Auxiliary Area Allocations - Omron SYSMAC CS1D-PD Series Operation Manual

The tables list the functions of Auxiliary Area words and bits in order of their addresses. For a list of Auxiliary
Area words and bit by function, refer to SECTION 8 Memory Areas.
The Auxiliary Area consists of read-only words A000 to A447 and read/write words A448 to A959.
Read-only Words
The following words and bits are written by the system to provide information on PLC operation.
Address Name
Words Bits
A000 10-ms
Increment-
ing Free
Running
Timer
(Sup-
ported in
unit ver-
sion 4.0 or
later)
A001 100-ms
Increment-
ing Free
Running
Timer
(Sup-
ported in
unit ver-
sion 4.0 or
later)
A002 1-s Incre-
menting
Free Run-
ning Timer
(Sup-
ported in
unit ver-
sion 4.0 or
later)
Appendix B

Auxiliary Area Allocations

Function
This word contains the system timer used
after the power is turned ON.
0000 hex is set when the power is turned
ON and this value is automatically incre-
mented by 1 every 10 ms. The value
returns to 0000 hex after reaching FFFF
hex (655,350 ms), and then continues to
be automatically incremented by 1 every
10 ms.
Note: The timer will continue to be incre-
mented when the operating mode is
switched to RUN mode.
Example: The interval can be counted
between processing A and pro-
cessing B without requiring
timer instructions. This is
achieved by calculating the dif-
ference between the value in
A000 for processing A and the
value in A000 for processing B.
The interval is counted in 10 ms
units.
This word contains the system timer used
after the power is turned ON.
0000 hex is set when the power is turned
ON and this value is automatically incre-
mented by 1 every 100 ms. The value
returns to 0000 hex after reaching FFFF
hex (655,350 ms), and then continues to
be automatically incremented by 1 every
10 ms.
Note: The timer will continue to be incre-
mented when the operating mode is
switched to RUN mode.
This word contains a system timer used
after the power is turned ON
0000 hex is set when the power is turned
ON and this value is automatically incre-
mented by 1 every 1 s. The value returns
to 0000 hex after reaching FFFF hex
(65,535 s), and then continues to be auto-
matically incremented by 1 every 1 s.
Note: The timer will continue to be incre-
mented when the operating mode is
switched to RUN mode.
Settings Status Status
after at
mode startup
change
Held Cleared Every 10
Held Cleared Every 100
Held Cleared Every 1 s
Timing Related
flags,
settings
ms after
the power
is turned
ON
ms after
the power
is turned
ON
after the
power is
turned ON
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