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 <title><![CDATA[请问中间继电器在PLC中到底启什么作用？谢 ..]]></title>
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 <description><![CDATA[Latest 50 replies of 请问中间继电器在PLC中到底启什么作用？谢 ..]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼上的说得都很正确！！！ [s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1110014.html]]></link>
 <author><![CDATA[建筑人生]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2011 23:39:04 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[起 隔离作用，保护PLC,,,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1109897.html]]></link>
 <author><![CDATA[bingfan2176]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2011 14:00:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[保護PLC的輸出接點~~~
避免電流過大等原因損壞]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1109881.html]]></link>
 <author><![CDATA[takushi]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2011 13:47:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[保护PLC中继电器的触点，因PLC中的继电器比较小。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1109716.html]]></link>
 <author><![CDATA[liaa]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 16 Aug 2011 08:24:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[1、提升触点容量
2、保护触点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1104738.html]]></link>
 <author><![CDATA[cvlsam]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 07 Aug 2011 05:21:28 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[作用那是相当大&nbsp;&nbsp;台系基本是仿三菱]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-116073#1104709.html]]></link>
 <author><![CDATA[wuji001]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sun, 07 Aug 2011 04:05:04 +0000]]></pubdate>
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