Power Interruption Time; Total Power On Time - Omron CJ2 CPU - REV 10-2010 User Manual

Power Interruption Time

The date and time that the PLC is turned OFF are stored in the following Auxiliary Area words. The
number of power interruptions is also stored in the following Auxiliary Area word.
Name
Power Interrup-
tion Time
Number of
Power Interrup-
tions

Total Power ON Time

The total amount of time that the PLC has been ON is stored in the following Auxiliary Area word.
Name
Total Power ON
Time
User Program and Parameter Revision Times
These Auxiliary Area words store the date and time that data was written to the user programs or
parameters (i.e., PLC Setup, I/O tables, routing tables, or CPU Bus Unit Setups).
Name
User Program
Date
Parameter Date
CJ2 CPU Unit Software User's Manual
Address
A512 and Contain the time (in BCD) at which the power was interrupted. The contents are
A513 updated 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)
A514 Contains the number of times (in binary) that power has been interrupted since
the power was first turned ON. To reset this value, overwrite the current value
with 0000.
Address
A523 Contains the total time (in 16-bit binary) that the PLC has been ON in 10-hour
increments. To reset this value, overwrite the current value with 0000 hex.
Address
A090 to These words contain in BCD the date and time that the user program was last
A093 overwritten.
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: Saturday
A094 to These words contain in BCD the date and time that the parameters were last
A097 overwritten.
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: Saturday
10 CPU Unit Functions
Description
Description
Description
10
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