Rockwell Automation GMLC Reference Manual - Manual (Page 382)

Publication GMLC-5.2 - November 1999
Task Control 345
By contrast, the following diagram presents an example of incorrect
looping, and causes a runtime error that ends program execution.
Stop Current Task
Stop Current Task stops execution of the task with the Task Control block
and Stop Current Task selected.
Think of each task as a separate concurrent program. Thus, stopping a
task is equivalent to reaching the block in a diagram, when
multitasking is not enabled. If a task has been stopped via a Task Control
block with Stop Current Task selected, it cannot be resumed by a Task
Control block with Resume Task selected.
The Task Control block, with Stop Current Task selected, is like the
block, in that it has no output node.
Stopping all currently executing tasks aborts the diagram with a No Tasks
Running runtime fault (Runtime_fault = 23).
!
ATTENTION: Do not stop all currently executing tasks.
This may cause unexpected behavior which could cause
damage to machinery, application, or personal injury.