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Help: Beginner question Homing Direction and end stops

disneytoy

Help: Beginner question Homing Direction and end stops
October 31, 2017 04:50PM

Registered: 14 years ago
Posts: 138

Hello!

I'm finishing a Prusa MK2 clone.

My end stops are (Normally open):

X = Left side
Y = Rear
Z = Inductive sensor

In Pronterface, if I hit X home, it correctly goes to the left and hits the end switch. But if I hit the Y axis HOME it goes forward.

So: X+ goes to the right
Y+ goes to the back
Z+ goes up

Any thought.

Thanks

Max

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Roberts_Clif

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 04:55PM

Registered: 8 years ago
Posts: 1,949

What firmware are you using.

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disneytoy

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 05:53PM

Registered: 14 years ago
Posts: 138

Latest Marlin.

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Roberts_Clif

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 06:21PM

Registered: 8 years ago
Posts: 1,949

Here
// Direction of endstops when homing; 1=MAX, -1=MIN
// :[-1,1]
#define X_HOME_DIR -1
#define Y_HOME_DIR -1
#define Z_HOME_DIR -1

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disneytoy

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 06:42PM

Registered: 14 years ago
Posts: 138

Looks like what I have?

/ Direction of endstops when homing; 1=MAX, -1=MIN
// :[-1,1]
#define X_HOME_DIR -1
#define Y_HOME_DIR -1
#define Z_HOME_DIR -1

When you hit Y+ it should go back? Correct? I don't want to switch the motor cable if that is okay.

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Roberts_Clif

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 08:21PM

Registered: 8 years ago
Posts: 1,949

That 's how mine Hictop Prusa i3 works.

So I you don't want to reverse the wire in the Cable only one choice.

// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
#define INVERT_X_DIR false
#define INVERT_Y_DIR true // reverse the direction here.
#define INVERT_Z_DIR false

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Dust

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 10:21PM

Admin
Registered: 15 years ago
Posts: 7,319

"Y+ goes to the back" that's not correct.

Y+ should move the bed forward

As mentioned above find "#define INVERT_Y_DIR" if its set to true make it false or if its is set to false set it to true.

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disneytoy

Re: Help: Beginner question Homing Direction and end stops
October 31, 2017 11:46PM