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yun
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樓主  發(fā)表于: 2007-12-25 10:36
求助用PLC和編碼器如何顯示轉速且超過(guò)一定速度時(shí)會(huì )自動(dòng)減速。
wsir123
日子在忙碌中才會(huì )顯得充實(shí)，我喜歡這樣的生活。
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1樓  發(fā)表于: 2008-01-15 11:57
引用
引用第3樓nbwrk于2007-12-25 20:11發(fā)表的  :
用SPD脈沖密度就可以了


看這個(gè)指令就可以了，當大于時(shí)你想怎么減就怎么減。。。
保持每天一點(diǎn)小進(jìn)步足矣。。。

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