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zhuzhanf
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樓主  發(fā)表于: 2014-09-03 22:23
版主您好！
    

我有一臺s7-224 cpu 214-1BD22
一臺EM231 CN AI2XRTD 6ES7 231-7PB22
一個(gè)PT100熱電阻。
想做一個(gè)點(diǎn)機的控制70度時(shí)電機啟動(dòng)，50度時(shí)電機停止，80度上線(xiàn)報警，40度時(shí)下線(xiàn)報警。謝謝了，弄了好久都沒(méi)能弄明白，EM231 CN AI2XRTD的接口是A+a-B+b- ,怎么接電阻和撥碼開(kāi)關(guān)。
zhuzhanf
級別: 探索解密
精華主題: 0
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1樓  發(fā)表于: 2014-09-03 22:24
我有一臺s7-224 cpu 214-1BD22--0XB0

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