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919483917
級別: 正式會(huì )員
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發(fā)帖數量: 29 個(gè)
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下載積分: 336 分
在線(xiàn)時(shí)間: 35(小時(shí))
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樓主  發(fā)表于: 2020-10-06 09:58
最近有個(gè)項目 需要用到三菱的5uplc控制國產(chǎn)5個(gè)帶絕對編碼器的伺服,加個(gè)帶脈沖的模塊,因為客戶(hù)希望異;蛘邤嚯姾,伺服不要每次都回原點(diǎn),所以我目前想得方法是,通過(guò)485通訊,上電或者伺服異常斷電重啟后讀取伺服編碼器的反饋位置,然后傳送給plc的脈沖寄存器,然后plc通過(guò)當前脈沖寄存器的值,就知道伺服當前的位置,這樣我用ddrva絕對定位的時(shí)候,就能走到我想去到的位置,我想問(wèn)下大佬們,這種做可以嗎?求大佬給點(diǎn)建議,小白第一次搞通訊的,迷茫得很,萬(wàn)分感謝
119119771
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1樓  發(fā)表于: 2020-10-06 17:31
485需要做輪詢(xún),走總線(xiàn)多方便啊。非要用三菱,西門(mén)子PN它不香嗎?

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