[simpits-tech] Powering EPIUSB modules

[Frank Riedel]

Sorry - guys, i found an old post from Stig, descripe that PC PSU will
be abel to power around 800 leds - will be enough for my use ;o)

Frank

----- Original Message -----
From: "Frank Riedel" <frank@rezultat.dk>
To: <simpits-tech@simpits.org>
Sent: Sunday, March 16, 2003 10:07 PM
Subject: Re: [simpits-tech] Powering EPIUSB modules


> okay !
> I thingking of using a PSU from a PC !
> It's output is 12V ?A - can i use this connectet to the outputmodule and
the
> ABAmodule ???
>
> Frank
>
> ----- Original Message -----
> From: "Mark Doran" <msdoran@attbi.com>
> To: <simpits-tech@simpits.org>
> Sent: Sunday, March 16, 2003 6:42 PM
> Subject: RE: [simpits-tech] Powering EPIUSB modules
>
>
> Ah, I answered the wrong question then.  Ooops! :-)
>
> The "wall-wort" 12V PSU is just meant to power the actual output module
> circuitry not the lamps in your setup.
>
> Caveat: I'm the software guy for our crew so I may have mangled the
> translation a bit here but this is how I understand it...
>
> The documentation for the output module explains this a bit but you'll
need
> to figure out what kind of indicators you want to power and what
> voltage/current they require.  For our project, the hardware guys decided
to
> go with a 12V and a 28V circuit.  All the "LED" type indicators are
powered
> off the 12V with appropriate resistors to put the right forward voltage
> across the LED.  The 28V does the Korry split-face indicator lamp/switches
> we have since those were designed for 28V in the first place.
Interestingly
> the hardware guys replaced the incandescent bulbs in those with
> life-of-the-jet LED "bulb" units (four per, just like the original bulbs)
to
> cut down on heat output (which is a very Good Thing(TM)) but those are
> designed for 28V also.
>
> They gave me an EMDA Pro 34 with 32 LED and resistors stuck right on it
for
> EPL output code testing.  It takes a 12V input to power the LEDS.  To go
> with that card they gave me an HP lab bench power supply, 6284A that can
> output up to 20V at 3 amps without hitting the "grey arcs" on the gauge on
> the PSU.  I believe the PSU units that are plugged in to the actual
cockpit
> testbed hardware are rather more heavy duty than the one I have here for
> testing purposes: as I recall with everything turned on the unit draws
> around 3 amps on the 28V circuit alone.
>
> All our power supplies were either in the lab already or (like the one I
> have) care of eBay -- quite a useful source for things like that.
>
> Cheers,
>
> Mark.
>
>
> -----Original Message-----
> From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org]
> On Behalf Of Frank Riedel
> Sent: Sunday, March 16, 2003 1:22 AM
> To: simpits-tech@simpits.org
> Subject: Re: [simpits-tech] Powering EPIUSB modules
>
> I have the 220V PSU (i'm on 220V) for the outputmodule - but can it power
> all 32 LED ???
>
> The ABA/BTN can take an input of 9V.... but i'm not sure of it is required
> when
> all 64 switches is connectet ???
>
> Fly well...
> Frank
> ----- Original Message -----
> From: Mark Doran
> To: simpits-tech@simpits.org
> Sent: Saturday, March 15, 2003 11:47 PM
> Subject: RE: [simpits-tech] Powering EPIUSB modules
>
> In the US Flightlink ship a PSU with the output module - it's the same one
> as for the EPIC USB itself. 12V, 500mA output with 120V mains A/C input.
> If you want the model # of the Jameco part I can get that for you but
aren't
> you on 220V there?? Not sure what the ABA-BTN would take.
>
> Cheers,
>
> Mark.
>
>
> -----Original Message-----
> From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org]
> On Behalf Of Frank Riedel
> Sent: Saturday, March 15, 2003 9:17 AM
> To: simpits-tech@simpits.org
> Subject: [simpits-tech] Powering EPIUSB modules
>
> Hi All !
> What powersuppley are you using for OUTPUT and ABA-BTN module ???
>
>
> Fly well
>
> Frank
>
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