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 <title><![CDATA[plc与其他元件之间的协议]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224.html]]></link>
 <description><![CDATA[Latest 50 replies of plc与其他元件之间的协议]]></description>
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 <description><![CDATA[[s:17]&nbsp;&nbsp;[s:17]&nbsp;&nbsp;[s:17]&nbsp;&nbsp;[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1215695.html]]></link>
 <author><![CDATA[panchaoren]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 25 Feb 2012 03:11:46 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[路过，学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1215644.html]]></link>
 <author><![CDATA[琴岛工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 25 Feb 2012 02:08:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[多数是modbus!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1215350.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 24 Feb 2012 08:59:45 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[各品牌不同]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1214791.html]]></link>
 <author><![CDATA[ccy5156]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Feb 2012 15:13:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习中````]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1214770.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Feb 2012 14:50:58 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这个多了去了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1214756.html]]></link>
 <author><![CDATA[陈大围]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 23 Feb 2012 14:37:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[每一种变频器都有他的通讯格式]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1214172.html]]></link>
 <author><![CDATA[zmy450365]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 22 Feb 2012 14:23:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[各大厂商都有自己的通讯协议]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1213246.html]]></link>
 <author><![CDATA[ljb6688]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Feb 2012 10:51:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习中]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1213142.html]]></link>
 <author><![CDATA[xtaymcsc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Feb 2012 08:55:23 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这方面我也迷茫啊，期待好书，好人]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1213110.html]]></link>
 <author><![CDATA[wbenit]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Feb 2012 08:31:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[MODBUS协议，PROFIBUS协议等。就好比是我们沟通用什么语言。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1213098.html]]></link>
 <author><![CDATA[xjf_0314]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Feb 2012 08:09:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1207818.html]]></link>
 <author><![CDATA[相识是缘35]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 11:40:30 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位大侠]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1207762.html]]></link>
 <author><![CDATA[lzmtxp99]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Feb 2012 09:44:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不同PLC不同分析，plc之间有profibus,tcp/ip协议，和变频器之间有modbus,profibus,等等]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1206401.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 09 Feb 2012 01:31:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[plc与变频器之间的通信多数是Modbus通讯协议]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1204450.html]]></link>
 <author><![CDATA[plc学者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Feb 2012 11:24:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[cpu总线协议，好像是基于硬件层]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136224#1204439.html]]></link>
 <author><![CDATA[王大饼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 05 Feb 2012 11:00:02 +0000]]></pubdate>
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