(snip)
To fix add another arithmetic combinator that does each + 0 output each, plugin in the tile XY, and then connect to the final decider so the top line also has 3 steps.
Aah! Duh - there you go. I shall endeavor to give this a shot. That's what I get for trying to optimize Nilaus' setup ...

Is it just me, or are the X/Y coords not correct?

This is my first time using this mod, I followed the video tutorial for setting up the Tile Scanner to a Zone Controller to automatically zone ore, but when Zone Controller sets a zone position, it seems to be a random X/Y within the set distance ...