Event Sequences for three Usecases
- Stop Elevator at Floor (Period = Ta)
- A1:@The Arrival Sensors Interface receives and process the interrupt
- A2:@The Arrival Sensors Interface sends gapproaching Floorh message to the Elevator Controller.@
- A3:@The Elevator Controller receives message and checks the Local Elevator Status & Plan object to determine whether the elevator should stop or not.
- A4: The Elevator Controller invokes gstop Motorh operation if it should stop.
- A5: The Elevator controller sends arrived message over the LAN to the Scheduler subsystem, where it is received by the Elevator Status & Plan Server.
- A6: The Elevator Status & Plan Server calls the arrived operation of the Overall Elevator Status & Plan data abstraction object.