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slik
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樓主  發(fā)表于: 2018-08-16 22:38
   西門(mén)子s7-200 plc是否存在斷電很久(一年多,兩年)重新上電后容易出現故障的通用毛病,許久之前,兩塊224XP因設備暫時(shí)不用,停電一年多后開(kāi)機出現故障亮紅燈,STOP燈亮,運行開(kāi)關(guān)撥動(dòng)無(wú)效,使用PC通過(guò)PPI連接無(wú)法通訊,這次又兩塊222出現類(lèi)似的毛病,也是斷電了很久,現象也是一樣,記得之前還有226出現過(guò),我想200的程序應該是保存在EEPROM中的,應該是不會(huì )丟失的,不是程序丟失的毛病,況且程序丟失的話(huà),通訊應該是沒(méi)問(wèn)題的,不知大家誰(shuí)也有見(jiàn)過(guò)類(lèi)似的毛病沒(méi)有? 是電路板哪里的毛?
    記得以前碰到過(guò)很多的200的電源板的毛病,自己查資料,查看電路元件及作用等,最后把200電源板問(wèn)題的通用毛病解決了,這次又發(fā)現了這是一大類(lèi)新的問(wèn)題,不知誰(shuí)有心得,給分解下~,謝謝~   題外話(huà)說(shuō)下,西門(mén)子200的PLC質(zhì)量真是不可恭維~  不知大家的意見(jiàn)
king_jia
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1樓  發(fā)表于: 2018-08-22 15:11
是程序丟失了還是數據丟失了呢

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