Re: [CAD_CAM_EDM_DRO] Chopper max voltage?

If there are those that want to build their own 3 axis 2A drivers using the
L297/L298 I have a board available now. It is a commercially made double
side, plated through holes, solder masked and silk-screened. See my web page
at www.seanet.com/~dmauch
Dan

-----Original Message-----
From: Alan Marconett KM6VV <KM6VV@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Wednesday, October 04, 2000 12:43 PM
Subject: Re: [CAD_CAM_EDM_DRO] Chopper max voltage?

>Henrik,
>
>Sounds great! Hey, maybe we should get boards made up as a "LIST"
>project? I know, let's ask Jon!
>
>Alan
>
>PS, WELCOME TO THE LIST!
>
>
>Henrik Olsson wrote:
>>
>> Hello!
>>
>> I believe this is my first post to this group, and that depends on that I

haven't been able to give any help since I'm not very experienced at CNC
yet.

>> However I'm in the process of building a small a CNC Mill to do PCB's and

other small stuff. And for this reason I've designed a driver using the
L297/L298 IC's (based on the datasheets).

>> The driver uses automatic current reduction and you can adjust both the

idle and run currents. It have inputs for step, dir, sync, and stand by (all
windings off).

>> I have schematics (in .JPG) and PCB Layout (in EAGLE-format). I will be

happy to send it to you (or anybody else) if you want it.

>> Please note that this driver is made for my personal use and not for

production. Therefor I haven't made any extensive testing and the layout of
the board may not be the most optimal. BUT it works pretty good.

>>
>> If you just want simple a schematic for a driver, download the datasheet

for the L297 and 298.

>>
>> Regards.
>> Henrik Olsson. Sweden.
>>
>> henrik-olsson@...
>
>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
>
>