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Operating a batch or procedure
Step control
The background color of the name/description text is white when the step is active or
requiring Operator interaction. When the background is light gray, the step is idle or
completed.
Transition control
The transition control provides feedback as to what is happening with a procedure when it is
waiting for conditions to be met in a transition in the procedure.
The following image shows an example of an active transition called Waiting for tanks to be
drained.
Transition control
The background color of the name/description text is white when the transition is active or
requiring Operator interaction. When the background is light gray, the transition is idle,
completed, or otherwise inactive.
Transition list control
The transition list control contains a set of transition controls. If there is a lot of transition
controls contained in the list, scroll buttons are provided enabling the Operator to scroll
through the controls. This control contain transitions for a procedure – you can include all the
transitions for that procedure or just the active transitions.
The following image displays a list of transitions, two of which are complete (Opening
valves) and (Draining tanks); one which is active (Closing valves); and one which is in a Pre-
exec state (Filling tanks).
Transition list control
Honeywell 2017
280
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