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樓主  發(fā)表于: 2008-06-19 02:04
小弟今天要將一個(gè)流量計的RS485信號通過(guò)S7-200采集然后再傳到300.。
在RS485信號到S7-200的通訊是個(gè)盲區，來(lái)此請教各位老師，如何編寫(xiě)程序
王睿
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1樓  發(fā)表于: 2008-06-19 06:36
還沒(méi)學(xué)會(huì )呢 不好意思

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