CJ2 CPU Unit Software User's Manual - CIP ETI

AppendicesWordsA99 00 UM Read ProtectionStatusA100toA199AddressBitsName01 Task Read ProtectionStatus02 Program WriteProtection Statuswhen ReadProtection Is Set03 Enable/DisableStatus for BackingUp the Programto aMemory Card14 IR/DR Operationbetween TasksFunctionIndicates whether the entire user program in the PLC is read-protected.OFF: UM not read-protected.ON: UM read-protected.Indicates whether read protection is set for individual tasks.OFF: Tasks not read-protected.ON: Tasks read-protected.Indicates whether the program is write-protected.OFF: Write-enabled.ON: Write-protected.Indicates whether creating a backup program file (.OBJ) isenabled or disabled.OFF: Enabled.ON: Disabled.Turn ON this bit to share index and data registers between alltasks. Turn OFF this bit to use separate index and data registersbetween in each task.OFF: IndependentON: Shared (default)--- Error Log Area When an error has occurred, the error code, error contents, anderror's time and date are stored in the Error Log Area. Informationon the 20 most recent errors can be stored.Each error record occupies 5 words; the function of these 5 wordsis as follows:First Word: Error code (bits 0 to 15)Second Word: Error contents (bits 0 to 15)Error contents:Address of Auxiliary Area word with details or 0000.Third Word: Minutes (bits 8 to 15), Seconds (bits 0 to 7)Seconds: 00 to 59, BCDMinutes: 00 to 59, BCDFourth Word: Day of month (bits 8 to 15), Hours (bits 0 to 7)Hours: 00 to 23, BCDDay of month: 01 to 31, BCDFifty Word: Year (bits 8 to 15),Month (bits 0 to 7)Year: 00 to 99, BCDMonth: 00 to 12, BCDErrors generated by FAL(006) and FALS(007) will also be storedin this Error Log.The Error Log Area can be reset from the CX-Programmer.If the Error Log Area is full (20 records) and another error occurs,the oldest record in A100 to A104 will be cleared, the other 19records will be shifted down, and the new record will be stored inA195 to A199.Statusafter modechangeStatus atstartupWrite timing/Related flags, settingsRetained Retained When protection isset or cleared------Retained Retained Refreshed whenerror occurs.A50014A300A400A-3 Auxiliary Area AppA-3-1 Read-only Area (Set by System)CJ2 CPU Unit Software User’s ManualA-107