RE: [CAD_CAM_EDM_DRO] Re: stepper driver help

At 07:28 PM 9/27/2007, you wrote:

>Note that if the 50V was left on eventually the only thing limiting the
>current through the motor would be the winding resistance and then it
>would be like having a 50V supply across a 1 ohm winding (for example)
>with 50W dissipation. Smell that magic smoke!

John, technical correction:

50 Volts across 1 Ohm is 50 Amperes or 50V X 50A = 2,500 Watts. Much
better magic smoke!


David G. LeVine
Nashua, NH 03060