The SIDOOR AT?EB expansion unit enables up to two SIDOOR controllers to be controlled separately, and the door leaves to be opened and closed according to the system requirements.

The connected SIDOOR ATD400S or ATE250 platform screen door drive can drive both single-sided and centrally opening doors.

All SIDOOR platform screen doors can be opened simultaneously via the PROFIBUS DP as soon as the train reaches its end position in the station.

Application-specific input and output signals are controlled and evaluated via the SIDOOR AT?EB expansion unit, the input and output signal states are displayed by LEDs.