Newsgroups: comp.robotics
Path: brunix!sgiblab!swrinde!elroy.jpl.nasa.gov!ames!koriel!sh.wide!wnoc-tyo-news!nkkgw!hattori
From: hattori@csrd.nkk.co.JP (Mato Hattori)
Subject: Re: servo motor problem (Big One!)
In-Reply-To: ottomane@schenectady.ecn.purdue.edu's message of 31 Aug 93 23:11:45 GMT
Message-ID: <HATTORI.93Sep14132728@athena.csrd.nkk.co.JP>
Sender: news@nkk.co.jp
Organization: Computer System Research Dept., Elec. R. Center, NKK Corporation,
	Kawasaki, JAPAN
References: <CCnCFM.xJ@noose.ecn.purdue.edu>
Date: Tue, 14 Sep 1993 04:27:27 GMT
Lines: 29

In article <CCnCFM.xJ@noose.ecn.purdue.edu> ottomane@schenectady.ecn.purdue.edu (Michael J Ottomanelli) writes:

 |	    motor name, company, etc..
 |	    3volts 4 amps  D.C.
 |	    torque 35 ounce inch
 |	(some more words about patents and such....)
 |	 Six wires!

I suppose it is a Stepper motor, not a servo motor.

I would like to suggest to use electric tester in ohrm range to check
registance between two of six wires.  Probably you will find there are
several couples of wires which have a very low registance, less than 1
ohrm I guess, but not Zero.  Then, prepare a DC supplier which can
provide constat voltage lower than 3volts and enough current capacity
bigger than 4amps., and try to drive the wires thoes which you found a
certain registance.  If the motor was continuously driven, it is servo
motor.  If the motor was ticking every time you on-off the drive
voltage, it is stepper motor.

What I'm saying is that  "Try and Try, Don't afraid of Errors"  :-)

---

--
Mato  Hattori                      Computer System Research Department,
email : hattori@csrd.nkk.co.jp     Electronics Research Center, NKK Corporation
voice : 81+44-322-6483 (office)    1-1 Minamiwatarida Kawasaki-ku
      : 81+44-246-9665 (home)      Kawasaki-city, 210 JAPAN
