?？怂共_P0970BC DNBI
?？怂共_P0970BC DNBI
PLC網絡
1、信息層/Ethernet（以太網） 信息層為網絡系統中zui高層，主要是在PLC、設備控制器以及生產管理用PC之間傳輸生產管理信息、質量管理信息及設備的運轉情況等數據，信息層使用zui普遍的Ethernet。它不僅能夠連接windows系統的PC、UNIX系統的工作站等，而且還能連接各種FA設備。Q系列PLC系列的Ethernet模塊具有了日益普及的因特網電子郵件收發功能，使用戶無論在世界的任何地方都可以方便地收發生產信息郵件，構筑遠程監視管理系統。同時，利用因特網的FTP服務器功能及MELSEC協議可以很容易的實現程序的上傳/下載和信息的傳輸。
2、控制層/MELSECNET/10（H） 是整個網絡系統的中間層，在是PLC、CNC等控制設備之間方便且高速地進行處理數據互傳的控制網絡。作為MELSEC控制網絡的MELSECNET/10，以它良好的實時性、簡單的網絡設定、無程序的網絡數據共享概念，以及冗余回路等特點獲得了很高的市場評價，被采用的設備臺數在日本達到zui高，在世界上也是*的。而MELSECNET/H不僅繼承了MELSECNET/10優秀的特點，還使網絡的實時性更好，數據容量更大，進一步適應市場的需要。但目前MELSECNET/H只有Q系列 PLC才可使用。
公司聯絡人：鄭娟萍(銷售工程師)
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3、設備層/現場總線CC-Link 設備層是把PLC等控制設備和傳感器以及驅動設備連接起來的現場網絡，為整個網絡系統zui低層的網絡。采用CC-Link現場總線連接，布線數量大大減少，提高了系統可維護性。而且，不只是ON/OFF等開關量的數據，還可連接ID系統、條形碼閱讀器、變頻器、人機界面等智能化設備，從完成各種數據的通信，到終端生產信息的管理均可實現，加上對機器動作狀態的集中管理，使維修保養的工作效率也大有提高。在Q系列PLC中使用，CC-Link的功能更好，而且使用更簡便。
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