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 <title><![CDATA[RS-485通讯]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143.html]]></link>
 <description><![CDATA[Latest 50 replies of RS-485通讯]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[以下是ASCII协议和RTU协议进行的比较： 
协议&nbsp;&nbsp;&nbsp;&nbsp;开始标记&nbsp;&nbsp;&nbsp;&nbsp;结束标记&nbsp;&nbsp;&nbsp;&nbsp;校验&nbsp;&nbsp;&nbsp;&nbsp;传输效率&nbsp;&nbsp;&nbsp;&nbsp;程序处理
ASCII&nbsp;&nbsp;&nbsp;&nbsp;:（冒号）&nbsp;&nbsp;&nbsp;&nbsp;CR,LF&nbsp;&nbsp;&nbsp;&nbsp;LRC&nbsp ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1293279.html]]></link>
 <author><![CDATA[sungang2012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 24 Jun 2012 06:57:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[以设备为主 考虑那么多乱]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1286803.html]]></link>
 <author><![CDATA[lianghuibin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 12 Jun 2012 14:58:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[ASCLL模式LRC校验
RTU模式CRC校验]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1285533.html]]></link>
 <author><![CDATA[愚公移山]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 Jun 2012 09:24:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个基本都一样的&nbsp;&nbsp;具体就是后面的校验码]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1285357.html]]></link>
 <author><![CDATA[ak_42bl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 Jun 2012 03:14:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是校验码的区别，RTU抗干扰更好，安全性更高。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1285330.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 Jun 2012 02:32:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[管它什么模式！！！你只要主设备能叫应付设备就OK！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1285272.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 Jun 2012 01:13:17 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一言难尽啊&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1380143#1285251.html]]></link>
 <author><![CDATA[路在何方]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 Jun 2012 00:43:59 +0000]]></pubdate>
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