Sharnoa 4 axis retrofit - Page 2

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Thread: Sharnoa 4 axis retrofit

  1. #13
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    Will it hurt anything to wind the wires together that go from the BOB to the vipers?
    Thanks
    i_r_



  2. #14
    Registered keithmech's Avatar
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    no



  3. #15
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    I need the tools to put the pins in the connections, also the crippers. What are they called?
    thanks
    i_r_



  4. #16
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    Crimpers are on the last page of the instalation guide. Got those in and wired the boards. I'm on the limit and home wiring now. Can I run a jumper wire between all the grounds coming off of the bob and just have one ground wire?
    thanks
    i_r_



  5. #17
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    Keith,
    Were you able to just plug your encoders in, or did you have to re-wire them? Is there an industry standard on pin/wire locations for encoders?
    i_r_



  6. #18
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    Stumped again.
    Renco encoder C74506-1000 has an 8 pin connector. Brown,Red(+5v),Black(gnd),Green(?),White(?),Orange(index),Blue(B+),Yellow(A+).
    I've looked through all of Renco's drawing and have not found these three colors.
    Do I haveto have an ocsilloscope to find out what these are?
    thanks
    i_r_machinist



  7. #19
    Community Moderator Al_The_Man's Avatar
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    If this is a straight differential type, no commutation tracks, Renco colour code is usually:
    RED +5v
    BLK Common
    WHITE A
    YELLOW /A
    GREEN B
    BLUE /B
    ORANGE Z
    BROWN /Z
    Generally Renco use RED & BLK for power, so in this case as long as you have those two right, you cannot damage anything.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

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


  8. #20
    Registered keithmech's Avatar
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    I used heidenhain encoders .I also connected them to the
    9 pin connector that connects to the Viper .Then tested
    with 24 vdc on the motor to get it spinning and oscilliscope
    to test the signals.I did this with the motors on the bench.



  9. #21
    Community Moderator Al_The_Man's Avatar
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    Here's the Renco PDF, see the CA18 cable.
    Al.

    Attached Thumbnails Attached Thumbnails Sharnoa 4 axis retrofit-wirecolour-pdf  
    CNC, Mechatronics Integration and Custom Machine Design

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


  10. #22
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    Thanks!
    I had to re-wire all of the encoders. I soldered the encoders wires to the corresponding wires that lead to the control. It was a helter-skelter color mix-match, but now the green wire for the encoder is the green wire at the 9pin connecter.
    i_r_



  11. #23
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    Unhappy

    Two steps Forward, One step Back.
    It took great effort, but I managed to drop a screw into my y servo. I took the cap off of the dynapar E15 encoder to remove it to pull the cap off of the servo. Retrieved the screw and replaced the encoder. Thats when I noticed that the Red and Black wires had broken off of the board at the solder. I can't tell where each wire went.
    Worst case, I have a 50-50 chance of getting them back in the right place. I'll put a call into Dynapar monday to see I they can tell me which way the wires go.
    have fun
    i_r_machinist



  12. #24
    Community Moderator Al_The_Man's Avatar
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    One possible way is to identify any IC and look up the data sheet on it and check continuity from the IC +5 pin to either of the broken wire points, same with the IC common, this is a fairly conclusive way.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

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


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