6ES7412-2XG04-0AB0西門子咨詢

6ES7412-2XG04-0AB0

集線器的工作原理： 集線器并不處理或檢查其上的通信量，僅通過將一個端口接收的信號重 復分發給其他端口來擴展物理介質。所有連接到集線器的設備共享同一 介質，其結果是它們也共享同一沖突域、廣播和帶寬。因此集線器和它 所連接的設備組成了一個單一的沖突域。如果一個節點發出一個廣播信 息，集線器會將這個廣播傳播給所有同它相連 的節點，因此它也是一 個單一的廣播域。

6ES7412-2XG04-0AB0

聯系人：郭先生
聯系電話：18971415643《優先》
座機：027-83238871
傳真：207-61537051
QQ：810334512《優先》

6ES7412-2XG04-0AB0

工業自動化是德國得以啟動工業4.0的重要前提之一，主要是在機械制 造和電氣工程領域。目前在德國和國際制造業中廣泛采用的“嵌入式系 統”，正是將機械或電氣部件完全嵌入到受控器件內部，是一種特定應 用設計的專用計算機系統。數據顯示，這種“嵌入式系統”每年獲得 的市場效益高達200億歐元，而這個數字到2020年將提升至400億歐元。 [2]

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