Re: [CAD_CAM_EDM_DRO] Stepper motors only turning one direction

coldfusionracingproducts wrote:

>Here is my setup:
>
>Centent Cn0143 Microstepping drives (older geckos)
>680oz Camtronics Steppers
>24v power supply
>PC with Mach2
>
>My motors are only turning in one direction. The distance traveled
>is perfect though. When I jog 1 inch left then 1 inch right, it
>makes it 2 inches right...
>
>I measured the signals coming out of the Parallel Port and I am
>getting changes in the direction voltage.
>
>
>

Can you force the direction signal to reverse the drive, perhaps using
some AA batteries (and a resistor if it is an opto-isolator input)?

Jon