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 <title><![CDATA[plc 与上位机通讯一定要加扩展模块吗]]></title>
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 <description><![CDATA[Latest 50 replies of plc 与上位机通讯一定要加扩展模块吗]]></description>
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 <description><![CDATA[通通编程口就可以通讯啦 不需要加下载模块的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1482630#1657763.html]]></link>
 <author><![CDATA[zhuyikang]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 23:43:19 +0000]]></pubdate>
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 <description><![CDATA[好像不管是有协议通讯还是无协议通讯都要加通讯模块是吗！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1482630#1657742.html]]></link>
 <author><![CDATA[y371032086]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 14:39:38 +0000]]></pubdate>
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 <description><![CDATA[曾经用编程数据线通过下载口读写I/O点和存储器。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1482630#1657705.html]]></link>
 <author><![CDATA[tiansan80700]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 12 Apr 2015 12:35:17 +0000]]></pubdate>
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