Two-floor elevator call and direction logic
This two-floor elevator control logic diagram keeps the core dispatch rule small enough to read at a glance. A call for floor 2 commands upward travel only when the car is at floor 1 and the door is closed. The reverse condition commands downward travel. Two small AND gates detect a call for the current floor, and an OR gate turns those conditions into a door-open output.
Open it in the AI editor with a prompt pre-filled — keep what works, change what doesn't.
Scenario
A digital logic student needs a readable two-floor elevator model that connects calls and position signals to direction and door outputs.
Key decisions
- MOVE_UP requires a floor-2 call, the car at floor 1, and a closed door.
- MOVE_DOWN mirrors that logic for a floor-1 call from floor 2.
- Each door-open term requires a matching call and at-floor signal.
- A final OR gate combines the two door-open conditions.
When to reuse this
This compact combinational example is suitable for introductory control logic. Real elevators also need interlocks, position sensing, timing, fault handling, and safety-certified equipment.
Frequently asked questions
Why is DOOR_CLOSED required for movement?
What happens when the car is already at the called floor?
Does this circuit remember a call?
Tweak it with chat, export PNG/SVG, or fork it for your own use case.