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 <title><![CDATA[有这样用模拟量的么？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646.html]]></link>
 <description><![CDATA[Latest 50 replies of 有这样用模拟量的么？]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[负线是要联在一起！必须的！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796414.html]]></link>
 <author><![CDATA[受伤的奋斗]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 May 2010 07:25:55 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看看231的说明。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796401.html]]></link>
 <author><![CDATA[zhaoyang4505]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 May 2010 07:07:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796292.html]]></link>
 <author><![CDATA[唐先生2010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 May 2010 03:34:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[从图上看来现场仪表是二线制，S7 200必须这样接法，看来楼主了解的太少]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796191.html]]></link>
 <author><![CDATA[peng6116380]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 May 2010 01:10:27 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[应该不大稳定！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796106.html]]></link>
 <author><![CDATA[zhong_xb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 May 2010 15:52:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[注意没有用屏蔽线哦

如果外部电流的负极没有跟AD模块的负极（即M）相接，是不是就不会准确？

我想将外部输入的负极与AD模块电源的负极连接，就是为了使参考地电位平衡，不知道这样理解对不？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796086.html]]></link>
 <author><![CDATA[ak47m16u571]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 May 2010 15:25:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[难道干扰不大？ [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796081.html]]></link>
 <author><![CDATA[ak47m16u571]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 May 2010 15:20:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以，我用过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796075.html]]></link>
 <author><![CDATA[jianchun_h]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 May 2010 15:16:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这样可以的 。至少我们公司是这用的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-65646#796063.html]]></link>
 <author><![CDATA[wzj810123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 29 May 2010 15:02:27 +0000]]></pubdate>
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