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IndustryArena Forum > CNC Electronics > CNC Machine Related Electronics > need help for SAGEM optical encoder
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  1. #1
    Join Date
    May 2006
    Posts
    47

    need help for SAGEM optical encoder

    Hello,
    Can anybody help me to identify this encoder - how to wire and use it ?
    Here is all info and pics that i collected for it.

    If someone have the manual for it ... ...

    If needed i will make better fotos .. excuse me for the low quality of the pics.

    Text on PCB:
    Down side:
    23107544-2C/1
    398007

    4 opto diodes
    LM339AN + LM348N - IC on PCB

    15 pins to connect signals + 2 for light diodes

    58 mm diameter of case

    Text on PCB:
    Up side:
    C.I.E
    23108315-5
    23107543-9C

    Thanks in advance !

    [email protected]
    Attached Thumbnails Attached Thumbnails ENCODER.jpg  
    http://www.bg-cnc.com/wordpress/
    http://www.dailycnc.eu/

  2. #2
    Join Date
    Apr 2007
    Posts
    3

    Smile

    Hello There,
    I would be getting a datasheet for the two chips LM... and from there you can trace the power supply as stated by the data sheet back to the main conector of the PCB to show you where to connect the supply. Once you have supply on the board you should be able to find the pulsed outputs by moving the encoder while measuring the pins on the connector with a meter or even better a cro.

    I hope this helps

    Marc

  3. #3
    Join Date
    Nov 2006
    Posts
    1
    Hello:
    SAGEM is a french mark, try to search, but in possible that the wirig would be like a Baumer encoder, and manufactured by Baumer.

  4. #4
    Join Date
    Dec 2003
    Posts
    24260
    As suggested, You should be able to trace the supply wires fairly easily, the fact you have 15 connections and the amount of tracks it appears to have, indicates an encoder and with BLDC commutation tracks.
    You can use the encoder independently, if you want to use the commutation you would need to decipher the pole count it is built for.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  5. #5
    Join Date
    May 2006
    Posts
    47

    hello

    Hello,
    I tryed to found informarion but with no success
    Also the chips are powered from 2 ( 10 ) to 36 Volts ... maybe it is possible to increase the voltage and monitor the output pins but this is again problematic.
    Maybe it will be a good idea to try to capture the schematics and diskuss the pins with expirienced electronics man ...
    If someone find any info .... please share with me ..

    Thanks

    Emil
    http://www.bg-cnc.com/wordpress/
    http://www.dailycnc.eu/

  6. #6
    Join Date
    Dec 2007
    Posts
    51

    encoder

    Hi there
    I have a few of these devices, before I pulled them out I checked the power for them and to the best of my memory they require +/- 15 volt to operate. This is a bit of a pain so my plan was to take the photo diodes output into my own electronics board. There is no easy solution, It may be easer to get a known Encoder.,

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