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842386283
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樓主  發(fā)表于: 2011-07-28 12:45
昨天用SFC格式寫(xiě)了個(gè)步進(jìn)電機控制的小車(chē)多點(diǎn)?砍绦(因手頭上剛好有一個(gè)步進(jìn)電機,所以做了一個(gè)簡(jiǎn)陋的模型來(lái)測試.),請大家幫看下程序寫(xiě)得對不對。有錯的或不合理的請指出來(lái),本人剛學(xué)PLC不久。謝謝!
控制要求:(有A,B,C三個(gè)點(diǎn))按下啟動(dòng)按鈕,延時(shí)5秒后小車(chē)開(kāi)始向B點(diǎn)出發(fā),當到達B點(diǎn)時(shí),小車(chē)停止,延時(shí)5秒后,小車(chē)反方向行駛,重新回到A點(diǎn),又延時(shí)5秒后小車(chē)正向開(kāi)始往C點(diǎn),到達C點(diǎn)后,小車(chē)停止,延時(shí)5秒后小車(chē)又開(kāi)始反向回到A點(diǎn),如此循環(huán),但當停止按鈕按下后,小車(chē)必須執行完所有步驟后回到A點(diǎn)停止。
附件: 第一次修改的FSC小車(chē)程序測試.rar (12 K) 下載次數:256
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超級菜青蟲(chóng)
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1樓  發(fā)表于: 2011-11-11 14:49
全都是用1000的脈沖,也沒(méi)有回歸定位  。樓主可以多考慮考慮   定位準確性,全部用急停是有較多誤差的

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