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General Mach Discussion / Re: mach 3 axis not running as DROs
« on: January 06, 2016, 05:23:10 AM »
It took a while to download the 950MB video but, as you say, it does show the problem.
Use a voltmeter to measure the voltage on any LPT parallel port Direction pin (between one of the pins 3,5,7 or 9 and one of the Pins 18-25). If the voltage is approx. 0v to 3.3v (dependant on jog direction) then it may well be a voltage issue as I mentioned in my previous post.
If the voltage is approx. 0v to 5v then it is not the parallel port voltage that is causing the problem. This will at least eliminate one possibility.
The Ref All Home button contains a script which is intended to act individually on the axes just as you describe.
In your case you have 2 pairs of axes and each pair should act together so it will mean altering the button script to perform the required action.
Tweakie.
Use a voltmeter to measure the voltage on any LPT parallel port Direction pin (between one of the pins 3,5,7 or 9 and one of the Pins 18-25). If the voltage is approx. 0v to 3.3v (dependant on jog direction) then it may well be a voltage issue as I mentioned in my previous post.
If the voltage is approx. 0v to 5v then it is not the parallel port voltage that is causing the problem. This will at least eliminate one possibility.
The Ref All Home button contains a script which is intended to act individually on the axes just as you describe.
In your case you have 2 pairs of axes and each pair should act together so it will mean altering the button script to perform the required action.
Tweakie.