Topic: DMD0148

HALT - Halt Program or Task

The HALT Program or Task (HALT) instruction is used to programmatically stop running the specified Program or Task. This instruction is typically used by a supervisory code-block to stop the execution of another Program or Task.

The HALT Program or Task (HALT) instruction is not allowed to target $Main.

The Exit This Program (EXIT) instruction is used within a code-block to stop itself from running.

Parameters:

Note: Use the F9 key (Element Browser) or Down-Arrow key (Auto-Complete) at any time to see a complete list of the memory locations that are valid in the current field of the instruction.

Code Block - designates the Code Block (Program or Task) to be halted

See Also:

• ENTASK - Enable Task
   

• RUN - Run Program

• EXIT - Exit This Program
   

• HALT - Halt Program or Task

• RESTART - Restart Program or Task

• SUSPEND - Suspend Program or Task

• YIELD - Yield Program or Task
   

• GOTO - Go To Label

• LABEL - Program Label
   

• REBOOT - Reboot PLC

• STOP - Switch to Program Mode

• WATCHDOG - Force Watchdog Error

Related Topics:

• Using the Project Browser
   

• Overview of Programs and Tasks
   

• Using Programs Effectively

• Using Tasks Effectively

Rung Example: