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Reverse x axis

Posted by alfadex 
Reverse x axis
May 28, 2014 05:53AM
Hello, i have place endstop for x axis at the opposite side and i want to change it, but i can not find what ti change on firmware

So, i am looking reprap from this side



End stop for x axis was by wrong left. I place it right side (motor side).

But i cannot find what about programming

I uncomment //#define X_INVERT_MIN and when i sent home x axis ,it goes (slower than before) left and stops at the endstop . But,it doesn't go left from the endstop ,it goes only right and motor is forced.

What else should i change . I am using teachup

#define	X_STEP_PIN						DIO29
#define	X_DIR_PIN							DIO28
#define	X_MIN_PIN							DIO0
//#define	X_MAX_PIN			    	           DI00
//#define	X_ENABLE_PIN					xxxx
//#define	X_INVERT_DIR
//#define	X_INVERT_MIN
//#define	X_INVERT_MAX
//#define	X_INVERT_ENABLE

Edited 1 time(s). Last edit at 05/28/2014 05:54AM by alfadex.
Re: Reverse x axis
May 28, 2014 06:44AM
X_INVERT_MIN inverts the endstop...

X_INVERT_DIR changes the direction
Re: Reverse x axis
May 28, 2014 06:55AM
If i uncomment X_INVERT_DIR , i sent at ponteraface for example 10mm right ,and ti goes left. i don't want this. Directions are ok.
The problem is when i sent x axis home position, at right side, it stops there and it is at 0. But it is not going left, it still going only right

Edited 1 time(s). Last edit at 05/28/2014 06:55AM by alfadex.
Re: Reverse x axis
May 28, 2014 07:05AM
min end stop have to be X left and Y back, the way you have the machine is literally backwards

turn your machine around 180, and then make sure that x- move towards the endstop and y- moves towards the back endstop


you can do it your way and home to max if you like, but its a lot more confusing.
Re: Reverse x axis
May 28, 2014 07:51AM
Dust ,thank you very much you are right
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