CJ2 CPU Unit Software User's Manual - CIP ETI

10 CPU Unit FunctionsPower Interruption TimeThe date and time that the PLC is turned OFF are stored in the following Auxiliary Area words. Thenumber of power interruptions is also stored in the following Auxiliary Area word.Name Address DescriptionPower InterruptionTimeNumber ofPower InterruptionsA512 andA513A514Total Power ON TimeContain the time (in BCD) at which the power was interrupted. The contents areupdated every time that the power is interrupted.A512.00 to A512.07: Seconds (00 to 59)A512.08 to A512.15: Minutes (00 to 59)A513.00 to A513.07: Hour (00 to 23)A513.08 to A513.15: Day of month (01 to 31)Contains the number of times (in binary) that power has been interrupted sincethe power was first turned ON. To reset this value, overwrite the current valuewith 0000.The total amount of time that the PLC has been ON is stored in the following Auxiliary Area word.Name Address DescriptionTotal Power ONTimeA523Contains the total time (in 16-bit binary) that the PLC has been ON in 10-hourincrements. To reset this value, overwrite the current value with 0000 hex.10-1 Clock Functions1010-1-2 Times Stored in MemoryUser Program and Parameter Revision TimesThese Auxiliary Area words store the date and time that data was written to the user programs orparameters (i.e., PLC Setup, I/O tables, routing tables, or CPU Bus Unit Setups).Name Address DescriptionUser ProgramDateParameter DateA090 toA093A094 toA097These words contain in BCD the date and time that the user program was lastoverwritten.A090.00 to A090.07: Seconds (00 to 59)A090.08 to A090.15: Minutes (00 to 59)A091.00 to A091.07: Hour (00 to 23)A091.08 to A091.15: Day of month (01 to 31)A092.00 to A092.07: Month (01 to 12)A092.08 to A092.15: Year (00 to 99)A093.00 to A093.07: Day of the week (00 to 06)00: Sunday, 01: Monday, 02: Tuesday, 03: Wednesday, 04: Thursday, 05: Friday,06: SaturdayThese words contain in BCD the date and time that the parameters were lastoverwritten.A094.00 to A094.07: Seconds (00 to 59)A094.08 to A094.15: Minutes (00 to 59)A095.00 to A095.07: Hour (00 to 23)A095.08 to A095.15: Day of month (01 to 31)A096.00 to A096.07: Month (01 to 12)A096.08 to A096.15: Year (00 to 99)A097.00 to A097.07: Day of the week (00 to 06)00: Sunday, 01: Monday, 02: Tuesday, 03: Wednesday, 04: Thursday, 05: Friday,06: SaturdayCJ2 CPU Unit Software User’s Manual10-5