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 <title><![CDATA[求助]]></title>
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 <title><![CDATA[]]></title>
 <description><![CDATA[方法2：外部端子接线好象不能监控频率呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1507113.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Nov 2013 03:46:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用组态软件嘛]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1507107.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 08 Nov 2013 03:29:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我想用485通信，不知道传输距离够吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1506944.html]]></link>
 <author><![CDATA[penzhenjian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 07 Nov 2013 15:14:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你用的谁家变频器啊，最好用外部端子控制启停，变频器频率给定也最好用多段速，因为通讯距离太长了，会带来 不必要的麻烦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1497301.html]]></link>
 <author><![CDATA[刘建芳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Oct 2013 03:13:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以说详细的吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1495303.html]]></link>
 <author><![CDATA[penzhenjian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Oct 2013 14:28:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通讯485]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1495301.html]]></link>
 <author><![CDATA[p540762]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Oct 2013 14:20:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[方法1：通讯
方法2：外部端子接线

Good Luck~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1439527#1495292.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Oct 2013 14:07:26 +0000]]></pubdate>
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