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小順子
級別: 略有小成
精華主題: 0
發(fā)帖數量: 30 個(gè)
工控威望: 200 點(diǎn)
下載積分: 623 分
在線(xiàn)時(shí)間: 32(小時(shí))
注冊時(shí)間: 2009-05-30
最后登錄: 2016-11-19
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樓主  發(fā)表于: 2012-04-16 10:21
    請教,S7—200,CPU224xp,控制伺服v80讓其空轉(不帶機械手),標示0度位置對其發(fā)出10000個(gè)脈沖讓其順時(shí)針運轉,改變方向發(fā)出同樣的脈沖數,讓其回到0度位置,可是回來(lái)結束時(shí)偏差3-4度。
反復對其檢查(連線(xiàn),軟件指令,脈沖計數值都沒(méi)問(wèn)題,不帶負載,不帶機械手,不會(huì )存在機械誤差),到底是什么問(wèn)題呢?難道伺服精度有那么差?不可能!
QQ1528067507
小順子
級別: 略有小成
精華主題: 0
發(fā)帖數量: 30 個(gè)
工控威望: 200 點(diǎn)
下載積分: 623 分
在線(xiàn)時(shí)間: 32(小時(shí))
注冊時(shí)間: 2009-05-30
最后登錄: 2016-11-19
查看小順子的 主題 / 回貼
1樓  發(fā)表于: 2012-04-16 10:42
會(huì )不會(huì )有干擾?  不太可能,我只是在做簡(jiǎn)單的伺服精度測試,線(xiàn)與線(xiàn)之間也距離也不是很近,符合標準。
QQ1528067507

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