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RAMPS 1.4 to big drives

Posted by ka67_72 
RAMPS 1.4 to big drives
June 25, 2017 12:27PM
I have an older home built gantry machine that hasn't been used in years. I would like to use it for large format 3dp. I used to run Mach3 but would like to use a RAMPS board to control it now. Would it be possible to get step and direction from the RAMPS to this Rutex Servo Drive ? Pin out starts on page 5.

Thanks,
Kevin
VDX
Re: RAMPS 1.4 to big drives
June 25, 2017 01:38PM
Hi Kevin,

check, if the STEP+DIR inputs are defined for +5V ...


Viktor
Re: RAMPS 1.4 to big drives
June 25, 2017 01:44PM
The drives are meant to be run off a pc printer port. The way I understand it they get +5 to the pulse and dir pins.

Thanks,
Kevin

Edited 1 time(s). Last edit at 06/25/2017 07:19PM by ka67_72.
VDX
Re: RAMPS 1.4 to big drives
June 25, 2017 11:12PM
... so shouldn't be a problem winking smiley


Viktor
Re: RAMPS 1.4 to big drives
June 26, 2017 11:16AM
I think I figured it out. I tried hooking to the drives Sat and got no result. I checked for a pulse with my graphing multimeter but dc wasn't working so I wasn't confident in the voltage readings. I brought ut to work and hooked to a scope. I was only getting 50mV with usb power. I gave it 12 volts and now I get nice 5V squares.
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