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cjtdzzy
活到老,學(xué)到老
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樓主  發(fā)表于: 2024-09-07 11:12
圖片:
圖片:
有兩臺永宏P(guān)LC,一臺型號是B1-32M4T2-D24,使用中突然不能正常工作,運行燈亮,有輸入(輸入燈亮),沒(méi)輸出(輸出燈不亮),拆開(kāi)檢查,其它找不出問(wèn)題,但電池沒(méi)電,只剩下2.31V了。這種機型電池無(wú)電,是不是容易丟程序?
另一臺信號是B1-32M4T2-AC,主板完全一樣,且是同樣毛病,電池電壓為1.9V了。
仙風(fēng)道谷
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1樓  發(fā)表于: 2024-09-18 08:54
電池沒(méi)電了會(huì )掉,但2.3V是剛斷電時(shí)候測的吧,如果一個(gè)星期沒(méi)通電,直接拆開(kāi)測 2.V左右的話(huà),程序不會(huì )掉,里面電池是3V充電電池,隨著(zhù)使用年限增加,和所有充電電池特性一樣,最后都會(huì )報廢,關(guān)電1天不掉,但關(guān)電1周就會(huì )掉了,是個(gè)漸進(jìn)衰老的過(guò)程。新機型M系列的就是不掉的,沒(méi)有電池,至少你退休了程序還在,三菱的3U會(huì )掉,5U就沒(méi)有電池了,不會(huì )掉

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