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公開(kāi)工控
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樓主  發(fā)表于: 2017-11-13 13:39
一個(gè)普通馬達加個(gè)編碼器 如何做到與伺服同步 就是轉動(dòng)速度一樣


普通馬達運行中,速度快慢會(huì )變化,

要求用PLC根據編碼器讀到的數。。然后控制伺服同步

這里有一點(diǎn),,就是PLC讀到編碼器的數。。。要如何把這個(gè)數轉換成伺服的速度呢

用什么指令或者方法

PLC 用三菱的
rado1789
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1樓  發(fā)表于: 2017-11-29 09:29
普通馬達的增量式編碼器進(jìn)伺服驅動(dòng)器的脈沖輸入端,伺服工作在位置模式,設置好電子齒輪比就可以了。若用PLC,得用PLC的手搖輪輸入功能來(lái)控制。自己用高速計數寫(xiě)程序也可以,但有延遲,不能做到完全同步;蛘逷LC有電子凸輪功能也可以實(shí)現。

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