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 <title><![CDATA[西门子200走232和仪器无协议通讯]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544747.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子200走232和仪器无协议通讯]]></description>
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 <description><![CDATA[搞过VB通讯编程的问搞PLC的通讯问题，
首先要有个232-485转换器
波特率、校验、停止位等要一致
编写发送报文和接受指令
数据处理提取]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544747#1784566.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Jun 2016 05:36:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[SMART200 可以扩展485或232
主要问我的思路对吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544747#1784225.html]]></link>
 <author><![CDATA[小学没毕业]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2016 06:55:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[?.....]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544747#1784204.html]]></link>
 <author><![CDATA[huping2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2016 06:10:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[232？ 西门子通信口是485的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544747#1784196.html]]></link>
 <author><![CDATA[mqgmqg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 15 Jun 2016 05:39:14 +0000]]></pubdate>
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