Delta Electronics AH500 Operation Manual page 344

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