Re: Mach3 mill stopped in the middle of a job.
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Hi Chuck, On my PMDX_125 and 126 it¡¯s possible to jumper or disable the need for the charge pump.? To remove one more variable I¡¯d disable that.? Once disabled see if the direction signals into the PMDX-122 are changing to the appropriate Gecko.? I¡¯m assuming the Gecko enable is working because you said your motors were locked. John ?
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From: [email protected] [mailto:[email protected]] On Behalf Of Chuck Kahler
Sent: January 18, 2024 12:19 PM
To: [email protected]
Subject: Re: [MachCNC] Mach3 mill stopped in the middle of a job.? I¡¯m still chasing gremlins, but I have some more information that may generate some new ideas. ? There have been a lot of inputs so far and I have addressed them with no joy.?
so here is where I am currently.
Summary:
? I have a PDMX- 122 and Gecko drivers on my Table top TAIG 4 axis milling machine. Using MACH3.? ? It¡¯s been running fine for years and then all of a sudden in the middle of a job it stopped. ? I checked the voltages for the direction pins on the XYZ axis And they each registered 3.5 V and 0.2V when checking the direction pins. Does this voltage sound correct? ? I also checked the voltage on the charge pump, and it registered the same.
although I am getting these voltages coming out of the parallel port cable, I am not getting any voltage on the PMDX ¨C 122 board itself. When I try to move an axis.?
? ? From everything I¡¯ve checked so far the problem appears to be either in the PDMX ¨C 122 board itself or some setting in MACH3 that is not set properly.? ? Is there a way I can troubleshoot this board??
I have tried the PMDX forum, but it appears to be having a problem currently.?
any additional help would be greatly appreciated,
?thanks, Chuck? ?
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