Re: [CAD_CAM_EDM_DRO] Ways to convert step/direction signals to +/-10V analog

Randy,

Just a thought, but RS232 Level shifters (1488/1489) are used to convert
to/from +- 12v signals. Try driving the appropriate part with +- 10v
supplies, and a TEL input could give you +- 10 v. out.

Alan

cnc002@... wrote:

>
> Hello group:
>
> I am looking for a relatively inexpensive way to convert step/direction
> signals from a PC parallel port to the +/- 10Vdc analog needed to control a
> servor motor amplifier. I know that Gecko drives has a servo driver that
> will do this and I have a couple ordered. The scenario I have is this: The
> machines already have the servo amplifiers and motors on them and the motors
> are much larger than the maximum allowed by the Gecko drives. There is a PC
> system with a G-code interpreter on it that outputs step/direction signals
> via the printer port, I need to use this to drive the servos.
>
> Any help will be appreciated. I hate to purchase all new amplifiers that
> will accept the step/direction signals if there is another, less expensive
> way to do this.
>
> Randy A.
>
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@egroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@egroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@egroups.com
> List owner: CAD_CAM_EDM_DRO-owner@egroups.com, wanliker@...
> Moderator: jmelson@... [Moderator]
> URL to this page: http://www.egroups.com/group/CAD_CAM_EDM_DRO
> FAQ: http://www.ktmarketing.com/faq.html
> bill,
> List Manager