Omron SYSMAC CS Series Programming Manual page 161

Using Tasks
Example: Cyclic Task
) Task 0 will be in
READY status at
Cyclic task 0
the start of opera-
tion.
Other tasks will re-
Cyclic task 1
main in Disabled
status.
Cyclic task 2
Cyclic task 3
Tasks and the Execution Cycle
TKON(820)
Note At least one cyclic task must be in READY status in each cycle. If there is not
cyclic task in READY status, the Task Error Flag (A29512) will turn ON, and
the CPU Unit will stop running.
2)Task 1 will go to
READY status if A is
ON, and tasks 2 and 3
will remain on Disabled
status.
A cyclic task that is in READY status will maintain that status in subsequent
cycles.
Cyclic task 1
Cyclic task 2
Cyclic task 0
(READY status
at the start of
operation)
Cyclic task 1
Cyclic task 2
Cyclic task 3
3) Task 0 will go to
Cyclic task 0 Standby status if D
is ON.
Cyclic task 1
Other tasks will remain
in their current status.
Cyclic task 2
Cyclic task 3
READY status
Standby status/Disabled status
READY sta-
tus at the
Cyclic task 1
start of op-
eration
Cyclic task 2
READY
status
Section 4-2
Cyclic task 0
Cyclic task 1
Cyclic task 2
Cyclic task 3
READY status
READY status
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