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Thanks Arturo,

I'll go ahead and order a new board. I tested the voltage on the E-stop and either the polarity is reversed or the terminal is mislabeled since I get -12V when putting the positive...

Arturo,

Actually, the inputs for the limit switches still work; i.e., they trigger a reset on the Mach 3 screen. The home switches of course don't work since they require a command to the drivers...

Well I finally got the C62 board wired, configured and working last Saturday. I ended up configuring the inputs as 5V, Common=ground and I set up the SCHP with Port 2, Pin 17 enabled and the dip...

Thanks to both of you for your advice. Now another related question. What's the difference between a regulated and unregulated power supply given the same voltage and amperage rating and how would...

I am trying to figure out the power supply I will need to run four identical stepper motors in bipolar parallel mode. The amp rating/phase of a single motor is 5 amps when used in bipolar parallel...

Well I isolated the problem. I ordered a long enough timing belt to run both axes from one motor. It arrived today, I hooked it up and no problem! I can run the gantry back and forth at 100in/min...

No, both motors have the same rotation because the gantry will move back and forth. It's just very erratic. It might move smoothly for 12 inches and then either stall suddenly or start vibrating...

I'm in the process of rebuilding my table top 24" x 36" router that I purchased a year and a half ago from a company which will remain unnamed. The design has two driven screws, one on each side of...