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 <title><![CDATA[真的不能自制S7-300编程电缆吗]]></title>
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 <description><![CDATA[Latest 50 replies of 真的不能自制S7-300编程电缆吗]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[买一根算]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#526708.html]]></link>
 <author><![CDATA[yangxiliang]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 May 2009 15:27:43 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[好像不行哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#526505.html]]></link>
 <author><![CDATA[plc1980]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 22 May 2009 12:38:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[都用什么样的转换器啊，RS232转RS485吗？S7 200用RS232转RS485用双绞线接3.8脚行不？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#525768.html]]></link>
 <author><![CDATA[小小邢]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 21 May 2009 15:05:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[好像不能制作 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#455987.html]]></link>
 <author><![CDATA[qdyzy]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 13 Mar 2009 11:48:40 +0000]]></pubdate>
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 <description><![CDATA[[s:32]&nbsp;&nbsp;[s:32] 不会吧！不过还是谢谢你的回复！我要想办法试试看！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#455982.html]]></link>
 <author><![CDATA[zhangyjxf]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 13 Mar 2009 11:45:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要买转换器的
没有转换器是做不了的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-32378#455536.html]]></link>
 <author><![CDATA[flin124]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 13 Mar 2009 04:03:54 +0000]]></pubdate>
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