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 <title><![CDATA[S7-200与电脑通讯问题]]></title>
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 <description><![CDATA[Latest 50 replies of S7-200与电脑通讯问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意3楼的说法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1548431#1799112.html]]></link>
 <author><![CDATA[成功学习]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 31 Jul 2016 00:55:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是通讯线问题(例如山寨线或者是USB转接的线)或者干扰原因。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1548431#1799107.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 31 Jul 2016 00:05:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通信口PPI时可以和计算机通讯，运行时可能改了SMB30，实现MODBUS通讯，这个通讯口就不能与计算机进行联机通讯了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1548431#1799045.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jul 2016 12:25:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以设置的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1548431#1798834.html]]></link>
 <author><![CDATA[wisexdh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Jul 2016 01:14:28 +0000]]></pubdate>
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