[altusmetrum] Advice on wiring dual Telemetrums for arm/safe?

w9ya w9ya at qrparci.net
Fri Apr 15 10:23:24 MDT 2016

Um, please check with your L3CC.....quite a few of them do NOT want you to
fly with switches in series with your charges !!

Best regards;

Bob F.

On Fri, Apr 15, 2016 at 9:57 AM, Rob Derstadt <rderstadt at gmail.com> wrote:

> Hello,
> I'm trying to work out how to wire up the outputs of two Telemetrums (one
> primary, one backup) so that I can add an extra arm/disarm rotary switch
> between the outputs and the terminal blocks (the NAR L3 requirement to cut
> power completely from the pyro's).
> This is my initial wiring diagram:
> https://github.com/robderstadt/NAR-L3-Project/blob/master/images/plans/GizmoXL_Wiring.png
> Normally I'd just *try* it and see what happens, but I don't want to fry
> two board if I get it wrong. I'm also concerned that in the "safe" position
> that the continuity indicator on each board would still indicate everything
> green, which could lead to a launch with the pyro's inhibited.
> Has anyone flown this configuration before? If so, any suggestions on how
> to hook it up?
> Thanks guys.
> -Rob
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