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小城萬(wàn)家
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樓主  發(fā)表于: 2014-03-29 14:22
如圖，將網(wǎng)絡(luò )2和網(wǎng)絡(luò )3交換位置，其他不改變。程序運行結果就不一樣了。是不是所有的程序的網(wǎng)絡(luò )位置是固定的，不能隨意調換？

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1樓  發(fā)表于: 2014-03-29 20:05
西門(mén)子PLC中用定時(shí)器自復位是大忌�。。�！
樓主留言：
那不然怎么復位？有什么影響啊。我看好多例子中都是這樣的啊

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