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二手工控電器
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樓主  發(fā)表于: 2018-12-24 10:14



為什么啟動(dòng)、停止、急停、極限位多喜歡用常開(kāi)？？難道除啟動(dòng)按鈕外，常開(kāi)比使用常閉安全嗎？
同樣的國外系統在我感覺(jué)就比較合理，啟動(dòng)一般用常開(kāi)，停止、急停、極限位多用常閉。這難道就是國產(chǎn)與國外保持的差距？？還是做國產(chǎn)系統的工程師腦子轉不過(guò)彎來(lái)？還停留在辦公室里沒(méi)考慮過(guò)實(shí)際情況？？

以上是個(gè)人見(jiàn)解！還請勿砸磚�。�！  
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abadguy
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1樓  發(fā)表于: 2018-12-24 16:33
我限位急停都是常閉

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