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 <title><![CDATA[S7-200PLC通信问题]]></title>
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 <description><![CDATA[Latest 50 replies of S7-200PLC通信问题]]></description>
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 <description><![CDATA[把通讯驱动程序安装一遍]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1554902#1839860.html]]></link>
 <author><![CDATA[zhangshan999]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 27 Nov 2016 10:38:06 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第1楼poiuzj于2016-11-01 12:07发表的&nbsp;&nbsp;:
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[/quote]
我的设置跟图上一样，还是不能通讯．以前可以通讯．今天怎么试都不行．我的通讯线货号是：6ES7 972-0CB20-0XA0]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1554902#1839836.html]]></link>
 <author><![CDATA[zsh340]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 27 Nov 2016 09:03:07 +0000]]></pubdate>
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 <description><![CDATA[[s:28] 有软件有编程电缆，为何要还用串口调试助手调试？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1554902#1831493.html]]></link>
 <author><![CDATA[stackdog]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 01 Nov 2016 05:13:45 +0000]]></pubdate>
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 <author><![CDATA[poiuzj]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 01 Nov 2016 04:07:21 +0000]]></pubdate>
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