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Power Supplies

Discussion in 'General Electronics' started by Woodie49, Apr 17, 2014.

  1. Woodie49

    Woodie49 Journeyman
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    Looking for a 24v power supply.
     
  2. Tweakie

    Tweakie OpenBuilds Team
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    The switched mode types (cheaply available on the bay) work for me. You need to know how many Amps you require before you make your choice.

    Tweakie.
     
  3. JustinTime

    JustinTime Master
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    @Woodie49, if you are looking for one for the stepper then eBay is your friend. I got three from there. Depending on the amps you want they go somewhere between $19 to $30.
     
  4. Woodie49

    Woodie49 Journeyman
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    The Motor Controller I thinking of useing is the one 3-Axis Unipolar CNC Stepper Motor Driver / Controller 3 Amps per Phase. ebay item number 280911250280
    This power supply, 24 volt DC output Meanwell S-150-24 power suplly 6.5 amp, ebay number
    131169023214
     
  5. JustinTime

    JustinTime Master
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    @Woodie49, put links I'm too lazy to copy and paste the numbers. :ROFL::ROFL::ROFL:

    6.5A is kind of small. Is a 15A power supply that much more money?
     
  6. Woodie49

    Woodie49 Journeyman
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    Found this one for alittle more.
    24V DC 15A 360W Regulated Switching Power Supply Transformer NEW High Quality 24V DC 15A 360W Regulated Switching Power Supply Transformer
     
  7. Mark Carew

    Mark Carew OpenBuilds Team
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  8. Cleyton Alencar

    Cleyton Alencar Well-Known
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    I am sorry if I am making a beginner's mistake, but I decided to check with you guys if I am doing something wrong or if I have a problem on my power supply. I got the power supply linked above, however when i measure the output with my multi-meter, i get an unstable read that ranges from 9v to 10.5v. The power supply model is LED Power S-500-24. AC Input 110/220v +- 15% DC output 24V 21A.

    24V/20A Power Supply

    There is a dial when you can fine tune the output voltage, however I am way off to fine tune and also is unstable. Also there is a 110/220v Switch, however it is located inside the housing. The web page says that comes set to 110V by default, and I don't want to open to check since opening the housing will break the warranty seal.

    Also there is a noise when the power supply is on, witch I believe that is a cable hitting the fan.

    Here follows a link to a video showing what I am experiencing.



    Thank you in advance for the help

    Cleyton
     
  9. Mark Carew

    Mark Carew OpenBuilds Team
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    Hello Cleyton,
    Looks too me like the power supply is simply bad and is in need of replacement.
    We apologize for any delay that this may cause your build
    We have since upgraded the casings on these units to include a hole for easy access to the voltage switch and the OpenBuilds Part Store Team will be sending and new unit out to you as soon as possible.
    Thank you for your understanding and we look forward to your build :thumbsup:
     
  10. Cleyton Alencar

    Cleyton Alencar Well-Known
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    Thank you Mark. I appreciate it.
    Do I need any return label to send this power supply to you ? I saved all the boxes.
     

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