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歪歪工控
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樓主  發(fā)表于: 2015-04-19 20:39
plc:S7-200 224cn 觸摸屏:SMART LINE700,采用485通訊,通訊線(xiàn)采用多芯屏蔽線(xiàn),中間有接頭,計數用對射型光電開(kāi)關(guān),plc控制柜在滑軌上來(lái)回移動(dòng),觸摸屏在固定的柱子上,剛開(kāi)始一段時(shí)間觸摸屏計數準確,顯示正常,用一段時(shí)間后觸摸屏計數在某個(gè)時(shí)間段會(huì )出現####,過(guò)一會(huì )就好了,計數準確,求原因?
guochunyi
直讀解西門(mén)屏HMI口令 。。。
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1樓  發(fā)表于: 2015-04-19 20:46
通訊鏈接中斷,可能是通訊線(xiàn)接觸不好了。
可直讀解西門(mén)屏HMI各級帳戶(hù)口令,帳戶(hù)登錄權限提升,鎖定帳戶(hù)激活。。。
kokoper
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2樓  發(fā)表于: 2015-04-20 14:43
通訊線(xiàn)中間有接頭! 自己做的通訊線(xiàn)么?  買(mǎi)官方的吧!   而且通訊線(xiàn)來(lái)回曲折的話(huà)加個(gè)稍微硬一點(diǎn)的護套管比較好

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