Thanks for your reply.
I will admit to not actually understanding what a PLC is but I can ask the programmer when I speak to him at work on Monday as I'm sure he will know if the machines have a PLC.
The only experience we have really had with parameter alterations and set up's is on Fanuc controls.
The main door switch does affect other things as it limits operations you can do with axis jogging and handwheel movements with the door open, we can live with that but this tool magazine access is becoming really annoying especially as our Heidenhain controls allow access to the magazines even with the main door open, and I would expect a newer machine to be more user friendly.

I will find out if they have PLC's and post back.