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 <title><![CDATA[PLC通讯问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918.html]]></link>
 <description><![CDATA[Latest 50 replies of PLC通讯问题]]></description>
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 <description><![CDATA[RS232和485是接口类型，MODBUS TCP 是通讯协议]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918#2278172.html]]></link>
 <author><![CDATA[qq240559043]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 May 2022 02:16:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918#2277985.html]]></link>
 <author><![CDATA[rache09]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2022 22:39:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢大师们的讲解，知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918#2277948.html]]></link>
 <author><![CDATA[来者不善]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 01 May 2022 12:50:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一个是硬件层面，一个是软件层面]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918#2277749.html]]></link>
 <author><![CDATA[受不了了]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Apr 2022 10:23:39 +0000]]></pubdate>
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 <description><![CDATA[网上有专业的解释，但是你只要这么理解就可以，232的传送快，但是距离很短，抗干扰差。485的传送慢，距离长，抗干扰强点。TCP的就是用网口，传送快，距离长，抗干扰强。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1733918#2277742.html]]></link>
 <author><![CDATA[哼哼小猪]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Apr 2022 08:56:30 +0000]]></pubdate>
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