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752151619
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樓主  發(fā)表于: 2013-07-13 18:49
這個(gè)是用示波器掃描出來(lái)的,測一種小型的編碼器...只有三個(gè)引腳 分別是A B 還有一個(gè)公共端,,,現在要用PLC捕捉A B 的
脈沖寬度怎么做,,還是算A B 相的誤差的那些時(shí)間 .不知道用PLC能不能做.....具體要用哪些功能來(lái)做,,,用臺達EH2 40 能不能做出來(lái),,或是
哪些PLC有做這方面的特殊功能..求高手指點(diǎn)啊....編碼器正轉時(shí)是 AB AB AB AB ....反轉時(shí)是 BA BA BA .......轉一圈總脈 沖是24個(gè) A B 相各12 個(gè)脈沖,,,

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