ABB 800xA Operation page 95

Section 4 TCL Displays
Figure 39. Trace Steps and Variable Window
Breakpoint
Breakpoints support testing of program logic via manual program execution. When
breakpoints are enabled, the sequence is executed until the sequence reaches a line
at which a breakpoint has been set. The sequence then enters the paused state, where
it remains until either resumed or aborted. While the sequence is in the paused state,
tests can be performed and commands can be given to check the sequence logic. The
breakpoint function is enabled and disabled without disturbing breakpoints that
have been set.
Breakpoints are indicated on the Sequence Debug Display by a
symbol) to the left of the step number.
3BUR002418-600 A
Sequence Debug Program Functions
(green dot
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