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 <title><![CDATA[三菱FX1N-60MT的PLC故障]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354.html]]></link>
 <description><![CDATA[Latest 50 replies of 三菱FX1N-60MT的PLC故障]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sun, 12 Apr 2026 07:41:51 +0000]]></lastBuildDate>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[小问题而已，弄多了就不是问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414489.html]]></link>
 <author><![CDATA[luo76]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 28 Feb 2013 08:48:35 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC输出端24V外部负载短路,检查负载.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414464.html]]></link>
 <author><![CDATA[cq1688]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 28 Feb 2013 07:51:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个是开关电源或外部传感器短路引起的故障，开关电源肯定是坏了换个电源检查DC24V回路基本就没问题了。但是我感觉这个柜子控制设计有点隐患，外部DC24V不应该跟PLC的DC24V并联，如果外部短路或窜进交流电这样有可能会造成昂贵的PLC损坏得不偿失。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414195.html]]></link>
 <author><![CDATA[aaaxgf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 27 Feb 2013 06:52:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[故障原因可能是PLC信号输入端短路，也就是24V电源短路，主要是感应头引起，把PLC24V，COM，+，-，断开。上电如果不闪，检查24V外接电路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414187.html]]></link>
 <author><![CDATA[王宽进]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 27 Feb 2013 06:10:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[换开关电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414182.html]]></link>
 <author><![CDATA[xuliuqing200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 27 Feb 2013 05:53:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[外部24VDC有短路现象，修好开关电源，并处理短路现象。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414121.html]]></link>
 <author><![CDATA[今夜有雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 27 Feb 2013 02:11:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[dv24v电源外部短路。输入220V电压太高]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1414032.html]]></link>
 <author><![CDATA[ligongyou]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Feb 2013 12:43:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[更换开关电源就好了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1413999.html]]></link>
 <author><![CDATA[jiaanreneng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Feb 2013 10:42:48 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[更换相同规格的电容]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1413995.html]]></link>
 <author><![CDATA[piclijun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Feb 2013 10:30:50 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[更换相同规格的电容，电容老化所致。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1420354#1413990.html]]></link>
 <author><![CDATA[gqm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Feb 2013 10:12:06 +0000]]></pubdate>
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