Patent attributes
An access control system for a plurality of door operators that are each respectively coupled to one of a plurality of doors providing an entrance to or exit from a building. A system controller monitors the status of each of the doors real time and controls the operation of each of the door operators based on the monitored status. The system controller adjusts the status of one or more door operators as a function of the determined status of one or more other door operators. Door operator commands are provided by the system controller to selected door operators to, for example, extend the opening time of one or more doors due to current activity by other door closers. The system controller is configured adjust the status of an entire group of doors or a sub-group group of doors depending on the status of the door operators.
