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 <title><![CDATA[PLC通信模块一定要用的吗？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136.html]]></link>
 <description><![CDATA[Latest 50 replies of PLC通信模块一定要用的吗？]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[请高手上传样例文件呀！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1638054.html]]></link>
 <author><![CDATA[cb_168]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 Jan 2015 01:09:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不需要]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1638020.html]]></link>
 <author><![CDATA[weisongyuan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 19:33:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[组网有通讯需求才加通讯模块的，一般没有必要]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1638012.html]]></link>
 <author><![CDATA[daocaoren]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 15:23:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我理解：通信就是用一种介质（通常用双绞线）传送所有信息]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1638011.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 15:21:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是说2个PLC一起使用才需要通信模块的吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1637995.html]]></link>
 <author><![CDATA[wyq1991]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 14:36:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你的是单机控制，并不需要单独的通信模块的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1477136#1637978.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2015 13:45:42 +0000]]></pubdate>
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