16-7
16 Other Functions
CP2E CPU Unit Software User’s Manual(W614)
16-2 Clock
16
16-2 Clock
The clock can be used only with the CP2E N/Sîš…îš…-type CPU Unit.
The current data is stored in the following words in the Auxiliary Area.
Additional Information
The clock cannot be used if a battery is not installed or the battery voltage is low.
When the clock stops, the clock data will be reset to 2001-01-01 01:01:01 Sunday.
z Related Auxiliary Area Bits and Words
Name Address Function
Clock data A351 to A354 The seconds, minutes, hour, day of month, month, year, and day of
week are stored each cycle.
A351.00 to A351.07 Seconds: 00 to 59 (BCD)
A351.08 to A351.15 Minutes: 00 to 59 (BCD)
A352.00 to A352.07 Hour: 00 to 23 (BCD)
A352.08 to A352.15 Day of the month: 01 to 31 (BCD)
A353.00 to A353.07 Month: 01 to 12 (BCD)
A353.08 to A353.15 Year: 00 to 99 (BCD)
A354.00 to A354.07 Day of the week:
00: Sunday, 01: Monday, 02: Tuesday, 03: Wednesday,
04: Thursday, 05: Friday, 06: Saturday
Name Address Contents
Start-up Time A510 and A511 The time at which the power was turned ON
(day of month, hour, minutes, and seconds).
Power Interruption Time A512 and A513 The time at which the power was last interrupted
(day of month, hour, minutes, and seconds).
Power ON Clock Data 1 A720 to A722 Consecutive times at which the power was turned
ON (year, month, day of month, hour, minutes, and
seconds). The times are progressively older from
number 1 to number 10.
Power ON Clock Data 2 A723 to A725
Power ON Clock Data 3 A726 to A728
Power ON Clock Data 4 A729 to A731
Power ON Clock Data 5 A732 to A734
Power ON Clock Data 6 A735 to A737
Power ON Clock Data 7 A738 to A740
Power ON Clock Data 8 A741 to A743
Power ON Clock Data 9 A744 to A746
Power ON Clock Data 10 A747 to A749
Operation Start Time A515 to A517 The time that operation started (year, month, day
of month, hour, minutes, and seconds).
Operation End Time A518 to A520 The time that operation stopped (year, month, day
of month, hour, minutes, and seconds).