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沒事干,開始用社區(qū)里的資料學(xué)PLC,有個(gè)問題請(qǐng)教下各位大神 |
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點(diǎn)評(píng)
停止按鈕X2接的常閉,平時(shí)本來就是通的,按下時(shí)反而不通,運(yùn)行按鈕X1接的常開,平時(shí)是不通的,按下才通,所以根據(jù)一樓電路,啟動(dòng)時(shí)不用管停止按鈕,這和我們常見的機(jī)器操作一個(gè)理
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