Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 558

Auxiliary Area Allocations
Address Name
Words Bits
A343 A34309 File Mem-
ory Status
With
Duplex
CPU Sys-
tems,
Active
CPU Unit
File Mem-
ory Status
Note: For
duplex
Memory
Card oper-
ation
with
Duplex
CPU Sys-
tems, the
file-mem-
A34310
ory status
is given for
the active
and
standby
CPU
Units.
A34311
522
Function
Cannot Write File Flag
ON when data cannot be
written to file memory
because it is write-protected
or the data exceeds the
capacity of the file memory.
With Duplex CPU Systems
Memory Card duplex opera-
tion disabled: ON when writ-
ing is impossible at the
active CPU Unit.
Memory Card duplex opera-
tion enabled: ON when writ-
ing is impossible at the
active or at the standby
CPU Unit.
Note: Turns OFF when
operation begins or when a
file is written normally.
File Read Error Flag
ON when a file could not be
read (file is damaged or
data is corrupted).
With Duplex CPU Systems
Memory Card duplex opera-
tion disabled: ON when an
error occurs at the active
CPU Unit.
Memory Card duplex opera-
tion enabled: ON when an
error occurs at either the
active or standby CPU Unit.
Note: Turns OFF when
operation begins or when a
file is read normally.
File Missing Flag
ON when an attempt is
made to read a file that
doesn't exist or an attempt
is made to write to a file in a
directory that doesn't exist.
With Duplex CPU Systems
Memory Card duplex opera-
tion disabled: ON when an
error occurs at the active
CPU Unit.
Memory Card duplex opera-
tion enabled: ON when an
error occurs at either the
active or standby CPU Unit.
Note: Turns OFF when
operation begins or when a
file is read normally.
Settings Status
after
mode
change
ON 1: Write not pos- Held
when sible
A341 0: Normal
09 or
A342
09
turns
ON
ON 1: Read error Held
when 0: Normal
A341
10 or
A342
10
turns
ON
ON ON: Specified Held
when file or directory is
A341 missing
11 or OFF: Normal
A342
11
turns
ON
Appendix B
Status at Timing Related
startup flags,
settings
Cleared When ---
writing a
file
Cleared When ---
reading a
file
Cleared When ---
reading a
file