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 <title><![CDATA[西门子PLC的9针接口如何PC的USB接口，买什 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 西门子PLC的9针接口如何PC的USB接口，买什 ..]]></description>
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 <description><![CDATA[我的单板机就用了个485转DB9的接口，再用国产线连电脑就行啦。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472737#1635555.html]]></link>
 <author><![CDATA[uploader]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 07 Jan 2015 04:28:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[西门子200是PPI通讯协议一条USB转485的即可 300&nbsp;&nbsp;400 是MPI通讯协议&nbsp;&nbsp;如果只是200用便宜的USB转485即可，如果是200&nbsp;&nbsp;300&nbsp;&nbsp;400 兼顾就买五代线 6ES7 972-0CB20-0XA0&nbsp;&nbsp;一条线解决西门子所有PLC触摸屏的通讯&nbsp;&nbsp;2380元一条]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472737#1635554.html]]></link>
 <author><![CDATA[weisongyuan]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 07 Jan 2015 04:23:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果你用在200上！直接买个USB转RS485就行！ 接连PLC的3&nbsp;&nbsp; - 8脚上就可以通讯了！&nbsp;&nbsp; 如果是要用在300和400上那自己做就做不了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472737#1622762.html]]></link>
 <author><![CDATA[zhangyjxf]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Tue, 25 Nov 2014 13:31:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[转不了，必须买西门子专用的通讯线，挺贵的。750一根。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472737#1622740.html]]></link>
 <author><![CDATA[lcwlaile]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Tue, 25 Nov 2014 12:33:11 +0000]]></pubdate>
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