ABB 800xA Operation page 94

Sequence Debug Program Functions
To modify a variable, select the variable in the Trace Variables list and Enter the new
value in the text entry field. To delete a variable, select the variable in the Trace
Variables list and then click on the Delete button. To delete all variables, click on the
Delete All button.
Click on the Close button to close the Trace Window.
Click on the Cancel button to deselect a chosen variable, and click on the Close
button to close the Trace Variable Window.
Trace variables can be created or modified while a sequence is in AUTO mode. This
creates a trace variable record in the controller; however, the trace variable record is
not applied to the sequence at this time. Trace variable changes are applied to a
sequence only when the sequence is in MANUAL mode and tracing is enabled. Any
latent (not yet applied) trace variable records are applied when a sequence
transitions from AUTO to MANUAL mode (with tracing enabled). Trace variable
records can be displayed from any Trace window. For example, you could go over to
a different Sequence Debug and see the trace variable not yet applied.
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Section 4 TCL Displays
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