Connecting RAMPS to big CNCrouter LPT controller ?? July 13, 2014 02:32PM |
Registered: 12 years ago Posts: 227 |
Re: Connecting RAMPS to big CNCrouter LPT controller ?? July 13, 2014 03:59PM |
Registered: 14 years ago Posts: 1,092 |
Re: Connecting RAMPS to big CNCrouter LPT controller ?? July 14, 2014 08:02AM |
Registered: 12 years ago Posts: 227 |
that is why I want to feed DIR ans STEP from RAMPS not direct to drivers but to stock LPT controller. I think logic levels LPT and RAMPS are the sameQuote
Cefiar
Should work. My local hackerspace did the same with a laser cutter after the default hardware bricked itself. It's now running a custom board but it was running RAMPS for a while.
Biggest issues driving external stepper drivers is:
1. Logic level.
That's the question.Quote
Cefiar
2. Signal pulse length out of Marlin (I think it's adjustable - external drivers tend to have optos in them, so you want to have longer pulses to accurately drive them).
Re: Connecting RAMPS to big CNCrouter LPT controller ?? November 23, 2015 07:10AM |
Registered: 10 years ago Posts: 236 |