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quzhihua
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樓主  發(fā)表于: 2014-08-14 16:59
請高手指點(diǎn)一下小弟，
步進(jìn)電機的驅動(dòng)器上有PUL+  \PUL- 還有DIR+\DIR-，可是S7-200的高速脈沖輸出口Q0.0和控制方向輸出口Q0.1只有一路，這怎么和PUL+  \PUL- （2路）還有DIR+\DIR-（2路）連接呀？
hot_cha
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1樓  發(fā)表于: 2014-08-16 08:55
回樓上的，Q輸出只是一個(gè)開(kāi)關(guān)點(diǎn)而已，公共端接多少就是輸出多少，跟其他無(wú)關(guān)

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