Resolved Running two cameras from the same power supply?

Discussion in 'DL Imaging Drivers - Aluma, STC, StarChaser' started by Lord_Kyron, May 3, 2025.

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  1. Lord_Kyron

    Lord_Kyron Cyanogen Customer

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    In order to save cables that drag on the back of my scope, I was thinking of running my STX16803 and my SC-3 from the same 12 volt, 15 Amp power supply. Can I use a switching power supply for this?
     
    Lord_Kyron, May 3, 2025
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  2. Doug

    Doug Staff Member

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    Yes.

    If you are doing custom wiring, just make very sure to wire the polarity correctly. I strongly recommend testing the power connections with everything else disconnected from the camera - that way if it's backwards you don't risk shorting 12V to ground through the camera chassis. It is especially important to unplug the USB cable.
     
    Doug, May 3, 2025
    #2
  3. Lord_Kyron

    Lord_Kyron Cyanogen Customer

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    The existing power supply for the STX16803 is rated at 10 Amps and 12 volts. The SC-3 PS is also 12 volts but only 2-3 Amps. Do I really need such a high current source as 15 Amps, 12 volts?
    Does the Peltier cooler in the STX actually draw 10 Amps?
     
    Lord_Kyron, May 12, 2025
    #3
  4. Colin Haig

    Colin Haig Staff Member

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    Just jumping in here - Keep in mind the power pack "budget" for the STX includes the camera, and the attachable accessories such as:
    • an FW7-STX filter wheel OR or one or two AFW-10-50SQ filter wheels
    • STX guider
    • AO-X

    The "budget" for the SC also includes an optional AO-X.

    So there's maybe 2A of headroom in the 10A figure.
     
    Colin Haig, May 12, 2025
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