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Re: Help : X10 AD10 silent relay hack (SSR) ?
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>From the wayback machine:
https://web.archive.org/web/20090713074722/http://idobartana.com/hakb/SSR/c=
ircuit.html
The circuit for a solid-state relay is quite simple. Here is the
schematic:
The center of the circuit is the MOC3042 or MOC3041 optoisolator. The
difference between these parts is the current required to trigger the
internal LED. When a current source is introduced between V+ and V-, the
22uF capacitor is charged. The 1K resistor limits the current from the c=
ap
into the optoisolator and causes the LED to illuminate inside the chip.
Line voltage flows through the 22 ohm resistor and into the zero-crossin=
g
circuit in the optoisolator. When the zero-crossing circuit detects a ze=
ro
crossing voltage and the LED is illuminated, the gate on the triac in th=
e
optoisolator is triggered with the same phase as the phase of the line
voltage. This line phase current is then used as the gate trigger to the
alternistor. This causes the line current to flow through the alternisto=
r
and power the load.
Remember, this circuit only works if line current is fed into pin 6 of
the optoisolator. If you hook the circuit up wrong, the zero-crossing
circuit will not detect the voltage zero crossing and will not trigger t=
he
alternistor.
The Lamp Module and the Wall Switch circuits are very similar. The X-10
chip has an output pin driving a transistor to switch -15V. This signal =
in
conjunction with a couple of diodes and a couple of resistors is used to
trigger the triac. If we remove the triac, the two resistors and the two
diodes, we can insert the above solid state relay circuit and the output=
of
that SSR circuit can power small appliances and fluorescent lights. The =
SSR
circuit V- could be connected to the transistor, since it has a potentia=
l
of -15V and V+ could be connected to the logical ground of the Lamp or W=
all
Switch circuit.
On Fri, 6 Sep 2019 at 09:34, Marcus Warrington marcus.warrington@xxxxxxx
[ukha_d] <ukha_d@xxxxxxx> wrote:
>
>
> Hi everyone,
>
>
>
> Along with about 20 LD11 I have a single AD10 DIN module controlling
our
> dining room lights (florescent tubes) that has now become stuck ON
i.e. I
> can=E2=80=99t turn the lights off from the switch or by powerline
signal.=
I=E2=80=99m
> assuming this is because the relay contact has welded itself due to
arcin=
g.
>
>
>
> Since no one seems to sell the AD10/11 modules any longer and because
I
> always hated the =E2=80=9Cthunk=E2=80=9D of the AD10 as it switched
on/of=
f I thought I=E2=80=99d
> try hacking it to use a solid state relay (SSR) (
> https://hackaday.com/2007/12/19/silent-x10-mod-cheap-ssr/)
>
>
>
> The only problem is that I can no longer find any online articles that
> actually detail how to do this. Does anyone on the list happen to have
ke=
pt
> an offline copy of this or know what=E2=80=99s involved?
>
>
>
> *Marcus*
>
>
>
>=20
>
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<div dir=3D"ltr">From the wayback=C2=A0machine:=C2=A0<a
href=3D"https://web=
..archive.org/web/20090713074722/http://idobartana.com/hakb/SSR/circuit.html=
">https://web.archive.org/web/20090713074722/http://idobartana.com/hakb/SSR=
/circuit.html</a><div><br></div><div><br></div><div><ul
style=3D"color:rgb(=
0,0,0);font-family:Times;font-size:medium"><p><font
color=3D"#000000" size=
=3D"2" face=3D"Arial">The circuit for a solid-state
relay is quite simple. =
Here is the schematic:</font><font color=3D"#000000"
size=3D"2"></font></p>=
<font color=3D"#000000"
size=3D"2"></font><p
align=3D"center"><font color=
=3D"#000000" size=3D"2"></font><font
face=3D"Arial" color=3D"#000000" size=
=3D"2"><img src=3D"https://web.archive.org/web/20090713074722im_/http://ido=
bartana.com/hakb/SSR/schematic.jpg" width=3D"500"
height=3D"320"></font><fo=
nt color=3D"#000000"
size=3D"2"></font></p><font
color=3D"#000000" size=3D"=
2"></font><p><font color=3D"#000000"
size=3D"2"></font><font face=3D"Arial"=
color=3D"#000000" size=3D"2">The center of the
circuit is the MOC3042 or M=
OC3041 optoisolator. The difference between these parts is the current
requ=
ired to trigger the internal LED. When a current source is introduced
betwe=
en V+ and V-, the 22uF capacitor is charged. The 1K resistor limits the
cur=
