Using relays to control lighting? Answered
I have one Banner QS18VN6LV Retro-Reflective light interruption sensor, and one Banner QS18VN6D sensor with NPN Relay outputs. How could use the set to say, power on lighting when one is interrupted and power them off when another is interrupted? What I want to do is use them in my home theater, to power on the room lighting, projector and audio equipment and lower the screen when the one at the top of the steps is interrupted, and power off the room lighting, and turn on my ambient LED lighting when the one at the bottom is interrupted. The only problem this may have, is that the retro one is always sensing something till interrupted, and the non-retro one is only sensing something when interrupted.