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plcxt(s.m)
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樓主  發(fā)表于: 2010-12-24 10:36
請教一下如果幾組編碼器的線(xiàn)綁在一起出了各自接地外還學(xué)要做些什么來(lái)抗干擾？最近一個(gè)變頻器一天總要出現一兩次編碼器故障，查線(xiàn)路也沒(méi)有什么異常，編碼器確定是好的
jiryljw
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1樓  發(fā)表于: 2010-12-24 10:38
[\fly]飄過(guò),不懂[fly]
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2樓  發(fā)表于: 2010-12-24 10:47
1,用屏蔽線(xiàn)
2,電源器負接屏蔽線(xiàn)的網(wǎng)線(xiàn)上
3,信號電源不要和負載電源共用
4,負載電源如有感性負載要做個(gè)吸收器,用電阻和電容,買(mǎi)現成的也行的
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