Control Techniques UD70 User Manual page 55

Breakpoints
A breakpoint is a line in a task at which point the task will stop the program
running and enter into single-stepping mode.
Breakpoints are useful for checking when a program reaches a particular
piece of code, or for checking the state of DPL variables at a particular point.
Setting a Place the cursor on the line where the breakpoint is to be set.
1
breakpoint
Click on
2
When the program execution reaches the set line, the task is halted
and single-stepping mode is started.
Note
Only one breakpoint may be set in a task at any one time.
Breakpoints and single-stepping are not possible in user
sub-routines.
Finding
Click on
1
breakpoints
breakpoint in the DPL program.
in separate
tasks
Removing Place the cursor on the line where the Breakpoint is to be removed, or
1
breakpoints use the Next breakpoint
breakpoint.
Click on the Set breakpoint
2
Using the Watch window
The Watch Watch window enables the programmer to check the logic of the
program while it is running in the
and variables.
To display the Watch
UD70
Issue code: 70nu2
(Set breakpoint Set breakpoint). The breakpoint is now active.
(Next breakpoint Next breakpoint). The cursor goes to the next
Next breakpoint button to find the line that has the
Set breakpoint button.
UD70
Watch window, click on
by reading and writing parameters
in the Task Manager toolbar.
DPL toolkit 5-13