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huyou
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樓主  發(fā)表于: 2010-08-18 21:40
最近工廠(chǎng)有臺設備要改造，原先的電路是繼電器邏輯線(xiàn)路，想改成PLC加人機界面控制，原先設備的一臺油泵，是一個(gè)啟動(dòng)按鈕加一個(gè)停止按鈕控制的，這個(gè)功能想保留，另外想在觸摸屏中用一個(gè)按鈕來(lái)控制泵的啟動(dòng)和停止。
請教各位，如何實(shí)現呢？
謝謝！
[fly]忽悠，接著(zhù)忽悠……[/fly]
szzhang001
我愛(ài)工控！
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1樓  發(fā)表于: 2010-08-19 08:10
外部按鈕用PLC的輸入點(diǎn)控制，觸摸屏上按鈕用中間變量(如M）來(lái)與外部輸入點(diǎn)聯(lián)合組成控制油泵馬達PLC程序。
吾生有涯，而知無(wú)涯！三人行必有我師！
Email:   hfzwz@qq.com

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