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zht1994612
承接三菱PLC編程,非標設備制圖
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發(fā)帖數量: 54 個(gè)
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樓主  發(fā)表于: 2021-01-24 11:30
近期公司項目用到三菱J4-700B-RJ伺服,要求做全閉環(huán)控制,電機作用:電機帶動(dòng)齒輪箱( 齒比1:7.02)齒輪箱輸出軸上裝了一個(gè)主動(dòng)輪,用于送線(xiàn)材,線(xiàn)材接觸面有安裝一個(gè)旋轉編碼器(分辨率:1000) 要求伺服通過(guò)外置編碼器控制線(xiàn)材長(cháng)度,其他的參數都設置好了,目前就只有全閉環(huán)的電子齒輪比不會(huì )設置,查看三菱官網(wǎng)資料:要求電機旋轉一圈機械側編碼器不得小于4096個(gè)脈沖,這就有點(diǎn)搞不董了,怎么去選這個(gè)外置編碼器,請各位大佬教教我
承接三菱PLC編程,非標設備制圖 電話(huà)/微信18938931477
mtc04245
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1樓  發(fā)表于: 2021-01-28 08:50
圖片:
總覺(jué)得這樣不是很好
上位機發(fā)脈沖到伺服驅動(dòng)器驅動(dòng)電機轉動(dòng),電機的編碼器反饋脈沖數給驅動(dòng)器,這是半閉環(huán)。
外置編碼器反饋脈沖數給上位機,最終上位機對發(fā)出和接收脈沖進(jìn)行對比判定。
如果參數正確設置,送出的長(cháng)度要么剛剛好,要么短一點(diǎn),太短的話(huà)再驅動(dòng)電機補正。

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