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 <title><![CDATA[请熟悉自由通信口的同仁帮助指点一下，S7 ..]]></title>
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 <description><![CDATA[s7-200有现成的modbus-RTU库你只要定义好端口和通讯地址就好了，要注意通讯地址的定义你要好好看一下，你可以先下一个modbus测试软件在电脑上，看电脑能不能收到串口发过来的信息。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1471937#1620245.html]]></link>
 <author><![CDATA[123456789dss]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Nov 2014 02:26:37 +0000]]></pubdate>
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 <description><![CDATA[s7-200有现成的modbus-RTU库，方便的很，台达也支持modbus-RTU&nbsp;&nbsp;要体会拿来主义！！！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1471937#1619025.html]]></link>
 <author><![CDATA[leechonghua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Nov 2014 05:08:21 +0000]]></pubdate>
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 <description><![CDATA[ASCII吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1471937#1619009.html]]></link>
 <author><![CDATA[fjxmzyc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Nov 2014 03:11:30 +0000]]></pubdate>
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 <description><![CDATA[自由口通信是用RTU还是ASCLL? 我这个电脑没装软件打不开.[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1471937#1618954.html]]></link>
 <author><![CDATA[电工小安子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Nov 2014 01:15:28 +0000]]></pubdate>
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