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樓主  發(fā)表于: 2014-09-27 21:04



圖示為繼電器控制異步電動(dòng)機Y－Δ起動(dòng)電路。在自行分析電路功能后，完成考核要求。

考核要求：

用FX系列PLC按三相異步電動(dòng)機Y－Δ啟動(dòng)繼電器控制電路圖改為PLC控制。

1、畫(huà)出PLC的I/O圖。

2、寫(xiě)出梯形圖和指令表（必須有棧存指令）。

3、用基本指令編寫(xiě)程序，輸入到PLC進(jìn)行程序輸入并完成系統的功能。
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1樓  發(fā)表于: 2014-09-28 09:08
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