thank you for your reply.
I don't know if I would need more than one scene to be running to achieve my vision.
Let me elaborate on it:
My simplest setup would be, a wide area occupancy sensor with two contacts (NO, NC), a narrow field sensor watching the particular exhibit with one contact out(NO).
1. While there are no visitors in the hall NC pins of the occupancy sensor short the say, contact #1 of the dvc4 Gold, this triggers the master blackout scene.
2. When visitors occupy the hall NO pins of the occupancy sensor shorts and thus contact #2 on dvc4 Gold triggers another scene.
3. When a visitor comes into the close vicinity of the primary exhibit then the second sensor shorts the dvc4 Gold's contact#3 which triggers a scene which focuses on the exhibit.
4. When the visitors vacate the hall then occupancy sensor defaults to NC pins, thus triggering the master blackout again.
My critical question is; does dvc4 Gold explicitly require a momentary contact or could it work with a shorted contact for long periods of time then the hall is empty? Would having a shorted contact input for long durations be harmful for the device? If so, I would need an intermediate circuit to trigger the controller in momentary fashion.