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

Terry.w7ami terry.w7ami at gmail.com
Fri Apr 15 10:37:53 MDT 2016


Rob,

A higher res image would be a help.

Why are you using different wiring schemes for the two units? You have 
enough switch contacts so why are you tying some of the lines 
together?   I'd make them totally separate and wired the same to avoid 
confusion.

Terry

On 4/15/2016 9:57 AM, Rob Derstadt 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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