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Wow, that's amazing. Did each of the eight heads move on the X-axis independently? I wish you could help me; I think I bit more than I can chew. I downloaded your files, and I feel lost. I am trying to retrofit this bystronic dual head water jet, it looks like a mess. I have all the axis moving, but I can't get the XHC-WHB04B-6 to work. I have not picked a GUI yet, and I  have no clue of how to modify  one , it sounds easy reading about things but doing it seem to be another issue, I just really need help  

Yes, I have looked in there and I only see max spindle override and max feed override. I do not see max velocity override or max rapid override. Not in my .ini file or any of the qtdragon .ini's. Maybe I should try and add those? Like MAX_VELOCITY_OVERRIDE =x.x and MAX_RAPID_OVERRIDE =x.x ?

Edit: And I just tried it, no change. Adding those into display with the feed and spindle did nothing.

Murphy wrote:

Thanks Cakeslob, I forgot your using the stm32 :/ the code in the hal file is the same for 0-10v and PWM ? Just the gain determines the difference?
In my VFD there is an option for 0-10v, 0-5v and external digital signal. Is it 0-5v or digital signal for PWM ?
@scotta , any ideas why it's doing this?

the gain thing was my mistake, they are both the same. remora outputs pwm, and if your hardware has a 0-10v, it will convert it to analog with the op-amp hardware circuit. digital signal might be referring to PWM

Those drives can not do more than 3-3.5A, but that might still not be the issue, i doubt the new motors are of very high inductance, so can you measure the resistance between the windings?
The old motor, is it unipolar or bipolar? How many wires does it have?
If 5 wires = do not use with new drives
If 4 or 6 or 8, try to use it with the new drives, just mind the windings.

Those should be in the ini file, the DISPLAY and TRAJ sections.

hey spyder, the y axis is the one you want to copy, that sounds like the proper one. , so after it homes, i think home offset is where it goes after homing. if you set the home offset to be off the switch, it should be able to home the next one. observe how and where your y axis is going, and copy it to the other axis, it will involve inverting these numbers to be negative or positive. refer to the manual for verification of which direction does what.