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- Path: sparky!uunet!olivea!hal.com!decwrl!mips!swrinde!cs.utexas.edu!convex!convex!hattori
- From: hattori@convex.com (Mato Hattori)
- Newsgroups: comp.robotics
- Subject: Re: Trouble with stepper motor
- Keywords: stepper motor
- Message-ID: <hattori.714086375@convex.convex.com>
- Date: 17 Aug 92 21:19:35 GMT
- References: <1992Aug14.214916.4173@colorado.edu> <16kn30INNqhk@wyatt.ksu.ksu.edu> <hattori.714028866@convex.convex.com> <1992Aug17.202424.24162@colorado.edu>
- Sender: usenet@news.eng.convex.com (news access account)
- Organization: Engineering, CONVEX Computer Corp., Richardson, Tx., USA
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- Nntp-Posting-Host: magnum.convex.com
- X-Disclaimer: This message was written by a user at CONVEX Computer
- Corp. The opinions expressed are those of the user and
- not necessarily those of CONVEX.
-
- In <1992Aug17.202424.24162@colorado.edu> mathis@tigger.cs.Colorado.EDU (Don Mathis) writes:
-
- >Sorry, I should have mentioned in my original post that the motor gets
- >confused even at very slow speeds, like 2 pulses per second, so it's
- >not just that I'm pulsing it too fast. It happens anywhere from 2 to
- >200 pulses per second.
-
- Well, here is next suspect...
- How long is the wire connecting the motor with the drive circuit?
- According to my experience, motor got mad when I use 2 feet long parallel
- ribbon-like wire to connect it with drive circuit.
- I believe it has been caused by external electric noise, or drive voltage drop.
-
- I hope this can be a help.
- --
- Mato Hattori
- Convex Computer, U.S.A. email: hattori@convex.com
- 3000 Waterview Parkway office: 1+214-497-4304
- Richardson, Texas 75083 home: 1+214-424-4655
-