Delta AH500 series, Hardware Operation Manual, Page: 449 / 681

A H 5 0 0 H a r d w a r e a n d O p e r a t i o n M a n u a l
1 0 - 4

Relation between the operating modes and the tasks
Mode Loop task Interrupt task
STOP The execution of the loop task stops.
The execution of the interrupt
task stops.
RUN

The tasks which have not been executed are in the
halt state.

If a task is active, or the instruction TKON is
executed, the task is executed.

If a task is not active, or the instruction TKOFF is
executed, the task is not executed.
If the condition of the interrupt is
met, the task is executed.

Relation between the change of the modes and the program memory
Change of the mode Non-latched area Latched area
STOP
→
RUN
Whether the data is cleared or retained
depends on user’s setting.
The data is retained.
RUN
→
STOP The data is retained. The data is retained.