Re: LD10 schematic

["Robert Crawshaw" <robert@xxxxxxx>]

Hello Keith

Subject: RE: [ukha_d] LD10 schematic



> I assume from what you are describing, that the LD10 is located some
> distance away from the wiring closet.

LD10's are in the wiring closet (if you can call it that) i wanted some
kind
of visual indication as to the status of the LD10's so that instead of
wandering round the house to see which lights are on i could pop my head
round the door of the wiring closet and switch them on/off with the RF
remote, Its mainly to make sure they are all switched off before i go to
bed, i dont want to issue the "all off" command as my bedside
lamp is also
x10 and i dont want to stumbling about in the bedroom waking up 'she who
must be obeyed'  its taken me ages to WAF for x10 stuff so i dont want to
go
rocking the boat :)

>Adding a remote LED is not easy or
> recommended. To add an LED would either mean connecting it to the low
> voltage electronics within the module or connecting it to the output
of
the
> module with a suitable dropper resistor.

I have seen a modification to an x10 light switch of somekind and was
hoping
to do a sinilar thing, i believe it was a US model though so 110v....

> The low voltage part of X10 modules is fed from a capacitive dropper
power
> supply and would almost certainly not support the additional load for
the
> LED. Also, despite the fact that the low voltage section operates on
around
> 15 volts DC this is DIRECTLY CONNECTED TO THE MAINS AND MUST BE
CONSIDERED
> AS A LIVE 240V CIRCUIT.

> Instead of a small wattage bulb, why not use a neon indicator.

I thought of that almost as soon as i hit the send button :)
But would a neon "dim" when i dim the lights ??? (LV transformer)

> virtually no power consumption but still requires mains rated cable
for
the
> connection as it is also a live circuit. Using a neon also has one
other
> benefit. It will show the current status of the module but also if the
lamp
> controlled by the LD10 blows the neon will light at all times due the
> leakage through the suppression components. Once the blown lamp is
replaced
> the neon will be revert to showing the true state of the LD10.
>
> If you do decide to add some form of remote monitoring, please be
careful.


Many thanks for the advise Keith, much appreicated

> > Anyone know ehere i can get hold of a schematic of the LD10
> > dimmer module ?
> > Im SURE i HAD one on my HD somwhere but i cant find it now
> >
> >
> > I am wanting to add an LED to the module so i can see when it
> > is powered up
> > from the wiring closet.
> > I was toying with the idea of putting a small wattage bulb in
> > parallel with
> > the lights they control but there HAS to be a nicer way of doing
it :)
> >


Robert Crawshaw                 http://www.golcar.demon.co.uk
Member of HAUG (Huddersfield Amiga User Group)

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