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 <title><![CDATA[求西门子PLCS7-200与TD200通讯电缆]]></title>
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 <description><![CDATA[Latest 50 replies of 求西门子PLCS7-200与TD200通讯电缆]]></description>
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 <description><![CDATA[3-3&nbsp;&nbsp;8-8 4-4 5-5
资料上说：3和8是信号b和a ，4是发送申请，5是地。没有试验过。
3线和8线必须是对双绞线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-38241#582454.html]]></link>
 <author><![CDATA[netliuhao]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 23 Jul 2009 01:11:41 +0000]]></pubdate>
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 <description><![CDATA[3-3&nbsp;&nbsp;8-8&nbsp;&nbsp;&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-38241#582288.html]]></link>
 <author><![CDATA[xujun_127]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 22 Jul 2009 14:18:53 +0000]]></pubdate>
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