RE: AM12U Appliance Module

["Brian G. Reynolds" <brian.g.reynolds@xxxxxxx>]

Thanks again Keith, I will give it a try.

As for chucking things out is it a bloke thing? I hate to bin anything!

B.

> -----Original Message-----
> From: Keith Doxey [mailto:ukha@xxxxxxx]
> Sent: 06 October 2001 17:06
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] AM12U Appliance Module
>
>
> Perfectly. All that will happen is that current sensing will not
> operate but
> the unit should work perfectly apart from local control which you
> dont want
> anyway.
>
> IF it stops the module working (which I dont believe it will
> otherwise they
> wouldnt suggest removing it) then just put it back :-)
>
> Keith
>
> PS. Currently throwing a load of "useful working stuff" out
because I know
> it will NEVER be used again, eg 2 Zenith 486SX33's, 1 VGA monitor (fan
> cooled!) but only 640x480, several old PCB's and other stuff. Its
> heartbreaking :-(
>
> There will be some other stuff that may be useful to others which I
will
> post to the list later.
>
>
>
> > -----Original Message-----
> > From: Brian G. Reynolds [mailto:brian.g.reynolds@xxxxxxx]
> > Sent: 06 October 2001 16:54
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] AM12U Appliance Module
> >
> >
> > Is it safe? I presume it was fitted there for a reason?
> > not for amateurs like me to remove it!
> >
> > Thanks,
> >
> > B.
> >
> > > -----Original Message-----
> > > From: Keith Doxey [mailto:ukha@xxxxxxx]
> > > Sent: 06 October 2001 16:43
> > > To: ukha_d@xxxxxxx
> > > Subject: RE: [ukha_d] AM12U Appliance Module
> > >
> > >
> > > 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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