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  1. #1
    http://www.mycncuk.com/threads/8421-...6783#post66783

    There's a diagram of the power supply....there are a few posts on the forum where people have put links to the actual items that they have used...I'll be looking for them myself again soon!
    Neil...

    Build log...here

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  3. #2
    Here's a picture of how mine looks, the bridge rectifier is under those wires between the terminals and the capacitor.
    Click image for larger version. 

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    And here's a typical latch circuit

    Click image for larger version. 

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    Last edited by EddyCurrent; 11-02-2015 at 07:40 PM.
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

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  5. #3
    thanks guys i'm about to put the first elec dwg. together and when it's finished you might critique it and let me know

  6. #4
    Quote Originally Posted by EddyCurrent View Post
    Here's a picture of how mine looks, the bridge rectifier is under those wires between the terminals and the capacitor.



    Nice pic. Eddy but I only see one cap!! How big is it ..Clive

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  8. #5
    Quote Originally Posted by Clive S View Post
    Nice pic. Eddy but I only see one cap!! How big is it ..Clive

    22000uF 100v
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

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  10. #6
    well here is the PSU and e stop circuit . i'm not sure if my calcs. are correct so i could do with a second opinion. i have calculated for 5 motors but i'm only using 4 to get the me up and playing . the 5 motor will be for the A axis further on up the road ( https://www.youtube.com/watch?v=EIwEh6ZmFFs) i have calculated for the lowest cap. and rectifer but will go with something with more head room. any way , feed back would be great , cheers in advance
    Attached Thumbnails Attached Thumbnails 70 V DC POWER SUPPLY-Layout1.pdf   Click image for larger version. 

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    Last edited by PAULRO; 26-03-2015 at 09:38 PM.

  11. #7
    Paulro That looks fine to me the rectifiers are usually 30 - 50 A anyway. Not sure I would switch the earth out though. ..Clive

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  13. #8
    yeah , what was i thinking? my record has 1 to many scratches!

  14. #9
    Quote Originally Posted by EddyCurrent View Post
    22000uF 100v
    Wow that's big for one cap I am using 3 to get 14100uF may I ask where you got it. ..Clive

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  16. #10
    Quote Originally Posted by Clive S View Post
    Wow that's big for one cap I am using 3 to get 14100uF may I ask where you got it. ..Clive
    http://www.rapidonline.com/electroni...apacit-50-4017
    Spelling mistakes are not intentional, I only seem to see them some time after I've posted

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