[TowerTalk] Prosistel rotor connectors source in USA

[Jorge Diez - CX6VM]

Hello Jeff

but this Essex BBDG6A cable seems to be 4 pairs, we need 5 wires for
Prosistel

73,
Jorge

El dom, 23 mar 2025 a las 15:11, Jeff DePolo (<jd0 at broadsci.com>) escribió:

> > > Prosistel recommends Cat7E for the motor conductors?  Cat7E uses 23 or
> 22
> > > awg copper wires.  I am not familiar with Prosistel rotators and I
> don't
> > > know the motor's voltage or amperage.  22awg wire has 1.6 ohms
> resistance
> > > per 100 feet so the voltage drop at the motor could be significant.
>
> I think Prosistel recommends shielded Cat7 because they use an encoder for
> position tracking; the controller could be susceptible to RFI on those
> conductors, thus the requirement for shielding and twist?  As far as power
> requirements, I don't know, but if you can get away with it, I'd use
> something like Essex BBDG6A which is also 23 gauge, is flooded (icky-pic),
> has a copper armor shield that you can put ground kits on, and has a very
> tough jacket.  We use it all the time on towers for Ethernet to microwave
> radios.  It's good stuff, and not all that expensive in full-reel
> quantities.
>
> > Mass market options for multi-conductor cable are pretty limited. I used
> > two runs of Romex for most of the 350 ft run to the top of my tower for
> > a Yaesu rotator.
>
> For Yaesu we use TC-ER tray cable.  Wire And Cable Your Way has good
> selection and will cut to any length.  For quick and dirty temporary use,
> sprinkler wire...
>
>                                         --- Jeff WN3A
>
> ---------------------------------
> Jeff DePolo, Senior Engineer
> Broadcast Sciences LLC
> Valley Forge, Pennsylvania
> 610.917.3000
>
>
>
>
>
>
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-- 
73,
Jorge
CX6VM/CW5W