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 <title><![CDATA[西门子plc200的高速计数器那个预设值困惑]]></title>
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 <description><![CDATA[Latest 50 replies of 西门子plc200的高速计数器那个预设值困惑]]></description>
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 <description><![CDATA[SMD42为HSC0的预设值存储，用于中断事件13.你可能是需要改变SMD38的值吧，SMD38为设定值，用于更改计数器当前值。使用方法：将所需的设定值写入SMD38，再将SM37.6=1.当前值更为SMD38的值，下次计数从SMD38的值开始。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1455356#1566311.html]]></link>
 <author><![CDATA[张小牛]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 07 May 2014 03:04:16 +0000]]></pubdate>
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 <description><![CDATA[没用过文本屏，不过应该像你说的那样 把MW0传送SMD42]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1455356#1566202.html]]></link>
 <author><![CDATA[yaoqibbs]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 06 May 2014 14:04:09 +0000]]></pubdate>
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