Newsgroups: comp.robotics
Path: brunix!uunet!europa.eng.gtefsd.com!emory!sol.ctr.columbia.edu!spool.mu.edu!agate!iat.holonet.net!bsmall
From: bsmall@iat.holonet.net (Brad Smallridge)
Subject: Re: stepper isolation
Message-ID: <C1KvGt.16x@iat.holonet.net>
Organization: HoloNet National Internet Access BBS: 510-704-1058/modem
References: <1jk7gpINNc0d@hp-col.col.hp.com>
Date: Thu, 28 Jan 1993 19:00:27 GMT
Lines: 14

drs@col.hp.com (Don Simmons) writes:
:       Would anyone have a circuit for isolation of the 
:      signals sent to a stepper motor with optical isolators
:       with part numbers and has tried it out??
:                     don
: 
Don,
If you send me your mail address, I will send you a schematic of an
optically isolated driver I built. Tested somewhat but not completely.
It's built around the L297 and L298 integrated chips from SGS-Thompson.
Brad Smallridge
bsmall@holonet.net


