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 <title><![CDATA[通讯断开变频器不受控制]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030.html]]></link>
 <description><![CDATA[Latest 50 replies of 通讯断开变频器不受控制]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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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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 <description><![CDATA[启停还是用硬接线安全]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694669.html]]></link>
 <author><![CDATA[firedphoenix]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2015 04:29:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[也可以用外部信号，强制变频器停止或者直接断电。取个PLC的输出作为PLC运行信号，信号没了，直接停变频器，保证安全。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694610.html]]></link>
 <author><![CDATA[mr、木易]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 02 Sep 2015 01:51:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同意8楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694524.html]]></link>
 <author><![CDATA[小嘿嘿]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 13:45:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[启停用外部端子控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694522.html]]></link>
 <author><![CDATA[jcx111222]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 13:40:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[启动、停止使用外部接线，参数通信写这是最安全的，
另外一般通信都会有通信中断报警的呀，通信中断，马上报警停机。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694404.html]]></link>
 <author><![CDATA[mfjsx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 05:57:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看看变频器有没有通讯中断立即停机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694394.html]]></link>
 <author><![CDATA[zz2679493]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 05:21:50 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没有给出变频器型号。这个设定不难。仔细看变频器用户手册。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694370.html]]></link>
 <author><![CDATA[lqm003]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 03:59:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用楼主360820于2015-09-01 09:47发表的 通讯断开变频器不受控制 :
一台PLC和一台变频器通讯&nbsp;&nbsp;&nbsp;&nbsp;变频器启动信号和频率给定通过通讯来控制
变频器正常运行后，PLC突然断电或者通讯线断开后，变频器将继续运行不停机
变频器不受控制时有的场合会出现撞车
有什么办法能够在plc断电后者通讯断开时 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694339.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 02:35:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼fubin739于2015-09-01 10:10发表的&nbsp;&nbsp;:
启动信号外部控制，参数用通讯写
[/quote]
正确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694329.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 02:18:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[启动信号外部控制，参数用通讯写]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694312.html]]></link>
 <author><![CDATA[fubin739]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 02:10:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[西门子变频器都有通信中断报警停机的功能，你用的是什么型号的产品，一般都会有的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1529030#1694308.html]]></link>
 <author><![CDATA[自动机器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 01 Sep 2015 01:58:03 +0000]]></pubdate>
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