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鞏盼盼
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樓主  發(fā)表于: 2016-09-13 20:13
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      設備未改動(dòng)的動(dòng)作:在流水線(xiàn)上,流水線(xiàn)速度固定,產(chǎn)品流動(dòng)間距不一樣(人工擺放)的情況下,前一工位用感應器1檢測,檢測到產(chǎn)品到,進(jìn)行動(dòng)作,當產(chǎn)品流到下一工位,感應器2檢測到產(chǎn)品,進(jìn)行下一個(gè)動(dòng)作,現在對設備進(jìn)行升級,省掉第二個(gè)感應器,用第一個(gè)感應器為基準,感應到產(chǎn)品延遲一定時(shí)間到達工位二,進(jìn)行工位二的動(dòng)作。
       改過(guò)之后的動(dòng)作要求:當感應器1感應到產(chǎn)品,延遲T1時(shí)間后到達工位二,電磁閥動(dòng)作,動(dòng)作時(shí)間為T(mén)2,但是在T1時(shí)間內,流水線(xiàn)流動(dòng),產(chǎn)品走動(dòng),感應器1感應到第二個(gè)、第三個(gè)產(chǎn)品時(shí),依舊延遲T1 時(shí)間,到達工位二,電磁閥動(dòng)作時(shí)間為T(mén)2,T2時(shí)間到一直循環(huán)。PLC是三菱的
       目前我做的程序如下:出現的問(wèn)題是在延遲時(shí)間T1未完,感應第二次、三次、四次.....,T1時(shí)間未斷開(kāi)。
                                           考慮用先進(jìn)先出指令做,但是感覺(jué)有問(wèn)題
ajd186
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1樓  發(fā)表于: 2016-09-14 06:43
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