<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">
qizhitianyue
級別: 探索解密
精華主題: 0
發(fā)帖數量: 67 個(gè)
工控威望: 193 點(diǎn)
下載積分: 659 分
在線(xiàn)時(shí)間: 58(小時(shí))
注冊時(shí)間: 2012-08-13
最后登錄: 2025-05-31
查看qizhitianyue的 主題 / 回貼
樓主  發(fā)表于: 2013-05-11 20:08
我們這里有一臺數控設備，在開(kāi)機后就報一個(gè)抽油泵的接觸器過(guò)載報警。但是設備并沒(méi)有運轉。
檢查接觸器下口，電動(dòng)機電壓正常，懷疑是接觸器下熱繼電器的原因。把熱繼電器拆下來(lái)發(fā)現分別測量進(jìn)出接線(xiàn)端電阻，有兩項為120Ω左右，另一項為0.不知道是否是熱繼電器的原因。
我的電氣修理經(jīng)驗很不足，不知哪位可以告訴我一下診斷思路，跪求
wjwen1234
級別: 探索解密
精華主題: 0
發(fā)帖數量: 10 個(gè)
工控威望: 127 點(diǎn)
下載積分: 1446 分
在線(xiàn)時(shí)間: 8(小時(shí))
注冊時(shí)間: 2013-03-07
最后登錄: 2020-05-17
查看wjwen1234的 主題 / 回貼
1樓  發(fā)表于: 2013-05-12 20:34
這么簡(jiǎn)單的問(wèn)題還跪求，沒(méi)水準

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">