如果系統(tǒng)確認應(yīng)用程序RAM已保存,則會檢查某-個位緩存區(qū)域,以確認該區(qū)域數(shù)據(jù)是否已保存。如著測試通過,位緩存保持上電值(停止模式轉(zhuǎn)為上電模式時,非保持型輸出清0)。如果檢測不正確,或者RAM沒有保存數(shù)據(jù),則認為位緩存出錯并將其清空。CPU這時被清空,和一個新的CPU模塊剛安裝上一樣。所有的邏輯和配置文件必.須重新從編程器下裝到CPU.
ATLAS COPCO 4240-0366-82 USPP 4240036682
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YOKOGAWA 437004 NSFP 437004
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