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wangkeming
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樓主  發(fā)表于: 2011-07-15 02:08
小弟學(xué)習三菱PLC也有段時(shí)間了。但是上升沿和下升沿到底怎么理解還是不夠透徹。特別是在運用上不知道是在什么場(chǎng)合用上升沿還是下升沿。我真的很頭疼啊。不知道你們有什么好的理解嗎？謝謝了。
rockyhuo
專(zhuān)業(yè)制造全伺服高速衛生巾機器
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1樓  發(fā)表于: 2011-07-17 00:21
上升沿和下降沿的用處就是這個(gè)動(dòng)作只執行一個(gè)掃描周期或者是只執行一次
變頻器中心放卷，可以穩定達到280M/分鐘線(xiàn)速度.
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