Originally Posted by
CL_MotoTech
Your motors should only be powered when the e-stop is in the off state. So when they "seize" they are actually holding position as they should be, then when the e-stop pushed, the motors will lose power and turn freely.
I am having a little trouble understanding this point. I have reattached the wires from the Estop. When I connect the power to the board, one green led comes on and the motors turn freely.
When I hit the Estop both leds light up and the motors 'seize'. Is this what should happen ??
Somebody that knows more about the SC 100 USB-LPT can probably help with your connection issue, but I know USB is fairly susceptible to noise so that could be your issue.
I have individual surge protectors fitted on the units
Again, I'm not familiar with the UCCNC board, but the UCCNC license I think get's tied to your specific motion controller board, so if the original PC and License is lost you'll likely need to contact UCCNC support for help. They've been very responsive when I had questions.