應該注意的是，同一企業應盡量做到機型統一。這樣，同一機型的PLC模塊可互為備用，便于備品備件的采購和管理；同時，其統一的功能及編程方法也有利于技術力量的培訓、技術水平的提高和功能的開發；此外，由于其外部設備通用，資源可以共享，因此，配以上位計算機后即可把控制各獨立系統的多臺PLC聯成一個DCS系統，這樣便于相互通信，集中管理。

聯系人：黃曉飛(銷售工程師) 
移動電話:18030263579 
固話:0592-6895320 
QQ：2472574325

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