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 <title><![CDATA[PLC晶体管输出和继电器输出各有用在那些方 ..]]></title>
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 <description><![CDATA[Latest 50 replies of PLC晶体管输出和继电器输出各有用在那些方 ..]]></description>
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 <description><![CDATA[晶体管输出的PLC可用于频繁启停的场合，但只能使用直流电源。继电器输的PLC一般用于启停不频繁的场合，交支流电源都可以。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#298499.html]]></link>
 <author><![CDATA[chenjiankun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 31 Aug 2008 08:41:37 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[同意6楼看法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#297954.html]]></link>
 <author><![CDATA[caocaozxh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Aug 2008 12:50:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#297823.html]]></link>
 <author><![CDATA[周影]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 Aug 2008 11:14:43 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[温故而知新,又学习了一遍]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#297275.html]]></link>
 <author><![CDATA[fayahui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Aug 2008 14:34:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看用在什么场合！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#297206.html]]></link>
 <author><![CDATA[hzq866122]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 29 Aug 2008 13:29:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[晶体管只能驱动直流负载&nbsp;&nbsp;但相应快&nbsp;&nbsp;继电器可以驱动交直流负载&nbsp;&nbsp;带负载能力较好&nbsp;&nbsp;但相应慢&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#292665.html]]></link>
 <author><![CDATA[plcxt(s.m)]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 23 Aug 2008 05:17:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[负载类型不同:
晶体管只能带直流负载,负载能力有限;继电器可带直流负载和交流负载,负载能力比前者强一般为2A/P.
动作时间不同:
晶体管可输出高速脉冲信号;继电器不可.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#291645.html]]></link>
 <author><![CDATA[intel167]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Aug 2008 00:56:50 +0000]]></pubdate>
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 <description><![CDATA[[s:17]&nbsp;&nbsp;[s:17]&nbsp;&nbsp;[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#291272.html]]></link>
 <author><![CDATA[dbysgd2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 21 Aug 2008 10:24:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[晶体管，速度比较快，继电器慢的多。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#289684.html]]></link>
 <author><![CDATA[zwz579]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Aug 2008 14:14:50 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加入68449155工控联盟群来讨论把]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#289286.html]]></link>
 <author><![CDATA[yzy26]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Aug 2008 02:50:05 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[PLC晶体管输出只能仍在直流电路里，特别是在有输出没冲的电路利必须是晶体管输出型，继电器输出型支流交流都可以适应。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17001#289053.html]]></link>
 <author><![CDATA[boy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Aug 2008 14:08:17 +0000]]></pubdate>
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