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PLC可編程控制器

歐姆龍PLC通電后程序鎖死,無(wú)法通過軟件清除

發(fā)布日期:2022-04-26 點(diǎn)擊率:404 品牌:歐姆龍_Omron

    1.故障現(xiàn)象:PLC通電后無(wú)法上傳和下載程序,用Programmer無(wú)法清除程序(報(bào)UM保護(hù))。

    2.故障原因:

    (1)程序被密碼保護(hù),用Programmer連接器輸入密碼釋放就可以清除。

    3.注意事項(xiàng):

    (1)牢記所設(shè)密碼。

    (2)忘記密碼可通過內(nèi)存盒進(jìn)行程序覆蓋。

    ①PLC斷電后,2號(hào)撥碼開關(guān)置ON,其余為OFF。

    ②取出PLC自帶的內(nèi)存蓋板,裝入帶有不帶密碼程序的內(nèi)存盒。

    ③重新通電后BKUP指示燈閃爍后常亮,同時(shí)數(shù)碼管顯示跳變后,與BKUP燈同時(shí)熄滅,只有POWER燈亮,程序覆蓋完成,斷電,取出內(nèi)存盒、裝入自帶蓋板并恢復(fù)撥碼開關(guān)。


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