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Re: Another question about current sense



I guess I should verify what "local control" means.  Does it mean if
the module was plugged into a switchable wall outlet.  Vs - current
sense allows you to turn on the applicance/light from the appliance's
built-in switch?


On Mar 3, 4:04 pm, "D&SW" <d...@xxxxxxxxxxx> wrote:
> Technically one mod, the jumer cut, defeats Local Control. The other mod,
> the diode cut, stops the leakage current. However if you cut the diode but
> not the  jumper on pin 7 of the chip, pin 7 (a high impedance input)
> remains connected to a half dozen components, which are now electrically
> "floating". That doesn't make "happy time" for the pin 7 input. Some modules
> become unstable.  Some may work fine.
>
> <raymondj...@xxxxxxxxx> wrote in message
>
> news:872a518a-8459-4fb4-bc61-072f3fd3d4be@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> > It seems to me that cutting the diode does it all - disables current
> > sense and local control.  Hence my still uncertainty as to why there
> > are two different mods.
>
> > On Mar 2, 6:29 pm, "D&SW" <d...@xxxxxxxxxxx> wrote:
> >> Current sensing is P/O local control. Cutting the jumper disables Local
> >> Control but does not stop the current leakage through the load to detect
> >> the
> >> local switch changing state. The leakage is what keeps LED bulbs lit and
> >> CFL
> >> bulbs flickering. On older modules cutting the diode stopped the leakage
> >> current (and by default Local Control) but I do not know if this still
> >> works
> >> on newer modules.
> >> I think Ido's information is still the best around.
>
> >> <raymondj...@xxxxxxxxx> wrote in message
>
> >>news:144b524b-ac15-41a8-bfba-fe48bc163eba@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> >> >I apologize in advance if this is a repeat question (which it probably
> >> > is.)
>
> >> > Is there a difference between "local control" and "current sense" ?
>
> >> > Many years ago I needed to modify an appliance module and I used Ido
> >> > Bartana's mod of clipping diode D10.  But now I see all of these mods
> >> > for clipping pin7 or cutting a jumper.
>
> >> > Are both mods needed?  Or is one for one type of module and the other
> >> > for another type?
>
> >> > I want to modify some lamp modules now.
>
> >> > Unfortunately I have not been following the latest hacks over the
> >> > years.  My house has actually been working great for the past few
> >> > years.  (With the exception of my branch circuit filter not stopping
> >> > the line noise from the furnace.)



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