Omron CP1H CPU

640
Auxiliary Area Allocations by Address Appendix D
A94 to
A97
All Parameter
Date
These words contain in BCD the
date and time that the parameters
were last overwritten.
The format is the same as above.
--- Retained Retained --- ---
A99 A99.00 UM Read Pro-
tection Status
Indicates whether the entire user
program in the PLC is read-pro-
tected.
OFF: UM not
read-pro-
tected.
ON: UM read-
protected.
Retained Retained When pro-
tection is
set or
cleared
---
A99.01 Task Read
Protection
Status
Indicates whether read protection is
set for individual tasks.
OFF: Tasks
not read-pro-
tected.
ON: Tasks
read-pro-
tected.
Retained Retained When pro-
tection is
set or
cleared
---
A99.02 Program Write
Protection
Status when
Read Protec-
tion Is Set
Indicates whether the program is
write-protected.
OFF: Write-
enabled.
ON: Write-
protected.
Retained Retained When pro-
tection is
set or
cleared
---
A99.03 Enable/Dis-
able Status for
Backing Up
the Program
to a Memory
Cassette
Indicates whether creating a backup
program file (.OBJ) is enabled or dis-
abled.
OFF:
Enabled.
ON: Disabled.
Retained Retained When pro-
tection is
set or
cleared
---
A99.12 UM Read Pro-
tection
Release
Enable Flag
Indicates when UM read protection
cannot be released because an
incorrect password was input five
times consecutively.
OFF: Protec-
tion can be
released
ON: Protec-
tion cannot be
released
Retained Retained When
wrong
pass word
is input for
the fifth
time, when
memory is
cleared,
and two
hours after
releasing
protection
is disabled
---
A99.13 Task Read
Protection
Release
Enable Flag
Indicates when task read protection
cannot be released because an
incorrect password was input five
times consecutively.
OFF: Protec-
tion can be
released
ON: Protec-
tion cannot be
released
Retained Retained ---
A99.14 IR/DR Opera-
tion between
Tasks
Retained
ON when index and data registers
are shared between all tasks.
OFF when separate index and data
registers are being used in each
task.
OFF: Inde-
pendent
ON: Shared
(default)
Retained Retained ---
A99.15 Timer/Counter
PV Refresh
Mode Flag
Indicates whether the CPU Unit is
operating in BCD mode or binary
mode.
OFF: BCD
mode
ON: Binary
mode
Retained Retained ---
Address Name Function Settings Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words Bits