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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > looking for 10m servo wire color identify
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  1. #1
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    looking for 10m servo wire color identify

    not sure how to word that
    i have a mill i am retrofitting and cant recall which wire color does what
    there was a great picture in google but for the life of me i cant find it again!

    there is 4 power wires and a yellow ground
    on the machine it had the 2 pairs of power wires joined at the drive
    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  2. #2
    Community Moderator Al_The_Man's Avatar
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    Re: looking for 10m servo wire color identify

    Is that " 2 pairs of power wires joined at the drive" mean 2 pairs connected together?
    Implying there is just one pair of supply conductors needed?
    What is the motor technology?
    DC? BLDC? etc.
    CNC, Mechatronics Integration and Custom Machine Design

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

  3. #3
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    Re: looking for 10m servo wire color identify

    4 power wires out of the brushed servo. 1 ground wire
    i followed them to the board and at the terminal strip they were paired with lugs.
    so i am assuming they have a basic + and - power requirement
    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  4. #4
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    Re: looking for 10m servo wire color identify





    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  5. #5

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    Re: looking for 10m servo wire color identify

    There is no standard color code for that cable. You will need to ring out the wires or open the connector at the motor end.
    Pins C/D is A1 and pins F/G is A2. Pin P is ground.
    Now A1 and A2 may need to be swapped as pairs to get rotation direction right.

  6. #6
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    Re: looking for 10m servo wire color identify

    excellent
    thanks i will give it a go.....
    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  7. #7
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    Re: looking for 10m servo wire color identify

    additionally i found this in the manual i have but it is not too clear to me

    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  8. #8
    Community Moderator Al_The_Man's Avatar
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    Re: looking for 10m servo wire color identify

    You can trace/identify continuity of each A1/A2 pairs from the MS3108 connector end.
    CNC, Mechatronics Integration and Custom Machine Design

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

  9. #9
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    Re: looking for 10m servo wire color identify

    A1 and A2, are these both just power wires to drive the servo or is one a field winding or some other magic?
    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

  10. #10
    Community Moderator Al_The_Man's Avatar
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    Re: looking for 10m servo wire color identify

    These motors were PM field. Hence per label EXCIT(ation) - PERM Magnet.
    CNC, Mechatronics Integration and Custom Machine Design

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

  11. #11
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    Re: looking for 10m servo wire color identify

    thanks
    shizuoka an-s knee mill=kflop/kanalog running nema 34 dc brushed servos
    cincinnati sabre 750=kflop/kanalog building now with ac brushless servos

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