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mr7569
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樓主  發(fā)表于: 2017-08-16 16:15
掃碼檢測系統會(huì )根據產(chǎn)品類(lèi)型不同發(fā)送給PLC 3個(gè)不同的開(kāi)關(guān)信號,來(lái)分類(lèi)產(chǎn)品類(lèi)型,產(chǎn)品通過(guò)傳送帶傳送,ABC傳感器檢測產(chǎn)品到達,根據不同類(lèi)型產(chǎn)品到達不同工位后,氣缸推出, 實(shí)現分類(lèi)。PLC采用S7-1200,求助編程思路,不勝感激。
wul2.4g
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1樓  發(fā)表于: 2017-08-16 17:08
在檢測識別系統位安裝一個(gè)光電,用以檢測產(chǎn)品的到來(lái)。假設從檢測點(diǎn)到A點(diǎn)產(chǎn)品要移位8次,到B點(diǎn)產(chǎn)品要移位9次,到C點(diǎn)產(chǎn)品要移10次,則檢測到產(chǎn)品是A品時(shí),將H10000000拷入移位指令的設定數據寄存器,當下一個(gè)產(chǎn)品到來(lái)時(shí)右移一位,當第九個(gè)產(chǎn)品來(lái)時(shí),產(chǎn)品剛好到A點(diǎn),這時(shí)移位指令的目標寄存器內的值等于0,使其A點(diǎn)執行器動(dòng)作輸出!B點(diǎn)產(chǎn)品類(lèi)似。將H100000000拷入。。。。。。。。

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