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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。
祥林嫂
做工控人，不停地學(xué)習，不停地分享、交流。
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1樓  發(fā)表于: 2012-03-03 08:09
樓上說(shuō)的有通俗易懂的有圖解的~有專(zhuān)業(yè)的~很好啊 學(xué)習了

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