G540 Driving 5A - 8A Stepper - CNCzone.com-The Largest Machinist Community on the net!

Paul_P · #1 03-29-2010, 02:33 PM

Hi Chaps,

Just a quickie which may not be so straight forward.

Is there any way to power a stepper over the 3.5A rating of the G540's drivers? My X axis is approx 80Kg yet the Y and Z (and the A axis) are only about 20Kg so the G540 is good for 3 axis but not for the movement of the 80Kg gantry. I'm thinking of using a Nema 34 motor with 8Nm (1132 Oz in) of torque but they are rated at 8A/phase.

Does anyone know of a good solution for this? If the Gecko G540 could provide just one axis with more than 3.5A it would be perfect but until this is sorted I'm stuck.

Any ideas would be greatly appreciated.

Thanks all,

Paul

Andre' B · #2 03-29-2010, 03:20 PM

I was thinking the other day that it would be nice if there was a pass thru board that could be put into the 540 in place of one of the 250 drivers. You could then plug any Gecko driver into the 540.

Dylwad · #3 03-31-2010, 03:41 AM

I dont see why you couldnt use the step/direction outputs to link to a G201 or similiar with its own power supply.

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