<bdo id="2fwpw"></bdo><noframes id="2fwpw"><delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><bdo id="2fwpw"></bdo><delect id="2fwpw"></delect><delect id="2fwpw"><bdo id="2fwpw"></bdo></delect><noframes id="2fwpw"><noframes id="2fwpw"><delect id="2fwpw"><delect id="2fwpw"></delect></delect><rt id="2fwpw"></rt><delect id="2fwpw"></delect><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo> <bdo id="2fwpw"><rt id="2fwpw"></rt></bdo><noframes id="2fwpw"><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo><delect id="2fwpw"><rt id="2fwpw"></rt></delect><rt id="2fwpw"><rt id="2fwpw"></rt></rt><bdo id="2fwpw"><bdo id="2fwpw"></bdo></bdo><rt id="2fwpw"></rt><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><delect id="2fwpw"><noframes id="2fwpw"><noframes id="2fwpw"> <delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><noframes id="2fwpw"><noframes id="2fwpw">
hwl666
級別: 略有小成
精華主題: 0
發(fā)帖數量: 178 個(gè)
工控威望: 258 點(diǎn)
下載積分: 2771 分
在線(xiàn)時(shí)間: 135(小時(shí))
注冊時(shí)間: 2009-12-01
最后登錄: 2025-06-03
查看hwl666的 主題 / 回貼
樓主  發(fā)表于: 2010-12-15 08:36
學(xué)了一段時(shí)間PLC，遇到了下面的問(wèn)題，突然疑惑了，感覺(jué)什么都不懂了，糾結�。�
如下圖接線(xiàn)，程序里X1的常閉觸點(diǎn)
能夠使用嗎？
njaolian
新年快樂(lè )，恭祝大家出門(mén)撿錢(qián)包。凡是撿到錢(qián)包的，分我一半，哈哈
級別: VIP會(huì )員
精華主題: 2 篇
發(fā)帖數量: 452 個(gè)
工控威望: 2333 點(diǎn)
下載積分: 1985 分
在線(xiàn)時(shí)間: 211(小時(shí))
注冊時(shí)間: 2010-11-10
最后登錄: 2025-06-06
查看njaolian的 主題 / 回貼
1樓  發(fā)表于: 2010-12-15 08:48
里面常開(kāi)，里面用常開(kāi)就是檢測外部信號，開(kāi)就開(kāi)，關(guān)就關(guān)
里面常閉，里面用常開(kāi)就是檢測外部信號，開(kāi)就關(guān)，關(guān)就開(kāi)

外面是接線(xiàn)用的，里面是用來(lái)檢測外部信號開(kāi)關(guān)條件的，別糾結了

国产精品碰碰现在自|超碰香蕉人人网99精品|人妻无码一区二区19p|久久久噜噜噜久久中文字幕|亚洲va中文字幕无码
<bdo id="2fwpw"></bdo><noframes id="2fwpw"><delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><bdo id="2fwpw"></bdo><delect id="2fwpw"></delect><delect id="2fwpw"><bdo id="2fwpw"></bdo></delect><noframes id="2fwpw"><noframes id="2fwpw"><delect id="2fwpw"><delect id="2fwpw"></delect></delect><rt id="2fwpw"></rt><delect id="2fwpw"></delect><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo> <bdo id="2fwpw"><rt id="2fwpw"></rt></bdo><noframes id="2fwpw"><bdo id="2fwpw"></bdo><bdo id="2fwpw"></bdo><delect id="2fwpw"><rt id="2fwpw"></rt></delect><rt id="2fwpw"><rt id="2fwpw"></rt></rt><bdo id="2fwpw"><bdo id="2fwpw"></bdo></bdo><rt id="2fwpw"></rt><delect id="2fwpw"></delect><noframes id="2fwpw"><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><rt id="2fwpw"></rt><delect id="2fwpw"><noframes id="2fwpw"><noframes id="2fwpw"> <delect id="2fwpw"></delect><delect id="2fwpw"></delect><noframes id="2fwpw"><delect id="2fwpw"></delect><bdo id="2fwpw"></bdo><noframes id="2fwpw"><noframes id="2fwpw">