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wen_xian_jun
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樓主  發(fā)表于: 2010-07-29 11:47
  請教各位:編碼器運轉時(shí),屏幕上顯示的值是正常的,但當編碼器停止運轉時(shí),屏幕上的值還會(huì )繼續變動(dòng),一直遞減,請問(wèn)是編碼器的問(wèn)題嗎?線(xiàn)路已查正常.
guansky168
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1樓  發(fā)表于: 2010-07-29 15:15
編碼器的連個(gè)輸出端, 一個(gè)方向轉動(dòng)為減量, ,一個(gè)方向為增量,在編碼器不工作時(shí),仔細觀(guān)察PLC接編碼器的輸入端是否有脈沖信號,如果沒(méi)有就是干擾影響的, 如果有就是編碼器的問(wèn)題(前提線(xiàn)路正常)

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