RE: AM12U Appliance Module

["Keith Doxey" <ukha@xxxxxxx>]

The note [3] says to remove the diode below the resistor to disable current
sense. As that would remove the path via which the current is flowing it
should go off completely.

Keith

> -----Original Message-----
> From: Brian G. Reynolds [mailto:brian.g.reynolds@xxxxxxx]
> Sent: 06 October 2001 16:35
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] AM12U Appliance Module
>
>
> That's the picture I remember, Thanks Keith.
>
> Is this a problem, apart from the cosmetics issue of showing on when
> actually off?
>
> Could I fit a larger resistor on this LED to hide it although it
> still will
> have power, or can/should I cut the 2K2 resistor somewhere?
>
> B. out of his depth again but learning...
>
> > -----Original Message-----
> > From: Keith Doxey [mailto:ukha@xxxxxxx]
> > Sent: 06 October 2001 16:25
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] AM12U Appliance Module
> >
> >
> > There is a 2K2 resistor for current sense which forms part of the
local
> > control circuitry (top right on diagram). If there is a very low
> > load on the
> > module there may well be enough current to keep it partially
powered.
> >
> > Keith
> >
> > > -----Original Message-----
> > > From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
> > > Sent: 06 October 2001 16:20
> > > To: ukha_d@xxxxxxx
> > > Subject: RE: [ukha_d] AM12U Appliance Module
> > >
> > >
> > > There shouldn't be current "seepage" with an
appliance module as
> > > there is a
> > > rudy great relay in there doing the switching and there
shouldn't be
> > > anything seeping through that.
> > >
> > > Do you actually hear the appliance module clunk off? Can you
> measure the
> > > voltage at the input to the switcher?
> > >
> > > Phil
> > >
> > > > -----Original Message-----
> > > > From: Brian G. Reynolds [mailto:brian.g.reynolds@xxxxxxx]
> > > > Sent: 06 October 2001 15:41
> > > > To: ukha_d@xxxxxxx
> > > > Subject: RE: [ukha_d] AM12U Appliance Module
> > > >
> > > >
> > > > No the transformer does not cause it to switch back on
the
> > only reason I
> > > > know it is still on is the "On" LED goes dim
but not off
> > which is why I
> > > > thought current seeping through.
> > > >
> > > > B.
> > > >
> > > > > -----Original Message-----
> > > > > From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
> > > > > Sent: 06 October 2001 14:59
> > > > > To: ukha_d@xxxxxxx
> > > > > Subject: RE: [ukha_d] AM12U Appliance Module
> > > > >
> > > > >
> > > > > Does the transformer turn off and then turn back
on again
> > after a few
> > > > > seconds when you send the X10 off command?
> > > > >
> > > > > Phil
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Brian G. Reynolds [mailto:brian.g.reynolds@xxxxxxx]
> > > > > > Sent: 06 October 2001 14:24
> > > > > > To: UKHA Group
> > > > > > Subject: [ukha_d] AM12U Appliance Module
> > > > > >
> > > > > >
> > > > > > Guys I am sure this has been mentioned before
so sorry if it has
> > > > > > but I have
> > > > > > at last finished my rack-mounted CCTV
switcher but I have a
> > > > > > slight problem.
> > > > > >
> > > > > > I have plugged the switcher transformer which
supplies the
> > > > power to the
> > > > > > switcher and the CCTV cameras into an
Appliance Module AM12U
> > > > but when I
> > > > > > switch the AM12U off the "on" LED
on my switcher stays on, I
> > > > > have heard of
> > > > > > this before as their is a current draw(?) I
think I have to cut
> > > > > something?
> > > > > >
> > > > > > Can someone please advise me as to what to do
please.
> > > > > >
> > > > > > Also thanks Keith for the wiring advise re
LED's, fuses and
> > > > > resistors lots
> > > > > > back.
> > > > > >
> > > > > > TIA.
> > > > > >
> > > > > > B.
> > > > > >
> > > > > >
> > > > > >
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