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- Newsgroups: comp.robotics
- Path: sparky!uunet!cs.utexas.edu!asuvax!ennews!mcdphx!schuch
- From: schuch@phx.mcd.mot.com (John Schuch)
- Subject: Re: Help needed - Optical Encoders
- Message-ID: <1993Jan24.005931.11981@phx.mcd.mot.com>
- Sender: news@phx.mcd.mot.com
- Nntp-Posting-Host: bopper2.phx.mcd.mot.com
- Organization: Motorola Computer Group, Tempe, Az.
- References: <8912@news.duke.edu> <1993Jan22.221233.650@isrc.sandia.gov>
- Date: Sun, 24 Jan 1993 00:59:31 GMT
- Lines: 28
-
- In article <1993Jan22.221233.650@isrc.sandia.gov> bryan@isrc.sandia.gov (Jon R Bryan) writes:
- >ska@hercules.acpub.duke.edu writes:
- >: Each motor has a built-in "AB quadrature output and zero index channel"
- >: type optical encoder. These encoders output voltages in the range 0.5 to
- >: 6 V DC via 4 leads - A, B, I, and ground.
- >:
- >: Now, how can I use the voltages from the encoders to compute joint positions ?
- >
- >Get the Monolithic Memories "PAL/PLE Device Programmable Logic Array
- >Handbook." There are three shaft encoder designs that will explain
- >quadrature decoding to you (if you can decipher the PALASM code).
- >
-
- or get the Hewlett Packard Opto Electronics databook for a couple
- of single chip solutions. Or get the Oak-Grigsby optical encoder/
- switch booklet for a couple of examples using simple gates.
-
- Write me if you want more details, I can look it up Monday.
-
- John
-
-
-
- --
- +--------------------------------------------------------------------------+
- | John R. Schuch - Motorola Computer Group - Manufacturing Engineering |
- | N7XVS - schuch@phx.mcd.mot.com - (602) 438-3008 - CompuServe: 70733.3330 |
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