Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 559

Auxiliary Area Allocations
Address Name
Words Bits
A343 A34313 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-
ory status
is given for
the active
and
standby
CPU
A34314
Units.
A34315
Function
File Memory Operation
Flag
ON while any of the follow-
ing operations is being exe-
cuted. OFF when none of
them are being executed.
CMND instruction sending a
command to the local CPU
Unit.
FREAD/FWRIT instructions.
Program replacement using
the control bit in the Auxil-
iary Area.
Simple backup operation.
With Duplex CPU Systems
Memory Card duplex opera-
tion disabled: ON during
operation at the active CPU
Unit.
Memory Card duplex opera-
tion enabled: ON during
operation at either the active
or standby CPU Unit.
Note: Turns OFF when
operation begins.
Accessing File Data Flag
ON while file data is being
accessed.
With Duplex CPU Systems
Memory Card duplex opera-
tion disabled: ON when file
data is being accessed at
the active CPU Unit.
Memory Card duplex opera-
tion enabled: ON when file
data is being accessed at
either the active or standby
CPU Unit.
Note: Only one instruction
can be executed at a time
for the file memory. Use this
flag to control execution
exclusively.
Note: Turns OFF when
operation begins.
Memory Card Detected Flag
ON when a Memory Card has been
detected.
With Duplex CPU Systems
OFF when a Memory Card has not
been detected.
Standby write disabled: ON when a
Memory Card has been detected at
the active CPU Unit.
Standby write enabled: ON when a
Memory Card has been detected at
either CPU Unit.
Settings Status
after
mode
change
ON ON: Instruction Held
when being executed.
A341 OFF: Instruction
13 or not being exe-
A342 cuted.
13
turns
ON
ON ON: File being Held
when accessed
A341 OFF: File not
14 or being accessed
A342
14
turns
ON
ON: Memory Held
Card detected
OFF: Memory
Card not
detected
Appendix B
Status at Timing Related
startup flags,
settings
Cleared When file ---
memory
instruc-
tions are
executed
Cleared --- ---
Cleared When ---
Memory
Card is
mounted
or when
power is
turned ON
523