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Messages - gently101

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1
Quick update.

I bought a new motor driver CW5045 to try. It runs perfectly at less than half the price of a g250x. Problem solved but I still don't know why the 2 new gecko modules were not working. My advice is to avoid the pain, stress and tears and get something else.

Thanks so much Tweakie.CNC.

2
Or the pulses coming out of the g251x board?

3
Are there any MACH3 settings I'm missing?
The g251x should work ... it is powered up and delivering 2A which is the rating of the stepping motor.
Can I record somehow the step pulses coming out of my computer to see if MACH is outputting the same number of steps for each direction? I don't have an oscilloscope, nor will I buy one.

4
Hi tweekie,
Thanks so much for your input.
I've did have it loose, but same behaviour bolted down.

5
I've replaced the g251x with same results!

6
Hi,
Checked wiring and replaced stepper motor.
In one direction, approx. half the steps are lost.
Exactly the same behaviour persists with both smoothstepper ESS and direct-to-computer parallel port lead. I have grounded both at the point where the dir and step are led into the g251x module. No long leads anywhere.
Any further suggestions really appreciated!

7
Yes. Applying step low state leads to continuous spinning in one direction and nothing in the other direction. Does that hold clues?

8
Hi,
At the very end of my teether.
I'm running mach3 using a gecko g251x board. Just the stepper motor is hooked up (it is free turning in both directions). In one direction, it runs smoothly and perfectly. In the other direction, it loses steps and vibrates but still turns. I've tried change every setting in Mach3 to no effect. Number of steps, velocity, acceleration, pulse width, basically everything checked. The driver test says the computer is good.
Any ideas hugely gratefully received. I've got paid projects mounting up with a direct correlation with stress levels.
Thanks.

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