GE PACSystems RXi User Manual
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Chapter 5. CPU Operation84 PACSystems* RXi Distributed IO Controller User Manual GFK-2816F5.7 Logic/Configuration Source and CPU Operating Mode at Power-upFlash and user memory can contain different values for the Logic/Configuration Power-upSource parameter. The following tables summarize how these settings determine thelogic/configuration source after a power cycle. CPU mode is affected by thePower-up Mode and Stop-Mode I/O Scanning parameters, and the power down mode asshown in the tables on page 85.Before Power Cycle After Power CycleLogic/ConfigurationPower-up Sourcein FlashLogic/ConfigurationPower-up Source in RAMOrigin ofLogic/Configuration CPU ModeAlways Flash Memory not preserved(i.e. no Energy Pack,or memory corrupted)Flash Refer to CPU Mode when Memory is not PreservedandPower-up Source is Flash on page 85.Always Flash No configuration in RAM,memory preservedFlash Refer to CPU Mode when Memory is Preserved onpage 85.Always Flash Always Flash FlashAlways Flash Conditional Flash FlashAlways Flash Always RAM FlashConditional Flash Memory not preserved(i.e. no Energy Pack,or memory corrupted)Flash Refer to CPU Mode when Memory is not Preservedand Power-up Source is Flash on page 85.Conditional Flash No configuration in RAM,memory preservedUses defaultlogic/configurationStop DisabledConditional Flash Always Flash RAM Refer to CPU Mode when Memory is Preserved onpage 85.Conditional Flash Conditional Flash RAMConditional Flash Always RAM RAMAlways RAM Memory not preserved(i.e. no Energy Pack,or memory is corrupted)Uses defaultlogic/configurationStop DisabledAlways RAM No configuration in RAM,memory preservedUses defaultlogic/configurationStop DisabledAlways RAM Always Flash Flash Refer to CPU Mode when Memory is Preserved onpage 85.Always RAM Conditional Flash RAMAlways RAM Always RAM RAMNo Configuration inFlashMemory not preserved(i.e. no Energy Pack,or memory is corrupted)Uses defaultlogic/configurationStop DisabledNo Configuration inFlashNo configuration in RAM,memory preservedUses defaultlogic/configurationStop DisabledNo Configuration inFlashAlways Flash RAM Refer to CPU Mode when Memory is Preserved onpage 85.No Configuration inFlashConditional Flash RAMNo Configuration inFlashAlways RAM RAM |
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