[dazp1976]

Hi,

It's called active low and is very common in industrial control hence servo manufacturers tend to use it.

Craig

I'm beginning to learn At least it was something simple and not a costly mistake.
Well. Thanks again for helping me out Craig.

Next thing is..... The box. You don't realise how big some of the equipment is until you lay it out on the base plate.
600x600 box is actually a bit small. Going to have to stack some of the components if I want it all in there to futureproof it.
Not ideal.
At least it has a decent 300mm height.

Darren.