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zanghua222
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樓主  發(fā)表于: 2013-08-27 11:20
s7-300  的訂單號cpu313-6CF03-0AB0   輸入輸出接法怎么接 1L+是接24V  M接-24v  然后i0.0接1L+?請各位大俠幫忙  我剛學(xué)  有圖詳解 不勝感激
xuhuifox
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1樓  發(fā)表于: 2013-08-27 23:55
要接負載才能亮的  不然  亮不了

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