Advice needed for controller box layout

[cncJim]

My preference would be to have all parts in the case and not mounted to the door - Is there enough room to mount the powers supply on its side? Might give more room/options?

http://literature.rockwellautomation...m001_-en-p.pdf
This document makes an interesting read if you want to focus on handling electrical noise in a system (thanks EddyCurrent!)

Jim