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Testing Stepper motors

Posted by w.harris87 
Testing Stepper motors
October 10, 2013 01:03PM
I am in the process of building up my first Prusa i3.

Ive got all of my electronics, but still waiting for some printed parts to turn up, so I can complete the mechanical side of the build.

I have wired/ connected the stepper motors and drivers etc. onto the RAMPS 1.4 as shown in the wiki.

At this stage, I only have the stepper drivers and motors wired (No end stops at the moment)

I have loaded the test code onto the Arduino, and all motors work (flashing LEDs and Full rotation in both directions of motors)

I have also uploaded sprinter onto the Arduino, however when I use in conjunction with Repetier host, When I try to Jog the motors, they simply Buzz/ Vibrate.

Is there a setting i need to change in Configuration.h, or is it simply the fact that I do not have any end stops connected, which would be stopping the motors from working in the same way they do during the 'test code'

Any help much appreciated.
Re: Testing Stepper motors
October 10, 2013 11:52PM
Since your steppers work with the test code, you should open configuration.h, (in Marlin) there are 6 lines for inverting each endstop. Set the x, y & z minimum endstops to true. You may also have to turn off software endstops in nearby code. Once you've installed actual endstops you have to set invert to false. I don't recall if sprinter file is exactly the same, but the idea is, works with Reptierhost, and I recommend using Marlin.

Edited 2 time(s). Last edit at 10/10/2013 11:59PM by 3DMD.
Re: Testing Stepper motors
October 25, 2013 12:07AM
Do you have the jumpers installed? Should be three below each driver.
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