Appendix 2. Flag Lists
App2-3
3) System warning flag lists
Keyword Type Bit No. Name Description
_CNF _WAR WORD
Representative
keyword
System
warning
This flag treats the below warning flags relating to continuous
operation in batch.
_RTC_ERR BOOL Bit 0
RTC data
error
This flag indicates that RTC DATA error.
_D_BCK_ER BOOL Bit 1
Data backup
error
This flag indicates
_AB_SD_ER BOOL Bit 3
Abnormal
shutdown
This flag indicates that the program had been stopped during
restore from power failure due to causes such as power off,
and then cold restart has been executed and the
continuous operation which retains the data is impossible.
Usable in the initialization program. Automatically reset when
the initialization program has finished. (The same things given
above will be applied when the program has been stopped by
the ‘ESTOP’ function)
_TASK_ERR BOOL Bit 4
Task collision
(plus cycle
and external
tasks)
This flag indicates that task collision has occurred as
execution request for a same task had been repeatedly
invoked. (Refer to the flag _TC_BMAP[n] and _TC_CNT[n])
_BAT_ERR BOOL Bit 5 Battery fault
This flag detects and indicates that the voltage of the battery,
which is used to backup user programs and data memory, is
lower than the defined value.
_ANNUN_WR BOOL Bit 6
External
device
warning
detection
This representative flag indicates that the user program has
detected an ordinary fault of external devices and has written
it to the flag _ANC_WB [n].
− −
Bit 7
− −
_HSPMT1_ER BOOL Bit 8
Communica-
tion
Parameter 1
error
This representative flag detects error of each Communication
parameter when the Communication has been enabled and
indicates that Communication cannot be executed. It will be
reset when the Communication is disabled.
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