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 <title><![CDATA[西门子200modbus通讯的时候数据线用什么的 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 西门子200modbus通讯的时候数据线用什么的 ..]]></description>
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 <description><![CDATA[3+8- [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402455.html]]></link>
 <author><![CDATA[qwe123zxclk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Jan 2013 00:10:53 +0000]]></pubdate>
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 <description><![CDATA[西门子编程手册里有485口脚位定义]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402422.html]]></link>
 <author><![CDATA[psyo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2013 15:01:00 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第1楼yamqq于2013-01-14 11:10发表的&nbsp;&nbsp;:
485双绞线，接3和8
[/quote]
西门子PLC 接口端我卖个 接头&nbsp;&nbsp;接3 8&nbsp;&nbsp;&nbsp;&nbsp;仪表那边直接 用线接上就行了&nbsp;&nbsp;3跟8那个是正 那个是负啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402417.html]]></link>
 <author><![CDATA[huangpeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2013 14:54:08 +0000]]></pubdate>
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 <description><![CDATA[两根线]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402165.html]]></link>
 <author><![CDATA[狼堡]]></author>
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 <pubdate><![CDATA[Mon, 14 Jan 2013 05:09:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402099.html]]></link>
 <author><![CDATA[福记]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2013 03:34:45 +0000]]></pubdate>
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 <description><![CDATA[485双绞线，接3和8]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418367#1402082.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2013 03:10:36 +0000]]></pubdate>
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