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樓主  發(fā)表于: 2017-11-09 10:28
圖片：
三菱PLC有什么模塊可以測試光柵尺位置距離的  

就是光柵尺的位置，，，我需要用PLC讀取它現在的位置。，

光柵尺是發(fā)出 A  B 相位差的。。

需要怎么讀它的距離，，

這個(gè)又不能像讀取模擬量那樣讀
hongsenmu
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1樓  發(fā)表于: 2017-11-09 17:21
這個(gè)問(wèn)題正好我以前也研究過(guò)，
如果接PC，接的是高速計數器
接PLC，也是高速計數器，然后讀取計數器的當前值

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