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power supply for SCN5 actuators - IMPORTANT!

Discussion in 'Motor actuators and drivers' started by egoexpress, Mar 4, 2009.

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  1. bvillersjr

    bvillersjr Active Member

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    I apologize, I did not see the second page of the document. The LPS155-C claims to handle 4.5amps and offers ripple, over-volt etc.. Sure seems expensive though. Have you discovered a good deal on it?
    bvillersjr, Nov 10, 2009
    #21
  2. nical

    nical New Member

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    nical, Nov 10, 2009
    #22
  3. sn4il

    sn4il New Member

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    sn4il, Nov 10, 2009
    #23
  4. bleco

    bleco Member Gold Contributor

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    14.6A PSU

    Hi,

    I just ordered a 24V 14.6A PSU to connect my SCN5's ...

    Is it too much amps?? Does the PSU should normally provide the 4 needed amps ?

    Maybe I ordered too fast ... ?

    Thanks!

    Bleco
    bleco, Apr 26, 2010
    #24
  5. jakob

    jakob New Member

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    No problem. You may get a problem when connecting a PSU with too much volts, but you'll never get one with too much amps. A motor or light bulb which is connected to a PSU only pulls the amps it needs for maximum torque/light.

    Measure the resistance of your motor (lets say 6 ohm) and you know how much amps that motor will need. And it will never pull more amps out of a PSU.

    U/R=I -> 24V/6ohm=4amps

    Jay
    jakob, Apr 26, 2010
    #25
  6. bleco

    bleco Member Gold Contributor

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    Thx Jay!!

    Bleco
    bleco, Apr 26, 2010
    #26
  7. FlyingColander

    FlyingColander Member

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    I am looking to run 3 SNC 6s. Can anyone suggest a specific power supply? I believe these actuators draw up to 9 amps. Please bear in mind the following requirements too:

    - stabilised 24VDC
    - overvoltage protected
    - soft-start

    A European supplier would be easiest.

    What about using the 24v rail out of a computer PSU? Has this been discussed? Not the laptop black bricks of course but the ATX psu's.

    Cheers,

    Flying Colander
    FlyingColander, Mar 4, 2011
    #27
  8. Frakk

    Frakk Active Member

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    Computer PSU's don't have 24V rails. :)

    Just search ebay for 24V power supply and you will find a boatload with different amp ratings. PSU's these days will work 100V-240V around the world, the plug is the only difference.
    Frakk, Mar 4, 2011
    #28
  9. FlyingColander

    FlyingColander Member

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    FlyingColander, Mar 4, 2011
    #29
  10. azertyclub

    azertyclub New Member

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    une alimentation 24v suffit largement .
    azertyclub, Jun 15, 2015
    #30
  11. azertyclub

    azertyclub New Member

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    azertyclub, Jun 15, 2015
    #31
  12. townnet

    townnet New Member

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    Hi, i plan to get 2x scn5 150mm first, maybe 1x scn5 (traction loss) in the future. Which specs (Watts, A) power supply i should get so it can handle 3x scn5?
    townnet, Aug 2, 2015
    #32
  13. townnet

    townnet New Member

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    townnet, Aug 4, 2015
    #33
  14. SBDESIGN

    SBDESIGN some knowledge

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    My Motion Simulator:
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    I see people have already asked but can anybody help me with this...
    I have 2 x scn5 that were 2nd hand unused with power supply (cheese grater looking thing)
    After a while the green light would light up dim, and only give half power, but if unplugged and plugged back in, back to full power. Few weeks on ...and Finally the PSU doesn't light up at all.

    SO...

    On ebay.co.uk can somebody with more knowledge than me, point me to a suitable power supply.
    BUT THIS TIME: I want to power 3 x scn5's as i have had a 3rd actuator sat here for too long never used. (traction loss time)

    NOTE: the supply I have, I would have looked at the details to replace with similar, but the user before must have took the label off, so no info on it at all!

    Cheers guys, would be a huge help.
    SBDESIGN, Nov 4, 2017
    #34
  15. that_is

    that_is New Member

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    Just ordered a used MW 350W power, hope it won't destroy my SCN5s.
    that_is, Mar 13, 2018
    #35
  16. Thierry59191

    Thierry59191 New Member

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    My Motion Simulator:
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    Hello, I see that this post is old but maybe someone can answer me. I just bought a Pro Simu with two SCN 5 and I have the same laptop power supply like the first post, the seller told me that This was what Pro Simu sold him at the time (2017), do you think I should replace the power supply with a quality stabilized one?
    Thierry59191, Apr 15, 2024
    #36
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