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fdw1900
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樓主  發(fā)表于: 2011-10-25 19:55
圖片:
  今天用一個(gè)2048線(xiàn)的增量型編碼器與F2N 三菱PLC做了個(gè)實(shí)驗,編碼器電源就接PLC地24V電源,A相接X(jué)0,B相接X(jué)1,用C252計數器計數,旋轉編碼器時(shí),C252沒(méi)動(dòng)作,就想拆下編碼器的線(xiàn)看下錯了沒(méi)有,沒(méi)想到剛拆下X1就是B相,計數器動(dòng)了,愿來(lái)不用轉動(dòng)編碼器,就用B相間斷接觸X1,計數器就動(dòng)作,一直接觸不計,轉動(dòng)編碼器也不計,那位大俠能告訴小弟原因,不勝感謝。B相接入X1,X1的燈一直亮,是不是編碼器有問(wèn)題                                                                          ,新傳了圖,  高手進(jìn)來(lái)指點(diǎn)下。
[ 此帖被fdw1900在2011-10-28 16:00重新編輯 ]
qq122519941
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1樓  發(fā)表于: 2012-01-31 18:46
你的B 相是不是接到了C251的減計數器上了哦,用高速計數器中最前兩個(gè)計數器,是單脈沖的

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