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李123456
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樓主  發(fā)表于: 2011-04-18 10:07
本人欲做一個(gè)PLC，稱(chēng)重，步進(jìn)電機的配合功能。具體如下：
1：重量為步進(jìn)電機控制
2：稱(chēng)重模塊為反饋
3；設置一個(gè)重量，如果重量有變化，模塊反饋給PLC，發(fā)出加減脈沖給步進(jìn)電機以達到設定重量，PLC為FP0
重量分辨率正負0.2克�？傊亓�30千克左右
各位老師指教一下，模塊用那家的好，程序怎么寫(xiě)
jianming
jianming
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1樓  發(fā)表于: 2011-04-20 21:17
30kg要想達到0.2g的精度，基本不可能，沒(méi)有這個(gè)高精度的傳感器，就算有也會(huì )貴到你買(mǎi)不起

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