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飄落的風(fēng)
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樓主  發(fā)表于: 2020-08-10 09:07
前輩們,請教個(gè)問(wèn)題:
現在手上一個(gè)小項目,用脈沖控制伺服定位,因為設備上沒(méi)有規定精度,也就不需要通過(guò)脈沖當量來(lái)計算電子齒輪比,我打算根據PLC輸出的最大頻率(10KHz)對應電機轉速(3000轉/分鐘)的關(guān)系求得電子齒輪比,實(shí)際使用中發(fā)現,PLC輸出低頻率時(shí)沒(méi)問(wèn)題,頻率一高,驅動(dòng)器報位置偏差過(guò)大故障,手冊上說(shuō)是輸入的脈沖頻率過(guò)高了。
求前輩們指導:是驅動(dòng)器一般不用高頻率控制嗎?是否我提升電子齒輪比,降低輸入脈沖頻率就行了?求前輩們解答,謝謝了
宿遷電工
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1樓  發(fā)表于: 2020-08-10 10:26
減小電子齒輪比,最好老老實(shí)實(shí)計算電子齒輪比。
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