wtoabcd
发表于 2006-8-2 21:57:00
周界防范中,NC,NO是什么意思?
<p>NC?</p><p>NO?</p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">REALY?</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">COM?</span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 21pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 21.0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: "Times New Roman"; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">GND?</span></span></span></p>
hongfu8
发表于 2006-8-2 23:10:00
<p>NC 是常闭端子,NO 是常开,COM 是公共端,GND 是接地, 大多探测器都有这些端子,可以选择用NC 或者 NO 加COM 来连接报警设备.不知我说的对不?</p>
yeifeng
发表于 2006-8-3 17:45:00
如楼上所说的
heying3
发表于 2006-9-13 18:40:00
<p>说得没错!</p>
cf88
发表于 2006-9-15 08:34:00
<div class="quote"><b>以下是引用<i>hongfu8</i>在2006-8-2 23:10:00的发言:</b><br/><p>NC 是常闭端子,NO 是常开,COM 是公共端,GND 是接地, 大多探测器都有这些端子,可以选择用NC 或者 NO 加COM 来连接报警设备.不知我说的对不?</p></div><p>COM是公共端,很多菜鸟不懂什么叫公共端,很多是时候也叫电源的负。</p><p>GND是接地,是接大地,就是说防雷引地线。但是很多设计的时候会搞混,大家可以这么区别,如果有COM标致或者说是公共端,那么这个就是。如果没有COM或公共端,而只有GND表示,那么GND指就是COM了!</p>
long7188
发表于 2006-9-15 17:10:00
顶。好样的。
xulei0512
发表于 2006-9-20 16:31:00
NC常闭 CLOSE/ NO OPEN
SupermanTm
发表于 2006-9-20 20:43:00
<p>NC = Native Close (自然状态下闭合)</p><p>NO = Native Open (自然状态下开路)</p>
笨笨老鸟
发表于 2006-9-22 00:39:00
<p>哈哈!精彩!</p><p></p>
tianz
发表于 2006-10-2 23:18:00
又长进了,谢谢。
远航
发表于 2006-10-4 20:50:00
wangmin0713
发表于 2006-10-14 14:20:00
<p>开始懂了</p>
gonggang955
发表于 2006-10-14 16:02:00
支持~~
humphrey
发表于 2006-10-15 14:28:00
<p>C型继电器输出的有两组型号NC,COM,NO这也是大多树对射上的输出型号,除了某些日产对射外不提供NO输出,大多数对射都有NO输出.</p>
lyq841002
发表于 2006-10-28 07:28:00
正确!!
wudihui
发表于 2006-11-1 19:54:00
<div class="quote"><b>以下是引用<i>SupermanTm</i>在2006-9-20 20:43:00的发言:</b><br/><p>NC = Native Close (自然状态下闭合)</p><p>NO = Native Open (自然状态下开路)</p></div><p>说的很好</p>
孙书伟
发表于 2006-11-3 09:37:00
<p>进步了!</p><p></p>
远望科技
发表于 2006-11-3 17:14:00
<p>完全对</p>
qwe1234gj1
发表于 2007-1-29 09:14:00
ok
鲁家华
发表于 2007-2-8 15:14:00
多谢谢了,我也明白了