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 <description><![CDATA[Latest 50 replies of 用串口助手收不到西门子200 smart 数据]]></description>
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 <description><![CDATA[最后是串口线拿错了，不是用接的3+8号端子，一直以为线接错了收不到信号的，没想到能收到0，PLC都换过2个，一顿搞 [s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]&nbsp;&nbsp;[s:28]]]></description>
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 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 01 Apr 2025 12:08:42 +0000]]></pubdate>
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 <description><![CDATA[EN直接使能就行用First脉冲控制，你这样做经常因为EN不通而通信不了]]></description>
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 <author><![CDATA[fczxjh]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Mar 2025 06:41:59 +0000]]></pubdate>
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