Hi m_c

Thanks for replying to my post, after some research I think you are correct the DCM pin looks to have been connected to pin 14. I found the following video on Youtube

I have also linked a copy of the user manual for the VFD, if you get a chance could you confirm?

I've had a look at the UC400, this looks to be an ideal solution and also future proofs the machine, do you have any recommendations on breakout boards and PSU's I've had a look and theres quite a lot to choose from? CNCDrives BOB's don't really explain the connections very well, I'm also not sure how the VFD connects to their BOB's? I can't seem to see PSU's for sale on CNCDrive?

Thanks again.

Regards
Dougie