| author | lbessard |
| Sat, 20 Jan 2007 09:49:02 +0100 | |
| changeset 68 | 234dad27b398 |
| parent 21 | 8737e6224393 |
| permissions | -rw-r--r-- |
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Add some file for the CANfestival Absolute Rotary Encoder
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____ ____ ______ __ ___ ______ ____ |
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/ __ \ / __ \ / ____/ / |/ / / ____/ / __ \ |
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/ / / / / /_/ / / __/ / /|_/ / / __/ / / / / |
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/ /_/ / / _, _/ / /___ / / / / / /___ / /_/ / |
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\____/ /_/ |_| /_____/ /_/ /_/ /_____/ \___\_\ |
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http://www.oremeq.qc.ca/ |
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This is an absolute rotary encoder gateway to CANopen. |
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We used for this demo an absolute rotary encoder from Siemens Automation |
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model: 6FX2001-5SS12 , see the 6FX2001-5SS12.jpg for an idea of the look. |
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This Encoder work with the SSI31 protocol. The 31 mean 31 bits. And SSI |
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3499b92f792c
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is a special version of the SPI protocol. |
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The pinout for this encoder is: |
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1=Clock - |
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2=Clock + |
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3=Data + |
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4=Data - |
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5=n.c. |
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6=n.c. |
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7=n.c. |
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8= ???? |
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9=n.c. |
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10=n.c. |
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11=+10 to 30 VDC @ 250mA |
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12=GND |
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Our LPC2138 implement the SSI31 protocol to pool the encoder |
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and fill the DS-406 specification for CANopen. |
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You can find this specification at: http://www.can-cia.org/ |
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Ask for the document: CiA DS 406 V3.1: CANopen device profile for encoder |
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To build this project, see $CANFESTIVAL_HOME/drivers/ecos_lpc2138_sja1000/ReadMe.txt |
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to prepare your environment. |
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See the schematic.jpg in this directory. |
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Enjoye! |