Re: [CAD_CAM_EDM_DRO] Slo-Syn Driver Modules

Alan Marconett KM6VV wrote:

> Hi to the list,
>
> Has anyone ever used the Superior Electric Slo-Syn SD200 Bipolar
> stepper
> motor driver modules? It looks like from reading the manual that one
> must be very careful on power up/down. 5v, then motor 40v, then
> enable;
> reverse that to power off. Looks like a hassle, and I'm trying to
> think
> of a simple way to guarantee that sequence. I have 4 that I want to
> build into a driver box. Might as well use'em.

Well, if you have big capacitors on the 5V raw supply, then you could
rig a relay
circuit that cuts off the 40 V and enable signal as soon as AC power is
lost.

Jon