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Author Topic: Reversed control of the CNC when i use the page up and down. Mach3  (Read 1559 times)

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Hi there, i found this forum and wow, this is a lot of information here. My name is Geir Ove, am new here, i am trying to help a friend to set up his CNC after a complete computer crash.

I have done the setup, and i can control the cnc x, y and z axes, but they are reversed, by that i mean, when using page up the cnc is going down, and the same for the arrows, my friend told me that it was not like that before the crash.

I have read a lot of docs, and been looking in the software for something that perhaps "invert" axes or something, but no luck.

Is there anyone that can please point me in a direction? Tank you 

Nice forum. Geir Ove
Re: Reversed control of the CNC when i use the page up and down. Mach3
« Reply #1 on: August 02, 2016, 11:25:46 PM »
Are you using Mach3 or Mach4?  I am running Mach3 so I'm not sure how similar it is in Mach4, but in the Config menu under "Ports and Pins" go to the Motor Outputs tab.  For each axis that is reversed, change the Dir LowActive setting opposite of what it is.  (i.e. If it is checked then uncheck it and vice-versa.)

That should do it for you.

Stephen "Highspeed" Kruse
Re: Reversed control of the CNC when i use the page up and down. Mach3
« Reply #2 on: August 04, 2016, 05:55:55 AM »
Mach 3 sir, i will try this later today, thank you for your reply

Geir Ove
Re: Reversed control of the CNC when i use the page up and down. Mach3
« Reply #3 on: August 05, 2016, 03:24:21 PM »
Worked perfect Highspeed, thank you :-)
Re: Reversed control of the CNC when i use the page up and down. Mach3
« Reply #4 on: August 05, 2016, 03:44:27 PM »
Awesome!   ;D  Glad to help.   :D