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 <title><![CDATA[ppi 通讯问题]]></title>
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 <description><![CDATA[Latest 50 replies of ppi 通讯问题]]></description>
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 <description><![CDATA[谢谢&nbsp;&nbsp;找到原因了&nbsp;&nbsp; 是USB转串口的问题，直接插串口 就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1745982#2320005.html]]></link>
 <author><![CDATA[tysca]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 08 Nov 2022 11:41:33 +0000]]></pubdate>
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 <description><![CDATA[PPI是485的，还要加232转485]]></description>
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 <author><![CDATA[yyhhjj2008]]></author>
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 <pubdate><![CDATA[Tue, 08 Nov 2022 08:28:17 +0000]]></pubdate>
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