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西歐工控
多試一次，就會(huì )成功
級別: 工控俠客
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發(fā)帖數量: 624 個(gè)
工控威望: 3339 點(diǎn)
下載積分: 75475 分
在線(xiàn)時(shí)間: 296(小時(shí))
注冊時(shí)間: 2010-09-21
最后登錄: 2025-06-07
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樓主  發(fā)表于: 2011-02-23 19:55
用的是NPN型的接近開(kāi)關(guān)，輸入X0，一米為4次信號，可到60米/分 線(xiàn)速后無(wú)法計米，請各位大俠相助，小弟不勝感激。
lxhwawa
級別: 略有小成
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發(fā)帖數量: 275 個(gè)
工控威望: 347 點(diǎn)
下載積分: 1578 分
在線(xiàn)時(shí)間: 301(小時(shí))
注冊時(shí)間: 2009-02-27
最后登錄: 2025-05-29
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1樓  發(fā)表于: 2011-02-24 09:28
一米為4次信號，60米/分的時(shí)候頻率是4次/秒，一般的接近開(kāi)關(guān)都能響應，問(wèn)題是用來(lái)感應的物件尺寸是否足夠，速度越快，感應時(shí)間越短，是否會(huì )影響呢？

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