Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: jammyatter on January 15, 2017, 10:49:01 AM

Title: bit more help please
Post by: jammyatter on January 15, 2017, 10:49:01 AM

hi there im watching the artsoft video on home limits ,
im sure my problem is co ordinates as when i move the Y axis up the table display in mach 3 its actually going in the opposite direction ,so is the x axis too but now ive actually cut that road runner  demo , still  fumbling my way through like but hey ho now im onto setting the home/limits switches. when the guy says turn em on in ports and pins and they flash in the diagnostics , mine are constantly on , i have a chinese 3040 cnc any idaes where im going wrong with all of this , if someone can help me ill be absolutely buzzing .
just wanna cut some wood haha cheers lads and lasses for the help  jim

Title: Re: bit more help please
Post by: joeaverage on January 23, 2017, 08:40:43 PM

Hi,
the two most likely explanations are:

1) Check the Active Low setting in Ports and Pins Input tab
2) That your BOB has either a pull-up or pull-down resistor such that Mach3 believes the input is active all the time.

How about a screen shot of your Inputs. Also need the manual for your BOB.

Craig