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就怕不學(xué)aaa
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樓主  發(fā)表于: 2016-03-30 21:12
看PLC編程手冊高速計數指令時(shí)，看到脈沖指令大多寫(xiě)請使用晶體管輸出？使用脈沖指令一定要晶體管輸出？？？繼電器輸出不能使用脈沖指令？？？那只用編碼器測量，用脈沖指令控制，用PLC繼電器輸出型行不行呀？？？
dujiang100
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1樓  發(fā)表于: 2016-04-01 10:18
繼電器輸出型是有觸點(diǎn)的,有觸點(diǎn)的東西,你想讓它一秒鐘通斷10萬(wàn)次嗎

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