Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 543

Auxiliary Area Allocations
Address Name
Words Bits
A099 A09900 UM Read
Protection
Status
(Single
CPU Sys-
tems only)
A09901 Task Read
Protection
Status
(Single
CPU Sys-
tems only)
A09902 Program
Write Pro-
tection
Status
when
Read Pro-
tection Is
Set (Single
CPU Sys-
tems only)
A09903 Enable/
Disable
Status for
Backing
Up the
Program
to a Mem-
ory Card
A09911 Unit
Replace-
ment with-
out a
Program-
ming
Device
Enabled
Flag
A09914 IR/DR
Operation
between
Tasks
A09915 Timer/
Counter
PV
Refresh
Mode Flag
Function
Indicates whether the entire user
program in the PLC is read-pro-
tected.
Indicates whether read protection is
set for individual tasks.
Indicates whether the program is
write-protected.
Indicates whether creating a backup
program file (.OBJ) is enabled or
disabled.
This flag is ON when the Unit
Removal without a Programming
Device or Removal/Addition of Units
without a Programming Device func-
tion has been enabled in the PLC
Setup.
Turn ON this bit to share index and
data registers between all tasks.
Turn OFF this bit to use separate
index and data registers between in
each task.
Indicates whether the CPU Unit is
storing timer/counter PV in BCD or
binary.
Settings Status
after
mode
change
0: UM not read- Retained
protected.
1: UM read-pro-
tected.
0: Tasks not Retained
read-protected.
1: Tasks read-
protected.
0: Write- Retained
enabled.
1: Write-pro-
tected.
0: Enabled Retained
1: Disabled
ON: Enabled Held
OFF: Disabled
ON: Shared Held
(default)
OFF: Indepen-
dent
0: BCD mode Held
1: Binary mode
Appendix B
Status at Timing Related
startup flags,
settings
Retained When pro- ---
tection is
set or
cleared
Retained When pro- ---
tection is
set or
cleared
Retained When pro- ---
tection is
set or
cleared
Retained When pro- ---
tection is
set or
cleared
Cleared Written ---
every
cycle.
Cleared --- ---
Held --- ---
507