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 <title><![CDATA[PLCl输出点常闭]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190.html]]></link>
 <description><![CDATA[Latest 50 replies of PLCl输出点常闭]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Tue, 12 May 2026 06:48:42 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加中继吧 [s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048799.html]]></link>
 <author><![CDATA[qq593276766]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 17:26:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主要有两个原因，1是继电器触点有粘连，2是PLC的输出驱动IC管脚有灰尘漏电引起的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048787.html]]></link>
 <author><![CDATA[seeyou]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 17:05:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[触点过载，粘连了 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048696.html]]></link>
 <author><![CDATA[hongzhao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 15:27:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也遇到过，换新继电器就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048657.html]]></link>
 <author><![CDATA[wusaoyun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 14:59:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[经常带感性负载没有保护措施和过电流造成的触点粘连]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048636.html]]></link>
 <author><![CDATA[hongsheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 14:42:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[头一次听说[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048598.html]]></link>
 <author><![CDATA[wjm0426]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 14:14:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可能的原因有两个：1，PLC使用的时间太长，内部继电器寿命到了，需换新的。2，PLC所带的负载过重，导致关断时打火严重。对于这种情况，建议增加外部继电器扩容。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048571.html]]></link>
 <author><![CDATA[ldq_yang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 13:45:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有遇到过这样的事]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048558.html]]></link>
 <author><![CDATA[liuhanqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 13:30:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果PLC比较好的话，有可能会在过载时保护了，然后过一段时间恢复！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048514.html]]></link>
 <author><![CDATA[lu831226]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 13:03:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输出点烧一起了！！PLC的输出点基本多是常开的！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-106190#1048256.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 May 2011 08:22:22 +0000]]></pubdate>
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