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Re: Gate automation



It depends what equipment you are using, low voltage units or mains
voltage.
I only fit hydraulic drive units which are mains voltage, this would
require
one 4 core 1.5 SWA to each drive motor.
Do you have one gate or two do you want underground drive units or on the
back of the gate rams?
The radio receiver can be located at the gates, this could be supplied by a
cat 5 cable, better still to use a slightly larger multicore cable.
What are you doing about safety controls? beams or vehicle sensing
induction
loops, these again can use the multicore.
Six cores would give you + - 24v / no open command / nc safety circuit.

Alancc
----- Original Message -----
From: Mick Furlong <hiltoneltd@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, May 26, 2003 8:50 PM
Subject: RE: [ukha_d] Gate automation


> Thanks for the explanations Nigel and Alan, just to clarify in my case
I
> have three points, boiler house (most convenient for running power
> especially as it houses the generator), the main house, and the gate.
>
> Boiler house to gate is about 25m, gate to main house is about 15m,
boiler
> house to main house is about 10m (distance may be a bit less but
aren't
> more).
>
> Diagramatically.......
>
>
> Boiler House
>
>
>
>
>                            Main House
>
>
>
>   Gates
>
> Access for power cables is MUCH easier in and out of the boiler house
than
> the main house. So if I locate the control box in the boilerhouse and
run
> 2x2.5 SWA plus say 2 x cat 5 to the gate and run 2xCat 5 from the main
house
> to the gate and finally 2 x cat5 from the main house to the
boilerhouse.
All
> cat 5 to the main house would terminate in node zero so could be
patched.
I
> should be covered for the gates, does that sound right?
>
> I will be running other cables to the gate for lights,
cameras,intercom
etc
> so these would be just for the gate system.
>
> One question comes to mind .....can the sensor/remote be located at
the
gate
> remotely from the control unit?
> Only other way I can see to do this would be to build a gate post like
a
> brick s*** house to house the control gear.
>
> Cheers
> Mick
>





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