路線最長可到一公里。

P-NET協定的標準是架構在OSI模型上。大多數的現場總線協定只包括有OSI模型的第1層(實體層)、第2層(資料連結層)及第7層(應用層),但P-NET協定除了上述的協定外,還包括OSI模型的第3層(網絡層)及第4層(傳輸層,但在P-NET中是服務層)。

參考資料

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  1. ^ 馮金光、周華平. P-NET現場總線技術分析與應用. 控制工程網. 2006-03-10 [2010-12-28]. (原始内容存档于2016-03-04). 

外部連結

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P-NET
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