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 <title><![CDATA[继电器线圈用电的两个接点短接]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934.html]]></link>
 <description><![CDATA[Latest 50 replies of 继电器线圈用电的两个接点短接]]></description>
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 <description><![CDATA[还有，我只见过电容和二极管的，没见过有保险的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232478.html]]></link>
 <author><![CDATA[zhouzikan]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 14:25:43 +0000]]></pubdate>
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 <description><![CDATA[如果是瓷的，就是中和线圈感性的电容，如果是白色的，像水泥电阻一样，小小的，就是保险，如果管状的还有极性白环，就是防反接的保护二极管]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232477.html]]></link>
 <author><![CDATA[zhouzikan]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 14:23:51 +0000]]></pubdate>
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 <description><![CDATA[可能如5楼所说。我问了一个同事，他说可能是二极管。后来把这根线拿下来用万用表电阻档测量，这根线导通了。把这根线取下来后，再给继电器线圈通24VDC，继电器有动作。还好，没烧坏。[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232413.html]]></link>
 <author><![CDATA[matengfei]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 13:25:29 +0000]]></pubdate>
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 <description><![CDATA[可能是二极管，防电源接反。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232285.html]]></link>
 <author><![CDATA[hxshh]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 11:10:57 +0000]]></pubdate>
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 <description><![CDATA[[s:26] 佩服楼主的勇气 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232274.html]]></link>
 <author><![CDATA[aaweihua]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 10:42:02 +0000]]></pubdate>
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 <description><![CDATA[[s:47]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232185.html]]></link>
 <author><![CDATA[328057984]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 08:16:47 +0000]]></pubdate>
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 <description><![CDATA[那是电容，或者是压敏电阻，保护线圈不受高压。DC24V的，你接220V，当然把电容，或者是压敏电阻击穿了，引起短路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232164.html]]></link>
 <author><![CDATA[znz43]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 07:56:40 +0000]]></pubdate>
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 <description><![CDATA[[s:47]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-143934#1232145.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 22 Mar 2012 07:41:30 +0000]]></pubdate>
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