Longs 3 axis CNC kits - are they suitable for Bridgeport Series 1 conversion?

adding more detail to post 7 for any one wanting to use a BOB with opto-isolated outputs and stepper drivers with opto-isolated inputs


the problem with the BOB supplied as part of the kit is ue use of the slow PC817 opto-isolators used for the outputs


I would expect the DM860A stepper drivers would have a PC817 on the enable input and a high speed isolator like a HCPL2531 for the step and direction inputs
as used on this Tormach driver input

Attachment 25010

the diagram is from
https://www.cnczone.com/forums/torma...ml#post2107952


if I used a breakout with opto-isolated outputs then I would look for a BOB like this -

https://cnc4you.co.uk/resources/Brea...ard%20HG08.pdf

or this

http://www.electronics-lab.com/proje...r-cnc-routers/

they are just two of example found


John