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 <title><![CDATA[搞错了]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777.html]]></link>
 <description><![CDATA[Latest 50 replies of 搞错了]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是开关电源的+24V接电磁阀的正极，电磁阀的负极接Y0或其它输出点，PLC的COM接开关电源的0V。当程序驱动Y0时电磁阀动作。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1202297.html]]></link>
 <author><![CDATA[358273433]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 09:05:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1202293.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 08:56:21 +0000]]></pubdate>
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 <description><![CDATA[晶体管的吧，晶体管分类型的。
还有，电磁阀动不动得通了气才行，很多电磁阀是需要气体来推动的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1202217.html]]></link>
 <author><![CDATA[庞树恒]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 06:05:47 +0000]]></pubdate>
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 <description><![CDATA[应当是晶体管输出的，可以作为一个经验吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1202194.html]]></link>
 <author><![CDATA[qlin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 04:45:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[继电器无所谓啊！晶体管可就惨了，应该全部导通吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1202073.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 Jan 2012 23:47:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[继电器的还是晶体管的？ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-130777#1179834.html]]></link>
 <author><![CDATA[子丑寅卯9]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 09 Dec 2011 07:57:50 +0000]]></pubdate>
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