rent from the cap into the optoisolator and causes the LED to illuminate
in=
side the chip. Line voltage flows through the 22 ohm resistor and into the
=
zero-crossing circuit in the optoisolator. When the zero-crossing circuit
d=
etects a zero crossing voltage and the LED is illuminated, the gate on the
=
triac in the optoisolator is triggered with the same phase as the phase of
=
the line voltage. This line phase current is then used as the gate trigger
=
to the alternistor. This causes the line current to flow through the
altern=
istor and power the load.</font><font color=3D"#000000"
size=3D"2"></font><=
/p><font color=3D"#000000"
size=3D"2"></font><p><font
color=3D"#000000" siz=
e=3D"2"></font><font face=3D"Arial"
color=3D"#000000" size=3D"2">Remember, =
this circuit only works if line current is fed into pin 6 of the
optoisolat=
or. If you hook the circuit up wrong, the zero-crossing circuit will not
de=
tect the voltage zero crossing and will not trigger the
alternistor.</font>=
<font color=3D"#000000"
size=3D"2"></font></p><font
color=3D"#000000" size=
=3D"2"></font><p><font
color=3D"#000000" size=3D"2"></font><font
face=3D"Ar=
ial" color=3D"#000000" size=3D"2">The Lamp
Module and the Wall Switch circu=
its are very similar. The X-10 chip has an output pin driving a transistor
=
to switch -15V. This signal in conjunction with a couple of diodes and a
co=
uple of resistors is used to trigger the triac. If we remove the triac,
the=
two resistors and the two diodes, we can insert the above solid state rela=
y circuit and the output of that SSR circuit can power small appliances
and=
fluorescent lights. The SSR circuit V- could be connected to the transisto=
r, since it has a potential of -15V and V+ could be connected to the
logica=
l ground of the Lamp or Wall Switch
circuit.</font></p></ul></div></div><br=
><div class=3D"gmail_quote"><div
dir=3D"ltr" class=3D"gmail_attr">On Fri, 6=
Sep 2019 at 09:34, Marcus Warrington <a href=3D"mailto:marcus.warrington@m=
is-es.com">marcus.warrington@xxxxxxx</a> [ukha_d]
<<a href=3D"mailto:=
ukha_d@xxxxxxx">ukha_d@xxxxxxx</a>>
wrote:<br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px
0.8ex;border-left=
:1px solid rgb(204,204,204);padding-left:1ex">
<u></u>
=20
<div style=3D"background-color:rgb(255,255,255)">
<span style=3D"display:none">=C2=A0</span>
<div id=3D"gmail-m_-2108017501520565950ygrp-mlmsg">
<div id=3D"gmail-m_-2108017501520565950ygrp-msg">
<div id=3D"gmail-m_-2108017501520565950ygrp-text">
=20=20=20=20=20=20
=20=20=20=20=20=20
<p>
</p><div
class=3D"gmail-m_-2108017501520565950WordSection1">
<p class=3D"MsoNormal">Hi
everyone,<u></u><u></u></p>
<p
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Along with about 20 LD11 I have a
single AD10 DIN mo=
dule controlling our dining room lights (florescent tubes) that has now
bec=
ome stuck ON i.e. I can=E2=80=99t turn the lights off from the switch or
by=
powerline signal. I=E2=80=99m assuming this is because
the relay contact has welded itself due to arcing.
<u></u><u></u></p>
<p
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Since no one seems to sell the
AD10/11 modules any l=
onger and because I always hated the =E2=80=9Cthunk=E2=80=9D of the AD10
as=
it switched on/off I thought I=E2=80=99d try hacking it to use a solid sta=
te relay (SSR) (<a href=3D"https://hackaday.com/2007/12/19/silent-x10-mod-c=
heap-ssr/" target=3D"_blank">https://hackaday.com/2007/12/19/silent-x10-mod=
-cheap-ssr/</a>)<u></u><u></u></p>
<p
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">The only problem is that I can no
longer find any on=
line articles that actually detail how to do this. Does anyone on the list
=
happen to have kept an offline copy of this or know what=E2=80=99s
involved=
?<u></u><u></u></p>
<p
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal"><b><span
style=3D"font-size:10pt;font-family:Arial,s=
ans-serif;color:rgb(84,141,212)">Marcus</span></b><i><span
style=3D"font-si=
ze:10pt;font-family:Arial,sans-serif;color:rgb(84,141,212)"><u></u><u></u><=
/span></i></p>
<p
class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<p></p>
</div>
=20=20=20=20=20
=20=20=20=20
<div
style=3D"color:rgb(255,255,255);height:0px"></div>
</div>
=20=20
</blockquote></div>
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Posted by: Nigel Champion <nigel_champion@xxxxxxx> =
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