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 <title><![CDATA[请教通讯高手]]></title>
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 <description><![CDATA[Latest 50 replies of 请教通讯高手]]></description>
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 <description><![CDATA[[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#270493.html]]></link>
 <author><![CDATA[mfw995]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Jul 2008 08:09:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习看看。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#270462.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Jul 2008 07:35:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[三菱变频接受的命令是16进制数据，而台达的VFD系列的则是ASCII码。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#269262.html]]></link>
 <author><![CDATA[zhong1946]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Jul 2008 14:39:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正在学习中
 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#269199.html]]></link>
 <author><![CDATA[yanzhi2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Jul 2008 13:43:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[本人正需要搞PLC与PC通讯这块，希望能学到东西，谢谢！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#269024.html]]></link>
 <author><![CDATA[jacky800512]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Jul 2008 08:46:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要加强学习呀！不明白,下来看看学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#268454.html]]></link>
 <author><![CDATA[丙丙]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 21 Jul 2008 10:24:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#268128.html]]></link>
 <author><![CDATA[guanying14]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 21 Jul 2008 01:30:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[下载看看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#268087.html]]></link>
 <author><![CDATA[fangyouqiang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 20 Jul 2008 22:39:41 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学无止尽]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#250090.html]]></link>
 <author><![CDATA[杨粟宇]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 25 Jun 2008 03:23:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[下来学习学习！谢谢您的分享！ [s:21]&nbsp; [s:21]&nbsp; [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#249927.html]]></link>
 <author><![CDATA[liangtison]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Jun 2008 12:34:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也要加强学习才行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#249887.html]]></link>
 <author><![CDATA[天涯孤客]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Jun 2008 11:42:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要加强学习呀！不明白]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#249775.html]]></link>
 <author><![CDATA[lde1982]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Jun 2008 08:55:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[活到老学到老。加油努力。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#249109.html]]></link>
 <author><![CDATA[雪花飘飘]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 12:03:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢你们
终于看懂了
H1是地址，因为是RTU通讯格式，所以不同
所以说我也是高手嘛，哈哈！我的天啊。。。。 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248829.html]]></link>
 <author><![CDATA[fgc536]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 06:41:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通讯方面我也只是入门级

我感觉这个应该结合变频的使用手册来看，查看其中的通讯格式

A700：[url]http://www.ymmfa.com/bbs/read.php?tid-1570.html[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248802.html]]></link>
 <author><![CDATA[YMMFA]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 06:01:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[顶个..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248797.html]]></link>
 <author><![CDATA[xiantom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 05:57:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[顶个..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248751.html]]></link>
 <author><![CDATA[bestmanyin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 04:13:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是文档版本
人人都可以下来学习
非常好的一个教材&nbsp; 
不下是你的损失了 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248734.html]]></link>
 <author><![CDATA[fgc536]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 03:46:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[附程式学习
大家来研究]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-15665#248730.html]]></link>
 <author><![CDATA[fgc536]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Jun 2008 03:43:15 +0000]]></pubdate>
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