I/O Memory Allocation Section 9-3
214
Address CS/CJ-series PLC CX-Simulator
Words Bits
Name
Function Settings Function Settings
A31504 System
Work Error
Flag
(Non-fatal
Error Flag)
ON when an error has been de-
tected in the work memory for
online editing.
While this flag is ON, online ed-
iting is disabled. (CJ2-series
PLCs only)
Not used
A31512 Tag Mem-
ory Error
Flag
(Non-fatal
Error Flag)
ON when an error has occurred in
the tag memory where network
symbols are stored. (CJ2-series
PLCs only)
Not used
A315
A31515 Backup
Memory
Error Flag
ON when writing of backup data
or source/comments has been
failed. When the detected error is
cleared, this flag will turn OFF.
(CJ2-series PLCs only)
0: No error
1: Error
Not used
A330 to
A335
A33000
to
A33515
Special I/O
Unit Initial-
izing Flags
These flags are ON while the
corresponding Special I/O Unit is
initializing after its Special I/O
Unit Restart Bit (A50200 to
A50715) is turned from OFF to
ON or the power is turned ON.
The bits in these words corre-
spond to unit numbers.
0: Not ini-
tializing
1: Initializ-
ing
(Reset to 0
automati-
cally after
initializa-
tion.)
Not used.
A339
and
A340
All Maximum
Differentia-
tion Flag
Number
These words contain the maxi-
mum value of the differentiation
flag numbers being used by dif-
ferentiation instructions.
Same as
CS/CJ-series
PLC.
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