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現場總線與工業以太網有什么區別?

發布日期:2022-04-18 點擊率:63

  工業以太網就是用在工業上的以太網,總的來說,以太網是使用TCP/IP協議的。

  在現場總線協議當中,為了提高傳輸效率,一般只定義七曾協議中的物理層、數據鏈層和應用層。為與以太網融合,通常在數據包前加入IP地址,并通過TCP來進行數據傳輸。

  其實以太網就是現場總線,就好比總線的各種協議一樣。工業以太網擁有的優勢是:

  1、可以滿足控制系統各個層次的要求,使企業信息網絡與控制網絡得以統一;

  2、設備成本下降,以太網卡的價格是總線網絡借口卡的1/10;

  3、以太網很容易和Internet集成,采用以太網作為現場總線,擁有速度快、開發技術支持廣泛(Java、VC、VB等)、硬件升級范圍廣而且價格低廉的優勢

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