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lzhpsky
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樓主  發(fā)表于: 2012-06-03 16:25
現在手里2個(gè)315-2dp的CPU，想連接起來(lái)做profibus通信的實(shí)驗，這2個(gè)CPU之間的連接線(xiàn)怎么制作？普通的屏蔽線(xiàn)可以嗎？中間需要加電阻嗎？具體之間的線(xiàn)是怎么連接的，3和3    8和8嗎？
請大家指教

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