機電課程設(shè)計x-y數(shù)控進給工作臺設(shè)計-資料下載頁
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【正文】 （五）光電編碼盤辨向電路四、程序。/自動進給調(diào)速/ORG 0000H。/*******啟動*******/MOV TMOD ,10H。選擇方式1計時SETB MOV 40H,0D4HMOV 41H,0D4HBEGIN:MOV A,40HADD A,01HMOV 40H,AMOV TL1,AMOV TH1,0FEHSETB TR1L1:JBC TF1,L2SJMP L1L2:CPL MOV A,41HSUBB A,01HMOV 41H,AMOV TH1,0FEHMOV TL1,41HSETB TR0L3:JBC TF1,L4SJMP L3L4:CPL MOV A,41HCJNE A,0BBH,L5SJMP BEGIN2L5:SJMP BEGIN。/正常運行/BEGIN2:MOV TH1,0FEHMOV TH1,0FEHMOV TL1,0EDHSETB TR1L6:JBC TF1,L7SJMP L6L7:CPL MOV TH1,0FEHMOV TL1,0BBHSETB TR1L8:JBC TF1,L9SJMP L8L9:CPL MOV TH1,0FEHMOV TL1,0EDHMOV A,R3CJNE A,02H,L10SJMP BEGIN3L10:SJMP BEGIN2。/減速，停止/BEGIN3:MOV TMOD,10HSETB MOV 40H,0EDHMOV 41H,0BBHMOV A,40HSUBB A,01HMOV 40H,AMOV TL1,AMOV TH1,0FEHSETB TR1L11:JBC TF1,L12SJMP L11L12:CPL MOV A,41HADD A,01HMOV 41H,AMOV TH1,0FEHMOV TL1,41HSETB TR0L13:JBC TF1,L14SJMP L13L14:CPL MOV A,41HCJNE A,0D4H,L15SJMP BEGIN3。/點動進給調(diào)速/ORG 0000HMOV TMOD ,10H。選擇方式1計時SETB MOV 50H,0FAHMOV A,0EDHADD A,R0。R0為加（減）速要求計數(shù)，正脈沖相應(yīng)的占空比加（減）MOV 40H,AMOV A,0FEHADDC A,00HMOV 41H,ACLR CMOV TL1,40HMOV TH1,41HSETB TR1L1:JBC TF1,L2SJMP L1L2:CPL MOV A,0BBHSUBB A,R0。R0為加（減）速要求計數(shù)，正脈沖相應(yīng)的占空比減（加)MOV 42H,AMOV A,0FEHSUBB A,00HMOV 43H,AMOV TH1,43HMOV TL1,42HSETB TR1L3:JBC TF1,L4SJMP L3L4:CPL MOV TH1,40HMOV TL1,41HMOV A,50HSUBB A,01HMOV 50H,AJNZ L5SJMP L6L5:SJMP L1L6:RET五、參考文獻1. 尤麗華主編. 測試技術(shù). 機械工業(yè)出版社, 20062. ,1999.3. 鄭堤,. 機械工業(yè)出版社4. 成大先主編 機械設(shè)計圖冊 化學(xué)工業(yè)出版社,2000，1999. 機械工業(yè)出版社7. 文懷興 夏田主編 數(shù)控機床系統(tǒng)設(shè)計 化學(xué)工業(yè)出版社,20058. 崇凱主編 機械制造技術(shù)基礎(chǔ)課程設(shè)計指南. 化學(xué)工業(yè)出版社,2006 唐可洪主編機電一體化設(shè)計基礎(chǔ). 機械工業(yè)出版社,199726
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