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 <title><![CDATA[刚学PLC的指令求助]]></title>
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 <description><![CDATA[Latest 50 replies of 刚学PLC的指令求助]]></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[LG PLC学的人多吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#427519.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Feb 2009 07:25:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主控开关不导通，他后面的元件就不能得电]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#427295.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Feb 2009 18:05:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;形象一点说是控制柜里的总闸。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#427148.html]]></link>
 <author><![CDATA[wenzhifu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Feb 2009 12:25:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[也就一总开关的意思]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#425362.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Feb 2009 15:18:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]一楼说得在理]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#425359.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Feb 2009 15:13:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[形象点就一总开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#425243.html]]></link>
 <author><![CDATA[qkec8000]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Feb 2009 12:05:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[买一个二手的玩一下.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#425207.html]]></link>
 <author><![CDATA[优进]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 03 Feb 2009 10:57:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[相当于总开关的意思，主控开关不导通，他后面的元件就不能得电]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#414115.html]]></link>
 <author><![CDATA[竹风凉]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2009 09:05:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[-&nbsp;&nbsp;&nbsp;&nbsp;当MCS指令的On/Off 命令接通时，在MCS 和同MCS 指令具有相同嵌套数的MCSCLR 指令之间的顺序程序将执行。
-&nbsp;&nbsp;&nbsp;&nbsp;在每个MCS 指令后面的数字 (n)表示 主控制的优先权。0是最高优先权，7是最低优先权。MCS指令应该按优先权的等级使用。 
-&nbsp;&nbsp;&nbsp;&nbsp;MCSCLR 指令表 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-29030#413867.html]]></link>
 <author><![CDATA[zxc6688]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Jan 2009 02:17:52 +0000]]></pubdate>
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