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zzxxww520
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樓主  發(fā)表于: 2011-06-28 20:26
現有一臺機器用S7-300  CPU315-2DP 通過(guò)DP通訊控制變頻器,現我自己加了一個(gè)變頻器,想和以前的變頻器速度一樣,我將元變頻器的速度反饋值讀出來(lái)(0-16384)想用FC106轉換后用模擬量模塊輸出,在給新加的變頻器速度,為什么調用FC106后輸出為0,模擬仿真時(shí)是正常的,模塊沒(méi)有問(wèn)題,求教高手指教,還是要用PID FB41控制啊,
[ 此帖被zzxxww520在2011-06-28 21:04重新編輯 ]
kyy80
態(tài)度決定一切``````
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1樓  發(fā)表于: 2011-07-16 09:07
就在原來(lái)的變頻器上取運轉指令和頻率指令就行了。。。。方便。。
dahairhj
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2樓  發(fā)表于: 2011-07-16 18:46
研究一下變頻器本身是否有同步功能

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