623
Auxiliary Area Appendix C
A514 Number of
Power Inter-
ruptions
Contains the number of times that
power has been interrupted since the
power was first turned ON. The data
is stored in binary. To reset this
value, overwrite the current value
with 0000.
(This word is not cleared at start-up,
but it is cleared when the Memory
Corruption Detected Flag (A39511)
goes ON.)
0000 to FFFF
hexadecimal
Retained Retained Refreshed when
power is turned ON.
A39511
A515 to
A517
Operation
Start Time
The time that operation started as a
result of changing the operating
mode to RUN or MONITOR mode is
stored here in BCD.
A51500 to A51507: Seconds (00 to
59)
A51508 to A51515: Minutes (00 to
59)
A51600 to A51607: Hour (00 to 23)
A51608 to A51615: Day of month (01
to 31)
A51700 to A51707: Month (01 to 12)
A51708 to A51715: Year (00 to 99)
Note: The previous start time is
stored after turning ON the power
supply until operation is started.
See at left. Retained Retained See at left.
Not supported by
CJ1@-CPU@@ CPU
Units
A518 to
A520
Operation
End Time
The time that operation stopped as a
result of changing the operating
mode to PROGRAM mode is stored
here in BCD.
A51800 to A51807: Seconds (00 to
59)
A51808 to A51815: Minutes (01 to
59)
A51900 to A51907: Hour (00 to 23)
A51908 to A51915: Day of month (01
to 31)
A52000 to A52007: Month (01 to 12)
A52008 to A52015: Year (00 to 99)
Note: If an error occurs in operation,
the time of the error will be stored. If
the operating mode is then changed
to PROGRAM mode, the time that
PROGRAM mode was entered will
be stored.
See at left. Retained Retained See at left.
Not supported by
CJ1@-CPU@@ CPU
Units.
A523 Total Power
ON Time
Contains the total time that the PLC
has been on in 10-hour units. The
data is stored in binary and it is
updated every 10 hours. To reset this
value, overwrite the current value
with 0000.
(This word is not cleared at start-up,
but it is cleared to 0000 when the
Memory Corruption Detected Flag
(A39511) goes ON.)
0000 to FFFF
hexadecimal
Retained Retained ---
A526 A52600 RS-232C
Port Restart
Bit
Turn this bit ON to restart the RS-
232C port. (Do not use this bit when
the port is operating in Peripheral
Bus Mode.)
This bit is turned OFF automatically
when the restart processing is com-
pleted.
0 to 1: Restart Retained Cleared ---
A52601 Peripheral
Port Restart
Bit
Turn this bit ON to restart the periph-
eral port.
This bit is turned OFF automatically
when the restart processing is com-
pleted.
0 to1: Restart Retained Cleared ---
Addresses Name Function Settings Status
after
mode
change
Status at
startup
Write timing/
Related Flags,
Settings
Word Bit
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