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[Solved] How to correctly connect the backlit switch to the power supply?

paawelx 16065 10
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  • #1 16699067
    paawelx
    Level 18  
    Hello,

    I have a power supply with outputs as in the picture and a rocker switch with 12V backlight. The power supply outputs 12V.

    How to correctly connect the backlit switch to the power supply? How to correctly connect the backlit switch to the power supply?

    I wanted to connect 2 switches with backlight to the power supply. 1 to turn on the power supply and 2 to run the fans. Please write if I'm doing it correctly.

    1. Start-up switch: connect pins from the power supply (Connect to start PSU) to the left and middle contact of the switch and attach 12V (any +) from the power supply to the right-hand contact (in a different color) of the switch.

    2. Switch to run the fans: connect the pin from the power supply (connect to start fans) to the left contact of the switch, 12V from the power supply to the middle pin of the switch and 12V (same?) To the right contact of the switch (in a different color).

    Am I doing it correctly and the switch will glow after connecting?
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  • #2 16699785
    service2006
    Level 12  
    you will probably need to bridge the pin at the switch

    Added after 50 [seconds]:

    cross it with a meter
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  • #3 16700162
    paawelx
    Level 18  
    The switch lights up when it is 12V on the extreme right pin and I will hook him in the middle pin mass. The two left pins are 0-1. If one pin will be pinned from the power supply, to the other 12V (to start the fans), to the extreme right 12V for backlighting, how do I still have the mass attached?
  • #4 16700223
    service2006
    Level 12  
    In that case, the switch must be on the ground

    Added after 37 [second]:

    In that case, the switch must be on the ground
  • #5 16700709
    paawelx
    Level 18  
    Do I have to bridge the mass with 12V? After all, the power supply will have a short circuit as I will podepnę.
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  • Helpful post
    #6 16703146
    service2006
    Level 12  
    How to correctly connect the backlit switch to the power supply?

    This is how it should look
  • #7 16703323
    bogi
    Level 29  
    And you managed to run the power supply without working fans? After a few seconds of operation without fans, it should turn off.
  • #8 16709934
    paawelx
    Level 18  
    Yes, I start the power supply without a fan and after a while I turn the fans on or off using the button. I did not notice that it would turn off without fans. Without any load as it came from it was felt on the casing that it was getting warm.

    Is this the connection of the button given by colleague service2006 is correct? So far I have not yet connected the backlight buttons and it would be very useful.

    The second thing is that when the fans are on (even without load) the power supply unscrews them after a while, probably to the max and walks like a jambojet :D
    Does anyone have a scatter of control pins, which one is responsible for? Sure there's some kind of regulation, only damn knows who is who.
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  • Helpful post
    #9 16710824
    bogi
    Level 29  
    The connection is good. You can always check the ohmmeter, which contacts close and open. Provide the power supply label. The fans automatically change the speed with the temperature inside the power supply.
  • #10 16711021
    paawelx
    Level 18  
    DPS-2980AB A

    At first, the fans actually spin more slowly and after a while, the rpm increases up to the maximum. The air blown out of the power supply is cold and they still spin at maximum speed. No matter if there is anything connected to the power supply, it is only connected to the power supply and switched on.

Topic summary

The discussion revolves around connecting a 12V backlit rocker switch to a power supply for controlling power and fans. The user seeks confirmation on their wiring method, which involves connecting the power supply outputs to the switch's pins. Responses indicate that the switch must be grounded for proper operation, and the backlight requires a 12V connection to the extreme right pin with the middle pin connected to ground. Users also discuss the behavior of the power supply and fans, noting that the fans may run at maximum speed even without a load. Suggestions include using an ohmmeter to verify connections and providing the power supply label for further assistance.
Summary generated by the language model.
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