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dujianjun
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樓主  發(fā)表于: 2008-10-18 22:29
我用電腦聯(lián)plc的com口，cpu上面九針的那個(gè)口，不能通信，這個(gè)plc還有一塊通信板。上面有2個(gè)九針的串口，我都試過(guò)不能通信，還有一臺plc是CQM1H CPU21的可以通信，不知道什么原因？請高手指點(diǎn)一下
dujianjun
級別: 略有小成
精華主題: 0
發(fā)帖數量: 347 個(gè)
工控威望: 375 點(diǎn)
下載積分: 689 分
在線(xiàn)時(shí)間: 59(小時(shí))
注冊時(shí)間: 2007-10-29
最后登錄: 2025-01-04
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1樓  發(fā)表于: 2008-10-19 21:05
沒(méi)有手編，是不是哪里要設置一下呢？我看到廠(chǎng)家的人用CPU上面的那個(gè)小插口可以讀寫(xiě)程序，但是我沒(méi)有那個(gè)通信電纜

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