Event Single Action Triggers

Single action triggers occur at a single predefined point in the event timeline. They typically only trigger one action. Single action triggers are defined below:

Trigger Name	Action Type	Description
Event Start	Single Action	Occurs at the scheduled event start time.
Event Stop	Single Action	Occurs at the scheduled event stop time.
Event Setup Start	Single Action	Occurs at the start of the setup period, prior to the start of event
Event Setup Stop	Single Action	Occurs at the end of the setup period. This is also the event start time.
Event Teardown Start	Single Action	Occurs at the start of the teardown period after the event has stopped. This is the same as the event stop time.
Event Teardown Stop	Single Action	Occurs at the end of the teardown period, after the event has stopped.

Single action triggers are designed to be “one-shot” commands. When the trigger point for a single action command is reached, the command is fired off without regard to the state of any other commands or equipment. Single action commands should not be used to control the occupied/unoccupied state for the room(s) assigned to the equipment. Use dual action commands for this purpose.

As an example, if one event is scheduled to overlap another in the same room (or the setup/teardown times cause inadvertent overlap, more often the case), if the equipment actions associated with that room are triggered using single action triggers, the stop command of the first event may countermand the start command of the second event, leaving the equipment in an erroneous state. For this reason, where two-state equipment objects are the target of an action, dual action triggers should be used. See section Event Timelines for further details.

Note: Single action triggers do not use the pre-start or post-stop times defined in the equipment item.

Warning: Avoid using single action triggers to control a two state equipment object. For overlapping events, the last action will always win which could put your room in an undesirable state. Use a dual action trigger for this situation.