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 <description><![CDATA[Latest 50 replies of 新人求助关于现场总线和OSI的问题]]></description>
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 <description><![CDATA[Modbus和profibus都是用的RS485接口，MODBUS的协议有两种RTU和ACSII，通讯速率相对profibus来说要慢。]]></description>
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 <author><![CDATA[工控人2016]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 20 Mar 2016 13:00:08 +0000]]></pubdate>
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 <description><![CDATA[百度下吧 一下说不好啊]]></description>
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 <author><![CDATA[mikehu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 20 Mar 2016 09:20:49 +0000]]></pubdate>
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