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 <title><![CDATA[PLC的步进指我有糊涂]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27734.html]]></link>
 <description><![CDATA[Latest 50 replies of PLC的步进指我有糊涂]]></description>
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 <description><![CDATA[接2楼，当转移条件满足后转到下一步，上一步各控制对象OFF（如采用强置位指令时如SET指令，则各控制对象仍保持ON）这一点在用SFC编程时要注意！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27734#395552.html]]></link>
 <author><![CDATA[hjx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 23 Dec 2008 12:07:44 +0000]]></pubdate>
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 <description><![CDATA[楼上回答很好! 就是一步一步满足条件下运行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27734#395418.html]]></link>
 <author><![CDATA[工控天地]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 23 Dec 2008 10:05:09 +0000]]></pubdate>
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 <description><![CDATA[按照工艺,一步一步的动作.转移条件满足时,把状态转到下一个工作状态.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-27734#395413.html]]></link>
 <author><![CDATA[zwz579]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 23 Dec 2008 09:47:53 +0000]]></pubdate>
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