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shechunmin88
級別: 探索解密
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樓主  發(fā)表于: 2014-10-08 09:49
不知道是什么原因干擾引起，發(fā)脈沖的 指令是用FX3U PLC  DDRVA 驅動(dòng)，結束條件是脈沖到位+結束m8029標志來(lái)結尾，結果監控伺服接受脈沖有誤差。換成1PG模塊發(fā)送脈沖監控發(fā)現沒(méi)有指令脈沖丟失或者累計，請問(wèn)是什么問(wèn)題，防干擾的措施一般都做到了，輸出點(diǎn) Y0，Y3.  Y1，Y4.   Y2，Y5
三組，單獨一組測試也是不行。請教高手
cvbnj098
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1樓  發(fā)表于: 2014-10-08 13:52
指令發(fā)脈沖的頻率，超過(guò)限制沒(méi)？

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