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 <title><![CDATA[求救！关于模拟量的PLC选型和DP接头的问题 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 求救！关于模拟量的PLC选型和DP接头的问题 ..]]></description>
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 <description><![CDATA[西门子.西门子的DP接头是RS485的.若想接RS232需转换.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1437919#1489475.html]]></link>
 <author><![CDATA[hexdho]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 23 Sep 2013 07:57:41 +0000]]></pubdate>
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 <description><![CDATA[DP接头是RS485的，应该不能用在RS232的接口吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1437919#1489014.html]]></link>
 <author><![CDATA[beichen]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 22 Sep 2013 04:54:10 +0000]]></pubdate>
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