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 <title><![CDATA[spd指令]]></title>
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 <description><![CDATA[Latest 50 replies of spd指令]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通过两个编码器传送两个电机的转速（也就是脉冲的的频率）到PLC的高数计数端口用SPD指数出单位时间内的脉冲数，再做计算（这个要跟据你机械传达动比了），做比较就行了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300859.html]]></link>
 <author><![CDATA[twt97]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 07:58:55 +0000]]></pubdate>
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 <description><![CDATA[两个电机的功率不一样啊，再着两个的传动轴经不一样啊。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300797.html]]></link>
 <author><![CDATA[周红军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 06:15:49 +0000]]></pubdate>
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 <description><![CDATA[二个相同速度，只要马达一样，绝对是一样，我们成功案列15年。QQ64645766]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300776.html]]></link>
 <author><![CDATA[jianglin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 05:10:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你试下不就知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300686.html]]></link>
 <author><![CDATA[dl2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 02:52:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[怎嘛没谁知道吗，望知道者顶啊。 [s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300503.html]]></link>
 <author><![CDATA[周红军]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Jul 2012 00:29:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也想知道 [s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1383983#1300048.html]]></link>
 <author><![CDATA[编程学习]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 05 Jul 2012 03:28:34 +0000]]></pubdate>
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