Appendix 2. Flag List
APP2 - 4
4) Detailed System Error and Warning Flag List (continued)
Keyword
Type
Data setting
range
Name
Description
_BAT_ER_TM
DATE &
TIME
Batter voltage drop time
The first detection date and time of battery voltage drop are written
to this flag. It will be reset if the battery voltage has been restored.
_AC_F_CNT
UINT
0 to 65535
Momentary power
failure occurrence count
The accumulated momentary power failure occurrence times during
operation in the RUN mode is written to this flag.
_AC_F_TM[n]
DATE &
TIME
n : 0 to 15
Momentary power
failure history
The times of the latest sixteen momentary power failures are written.
_ERR_HIS[n]
n : 0 to 15
Error history
The times and error codes of the latest sixteen errors are written to
this flag.
•
Stop time : DATE & TIME (8 bytes)
•
Error code : UINT (2 bytes)
_MODE_HIS[n]
n : 0 to 15
Operation mode
change history
The times, operation modes and restart modes of the latest sixteen
operation mode changes are written to this flag
•
Change time : DATE & TIME (8 bytes)
•
Operation mode : UINT (2 bytes)
•
Restart : UINT (2 bytes)
* Write is available in user programs.