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Thread: Digital Inverter?

  1. #1
    Variable Bitrate Osiris's Avatar
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    Digital Inverter?

    I brought this digital inverter based on the oh wow "cool" factor not thinking about how this would fit into my setup. The problem is that I had a Coleman PMP400 that died on me. It was wired to my CarPC Pro via the switch for remote/auto turn off/on. I was satisfied with the Coleman but thought I would try something new since it did after all die on me. So I found this 'digital' Xantrex on eBay for a few more dollars and got it. Its a great inverter but my only gripe is that it has a digital power button. (see pic and specs below). I tried hacking it and it seems to be a delayed switch that requires you to hold it down for a certain time, then it comes on. This obviously wont work with the SDC setup since it works by completeing a circuit to turn on the inverter. Does anybody out there have any suggestions on how to A) wire up the SDC to trigger the inverter then cut the circuit or B) install my own switch that would trigger this type of switch?



    SPECS
    Go to the Xantrex website for the details and info.
    Osiris Networx

    --Tuning is all about price vs performance. You've got to find your own medium.--

  2. #2
    Constant Bitrate
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    What wattage ATX power supply are you using and what is the max amp draw at 120V?

  3. #3
    FLAC Jahntassa's Avatar
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    You can use a relay to make a timed momentary switch from a constant input. Somewhat like how i'm making my TView auto power up..

    Hook it up to your ACC wire, or a switched (not pulsed) output of your power controller, and by varying the resistance, you can change the timing of the 'click' for the relay.

    From the12volt.com: http://the12volt.com/relays/page5.asp


    In your case, replace the wires going from pin 30 and 87 with the two wires that are hooked into the inverter power switch (I assume you've already tried wiring something?) Basically it just makes a timed 'latch and release' across pins 30 and 87.

  4. #4
    Variable Bitrate numbers's Avatar
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    The ideal thing to do would be to lose the button setup completely. Find out how it works and alter the circuit in such a way that you wind up with the usual on/off switch. If you can't figure it out, a few good pictures may help somebody here start you off on the right foot.

  5. #5
    FLAC Jahntassa's Avatar
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    That's a bit severe, don't you think? Potentially destroying the whole unit when you can just adapt something to it?

  6. #6
    Newbie
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    I have the same inveter and the same problem.

    Seems like a very high qualiyt inverter though, I picked it up for under $30 at costco. IT comes with both battery clamps and a cig lighter adapter that easily screw onto the back terminals.

    The display shows Power in (Volts) power out (watts), voltage out

  7. #7
    Variable Bitrate numbers's Avatar
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    Quote Originally Posted by Jahntassa
    That's a bit severe, don't you think? Potentially destroying the whole unit when you can just adapt something to it?
    If by severe you mean extreme, then yes. If by severe you mean overkill, then no. It's the right way to do it. That's all I mean.

  8. #8
    Variable Bitrate
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    Just to let everyone know, if you have a CarPC EZ or Pro or Platinum v2.4 or v2.45, there is an update that allows you to use these digital inverters that require pushbutton inputs. We will swap you a new microcontroller for no charge.

    KyferEz
    TheCarPCStore.com - Power Controllers (SDC), Inverters, Tank Circuit, GPS, OBDII, CarPCs, and more!
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