2. Triggers: Defined

A trigger initiates the cycle of events at a control site. A trigger is commonly one or more configured points. When a group of points are configured to trigger a control site, they must be triggered in the correct sequence to start the cycle of events.

Example

1	Points A, B and C must trigger in sequence to send refrigerator to next region.
2	Points A, B and C. trigger in sequence starting the cycle of events at the control site.