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泰山之石
A
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樓主  發(fā)表于: 2017-02-27 10:27
圖片：
首次接觸西門(mén)子PLC，查手冊也沒(méi)找到說(shuō)明。請問(wèn)是否是取反指令？
懂一點(diǎn)點(diǎn)
好好學(xué)習，GO  GO
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1樓  發(fā)表于: 2017-02-27 11:05
就是觸點(diǎn)閉合時(shí)動(dòng)作不輸出，當觸點(diǎn)斷開(kāi)瞬間時(shí)，輸出動(dòng)作
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