Re: Theoretical LD11 Usage

["Malcolm Lansell" <mlansell@xxxxxxx>]

Well, apart from the out-off sync issue that's been mentioned, you can.
Pressing the switch toggles the light - so if light1 is on light2 is off,
pressing the switch that controls them both with turn light1 off and light2
on, which I imagine is not what you are after.

I'll try to explain the poles/ways thing:

The number of ways refers to the number of outputs you can choose to
connect
the input to.  So a one way switch (like most push button momentary ones)
either connects the input to nothing, or to that one output, depending on
whether it is pressed or not.

A two way switch connects the input to either of two outputs (most
lightswitches are actually two way, but unless you're wiring a light to be
controlled by more than one switches, one of those outputs is not connected
to anythin).

The number of poles refers to how many inputs are controlled by the switch
at once.

A one pole-one way switch has one input, and one output.
A two pole one way switch has two inputs, each connected to their own
output
if the switch is on, or connected to nothing if it is off.
A two pole-two way switch has two inputs, each of which is connected to one
of two of it's own outputs, depending on whether the switch is
"on" or "off"

To control two LD11s in the way you mention, you need a two-pole, one-way
momentary switch - one pole (or input) for each LD11.  However, they will
get out of sync.

Mal





----- Original Message -----
From: "Gareth Cook" <g@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Wednesday, December 17, 2003 12:10 PM
Subject: Fw: [ukha_d] Theoretical LD11 Usage


> I think you're talking to a simpleton - haven't a clue what yer on
about
> :-)
>
> I'm assuming then I cant have a momentary switch to control 2 LD11's
as
> once...
>
> G.
>
>  Gareth Cook
>  SWG EMEA North Account Manager
>  IBM SWG - BTE Office - Lotus Park, Staines, TW18 3AG
>  Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
>  AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
>  email: g@xxxxxxx
>
>
> ----- Forwarded by Gareth Cook/UK/IBM on 17/12/2003 12:08 -----
>
> Discussion
> Main Topic
>
> "Malcolm Lansell" <mlansell@xxxxxxx>
> Today 10:43
>
> .
> Subject:
> .
> Re: [ukha_d] Theoretical LD11 Usage
> .
> Category:
>
>
>
> Of course.  You're probably thinking two-way.  The number of poles is
the
> number of switched wires.  So for example, an isolator switch is
two-pole
> -
> so it can switch both the live and neutral lines.
>
>
> ----- Original Message -----
> From: "Gareth Cook" <g@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Wednesday, December 17, 2003 10:22 AM
> Subject: Fw: [ukha_d] Theoretical LD11 Usage
>
>
> > Can a momentary switch be a two pole ?
> >
> > G.
> >
> >  Gareth Cook
> >  SWG EMEA North Account Manager
> >  IBM SWG - BTE Office - Lotus Park, Staines, TW18 3AG
> >  Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
> >  AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
> >  email: g@xxxxxxx
> >
> >
> > ----- Forwarded by Gareth Cook/UK/IBM on 17/12/2003 10:08 -----
> >
> > Discussion
> > Main Topic
> >
> > "Malcolm Lansell" <mlansell@xxxxxxx>
> > Today 10:02
> >
> > .
> > Subject:
> > .
> > Re: [ukha_d] Theoretical LD11 Usage
> > .
> > Category:
> >
> >
> >
> > You would need the third momentary switch to be a two-pole type -
that
> way
> > you keep the wiring to each LD11 isolated.  Otherwise, they would
be
> > joined
> > together, and pressing *any* switch would turn them both on.
> >
> > Mal
> >
> >
> > ----- Original Message -----
> > From: "Gareth Cook" <g@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Wednesday, December 17, 2003 9:42 AM
> > Subject: [ukha_d] Theoretical LD11 Usage
> >
> >
> > > Here's the skinny. We've done a flood wire in my chum's
house, and in
> > the
> > > lounge 8 spots will hang off of 2 LD11's. One row each, one
momentary
> > for
> > > each LD11.
> > >
> > > So, we've installed the 1.5mm cables to the light socket
which will be
> a
> > > momentary circuit. All standard stuff. Question is this : Is
it
> possible
> > > to have a third momentary switch, that is connected to BOTH
LD11's, so
> > > when you press it, it's activates both LD11's at the same
time.
> > >
> > > I think this should work - but what if someone pressed this
switch AND
> > the
> > > normal individual switch - would that cause a problem with
the voltage
> > > going down both ?
> > >
> > > I'm sure someone said they did the opposite, where it was a
single
> LD11
> > > but TWO momentary switches connected to it - effectively a
2way switch
> > > (such as the the upstairs lights where a switch is
downstairs, and one
> > is
> > > upstairs)....
> > >
> > > G.
> > >
> > >  Gareth Cook
> > >  SWG EMEA North Account Manager
> > >  IBM SWG - BTE Office - Lotus Park, Staines, TW18 3AG
> > >  Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166
> > >  AIM Chat : TheBoyG - MSN Chat : chat@xxxxxxx
> > >  email: g@xxxxxxx
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > > UKHA 2004: 15th and 16th May 2004
> > >
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