I'm not following you here, isn't the OP using the built-in astronomical clock to determine if sun is down? I don't think he's using any sort of external sensor.
Dino
On March 3, 2010 at 00:28, RTI Installer said...
How are you tying in your sensor to the XP8? contact / voltage ?
I am thinking the sate of your sensor is backwards, not the programing
