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Re: Comfort Alarm / PIR Wiring
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Thanks Pete. Just what I was looking for but couldn't find.
On 12 Oct 2013, at 18:09, "Peter Church" <yahoo@xxxxxxx>
wrote:
> Brian
>=20
> I've used these and didn't need a relay. The Comfort II installation
manu=
al
> covers this on Page 36:
>=20
> Negative Applied Detectors
>=20
> Certain types of detector such as outside PIR's and photocells provide
an
>=20
> open-collector output as a trigger rather than a relay output. This
type =
of
>=20
> signal can be connected directly into a zone terminal providing it is
a
>=20
> negative signal in one state and 'floating' in the other state. If the
> signal
>=20
> goes negative when detecting, use a normally-open zone type such as
>=20
> Type '8' (normally-open switch). This is suitable for light sensors or
>=20
> external non-alarming detectors which may be used as monitors to drive
>=20
> Responses for lighting and CCTV applications.
>=20
> The negative signal should be applied to non-eol zone where the
trigger
>=20
> wire connects just to one side of the zone, provided the detector has
a
>=20
> 12v supply derived from the panel acting as a reference.
>=20
> If tamper protection is required on the zone, three wires will be
require=
d
>=20
> and the zone jumper should be removed from the header. A single 2K7
>=20
> resistor should be fitted in series with two of the wires at the
detector=
.
>=20
> The detector's negative trigger should then connect to the side of the
>=20
> resistor and wire which returns to the zone terminal and NOT to the
wire
>=20
> that returns to the zone COM terminal, which is already at 0V .
>=20
> 'GJD XL or Opal' detectors have both -ve alarm trigger outputs and a
>=20
> built-in photocell -ve output. Comfort 'default ' uses zone 13 for a
ligh=
t
>=20
> sensor.
>=20
> It's been a while since I installed but I think you need 3 wires for
basi=
c
> operation 12v, 0v and -ve trigger (which you connect to the zone)
>=20
> Sure I had a document relating to this. I'll see if I can find it.
>=20
> HTH
>=20
> Pete
>=20
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> Brian Smith
> Sent: 12 October 2013 17:26
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Comfort Alarm / PIR Wiring
>=20
> Afternoon all
>=20
> I am just trying to install my Comfort alarm and need some help with
the
> wiring on some external PIRs I have. I was hoping to wire them as
standar=
d
> zone inputs like internal PIRs but now I'm reading the instructions it
mi=
ght
> not be that simple.
>=20
> The instructions seem to suggest I might need a relay in order to
create
> what I assume is a normal volt free loop that Comfort can use but I
wande=
red
> if any of you clever people out there could tell me otherwise.
>=20
> The instructions for the PIR are here:-
>=20
> http://www.gjd.co.uk/wp-content/uploads/wpsc/downloadables/Opal-XL-Techni=
cal
> -Manual-UK.pdf
>=20
> Any suggestions as to how I can wire in to Comfort with the minimum of
fu=
ss
> would be much appreciated.
>=20
> Thanks
>=20
> Brian
>=20
> [Non-text portions of this message have been removed]
>=20
>=20
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<div>Thanks Pete. Just what I was looking for but couldn't
find.<br><br>On 12 Oct 2013, at 18:09, "Peter Church"
<<a href="mailto:yahoo@xxxxxxx";>yahoo@xxxxxxx</a>>
wrote:<br><br></div><div></div><blockquote
type="cite"><div>
<span style="display:none"> </span>
<div id="ygrp-text">
<p>Brian<br>
<br>
I've used these and didn't need a relay. The Comfort II installation
manual<br>
covers this on Page 36:<br>
<br>
Negative Applied Detectors<br>
<br>
Certain types of detector such as outside PIR's and photocells provide
an<br>
<br>
open-collector output as a trigger rather than a relay output. This type
of<br>
<br>
signal can be connected directly into a zone terminal providing it is
a<br>
<br>
negative signal in one state and 'floating' in the other state. If
the<br>
signal<br>
<br>
goes negative when detecting, use a normally-open zone type such
as<br>
<br>
Type '8' (normally-open switch). This is suitable for light sensors
or<br>
<br>
external non-alarming detectors which may be used as monitors to
drive<br>
<br>
Responses for lighting and CCTV applications.<br>
<br>
The negative signal should be applied to non-eol zone where the
trigger<br>
<br>
wire connects just to one side of the zone, provided the detector has
a<br>
<br>
12v supply derived from the panel acting as a reference.<br>
<br>
If tamper protection is required on the zone, three wires will be
required<br>
<br>
and the zone jumper should be removed from the header. A single
2K7<br>
<br>
resistor should be fitted in series with two of the wires at the
detector.<br>
<br>
The detector's negative trigger should then connect to the side of
the<br>
<br>
resistor and wire which returns to the zone terminal and NOT to the
wire<br>
<br>
that returns to the zone COM terminal, which is already at 0V .<br>
<br>
'GJD XL or Opal' detectors have both -ve alarm trigger outputs and
a<br>
<br>
built-in photocell -ve output. Comfort 'default ' uses zone 13 for a
light<br>
<br>
sensor.<br>
<br>
It's been a while since I installed but I think you need 3 wires for
basic<br>
operation 12v, 0v and -ve trigger (which you connect to the zone)<br>
<br>
Sure I had a document relating to this. I'll see if I can find
it.<br>
<br>
HTH<br>
<br>
Pete<br>
<br>
From: <a href="mailto:ukha_d@xxxxxxx";>ukha_d@xxxxxxx</a>
[mailto:ukha_d@xxxxxxx]
On Behalf Of<br>
Brian Smith<br>
Sent: 12 October 2013 17:26<br>
To: <a href="mailto:ukha_d@xxxxxxx";>ukha_d@xxxxxxx</a><br>
Subject: [ukha_d] Comfort Alarm / PIR Wiring<br>
<br>
Afternoon all<br>
<br>
I am just trying to install my Comfort alarm and need some help with
the<br>
wiring on some external PIRs I have. I was hoping to wire them as
standard<br>
zone inputs like internal PIRs but now I'm reading the instructions it
might<br>
not be that simple.<br>
<br>
The instructions seem to suggest I might need a relay in order to
create<br>
what I assume is a normal volt free loop that Comfort can use but I
wandered<br>
if any of you clever people out there could tell me otherwise.<br>
<br>
The instructions for the PIR are here:-<br>
<br>
<a href="http://www.gjd.co.uk/wp-content/uploads/wpsc/downloadables/Opal-XL-Technical";>http://www.gjd.co.uk/wp-content/uploads/wpsc/downloadables/Opal-XL-Technical</a><br>
-Manual-UK.pdf<br>
<br>
Any suggestions as to how I can wire in to Comfort with the minimum of
fuss<br>
would be much appreciated.<br>
<br>
Thanks<br>
<br>
Brian<br>
<br>
[Non-text portions of this message have been removed]<br>
<br>
</p>
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