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 <title><![CDATA[西门子200PLC疑惑]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子200PLC疑惑]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[打开。换个继电器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1441488.html]]></link>
 <author><![CDATA[hbtwhb]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 11 May 2013 02:30:54 +0000]]></pubdate>
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 <title><![CDATA[问题回复]]></title>
 <description><![CDATA[有条件打开它不就知道了，干吗要这样去猜。
还有，就是你如果是在断电的状态下测试，毫无疑问说明输出继电器触点粘连了，这个是针对于继电器输出型plc。如果是晶体管输出型则是输出晶体管故障了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1441466.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 11 May 2013 01:21:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[换个通道再试，，，，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1441410.html]]></link>
 <author><![CDATA[f9616854]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 10 May 2013 17:56:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[对你叙述的没有看太明白，
用电压测量方法测测吧。看实际的输出电压值是否和电源值一样。不一样就是坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1441039.html]]></link>
 <author><![CDATA[netliuhao]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 09 May 2013 14:29:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输出点粘连或者驱动的晶体管短路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1441028.html]]></link>
 <author><![CDATA[有你更精彩]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 09 May 2013 13:59:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输出点粘连或者驱动的晶体管短路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1438321.html]]></link>
 <author><![CDATA[shfxfa]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Fri, 03 May 2013 02:36:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[但是其他的输出点很正常]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1438223.html]]></link>
 <author><![CDATA[ghf09]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 02 May 2013 14:31:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有可能，但也有可能是通道坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1437907.html]]></link>
 <author><![CDATA[mhbxfys]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 02 May 2013 01:29:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是粘连了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1426438#1437877.html]]></link>
 <author><![CDATA[金玉峰]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 02 May 2013 00:06:35 +0000]]></pubdate>
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