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 <title><![CDATA[三菱PLC上电以后什么指示灯都不亮？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213.html]]></link>
 <description><![CDATA[Latest 50 replies of 三菱PLC上电以后什么指示灯都不亮？]]></description>
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 <description><![CDATA[[quote]引用第16楼赵峰于2012-07-09 14:34发表的&nbsp;&nbsp;:
确定有电源，我也把负载全部拆掉，从新上电，还是没反应，PLC拆开有两个看似保险，又好像是电容的东西，两个黑色的小方块，找不出直观的问题，
[/quote]
肯定是电源问题，至于你说到的两个小方块有可能是电感，没图片只是判断]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#2221803.html]]></link>
 <author><![CDATA[zhuyongxiong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Sep 2021 10:02:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我有好几个,请问修一下这种现象要多少钱?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#2221784.html]]></link>
 <author><![CDATA[浪子海风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 11 Sep 2021 09:15:22 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没有通电啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1302428.html]]></link>
 <author><![CDATA[suiyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Jul 2012 08:36:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电源估计挂了，，，检查一下就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1302407.html]]></link>
 <author><![CDATA[gensenzhang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Jul 2012 08:15:47 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[确定有电源，我也把负载全部拆掉，从新上电，还是没反应，PLC拆开有两个看似保险，又好像是电容的东西，两个黑色的小方块，找不出直观的问题，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1302324.html]]></link>
 <author><![CDATA[赵峰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Jul 2012 06:34:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电源问题,大多是感应器短路了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1302049.html]]></link>
 <author><![CDATA[坚士人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 09 Jul 2012 00:18:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把输出端的接线全拆下再接通电源试一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301965.html]]></link>
 <author><![CDATA[yhnt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 14:42:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[确定有电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301948.html]]></link>
 <author><![CDATA[liufeng7667]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 14:34:10 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[负载短路或是电源问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301870.html]]></link>
 <author><![CDATA[yye]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 12:10:24 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[断开DC24电源试下...或是断开AC电源后用外置DC24接到端子上就清楚了...]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301867.html]]></link>
 <author><![CDATA[kyy80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 11:57:26 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你把PLC&nbsp;&nbsp;的24V&nbsp;&nbsp;电源的负载全部脱掉&nbsp;&nbsp; 从上电看正不正常。正常 就是24V 负载短路造成。不正常是PLC 内部电源板坏了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301852.html]]></link>
 <author><![CDATA[liulungao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 11:29:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[确定有电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301848.html]]></link>
 <author><![CDATA[huxingtiandi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 11:22:25 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC内置保险丝断了，打开PLC 用一只220V40W灯泡窜在保险丝俩只引脚之间接上电源看灯泡是否由亮转暗到最后看不见那只有换上相同的保险丝就行了，如果灯泡亮不暗应检查电源板块。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301780.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 09:00:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[基本上是电源出问题了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301693.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 04:24:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可能是电源模块烧了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301584.html]]></link>
 <author><![CDATA[木皮]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Jul 2012 01:14:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[估计是负载短路了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301060.html]]></link>
 <author><![CDATA[lf594390325]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 23:20:15 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[plc自带的24v输出电源有用到吗?若短路会发生的，另外配线，打孔可能会有金属掉在plc内造成短路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301044.html]]></link>
 <author><![CDATA[nyzeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 17:05:29 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[电源端子排上有否电压，如有，端子排可能没联接好，拆除所有负载，再试还没有 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301043.html]]></link>
 <author><![CDATA[jackzjj49]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 16:08:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[负载短路～]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301042.html]]></link>
 <author><![CDATA[工控者]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 15:33:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没有接负载，没有的话可能是plc电源板有问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1384213#1301039.html]]></link>
 <author><![CDATA[控123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 15:17:19 +0000]]></pubdate>
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