motion sensor wiring 2 wires

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evis

Member - Posts: 8

Joined: May 12, 2011

Location: United Kingdom

Posted: May 14, 2011 at 1:11 PM / IP Logged

howie ll wrote:

Not available with two wires you're obviously not reading or taking in previous posts.

Have I miss understood what you mean by "...or 2 trigger wires for inner and outer zones and it's probably a shock or tilt sensor..."

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: May 14, 2011 at 2:36 PM / IP Logged

ALL shock, prox. or tilt sensors have a minimum of 3 wires or 4 if dual zone. Anything with two is either a glass break mic or half of an ultrasonic pair, in which case with both the cable would be coax.

evis

Member - Posts: 8

Joined: May 12, 2011

Location: United Kingdom

Posted: May 15, 2011 at 5:58 AM / IP Logged

If it is an ultrasonic detector, what would the other half look like? I wonder whether that's what the wire has been pulled off?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: May 15, 2011 at 6:02 AM / IP Logged

You do realise your wasting your time with this don't you?

You won't get any spares, circuit diagrams, etc.

oldspark

Gold - Posts: 4,913

Joined: November 03, 2008

Location: Australia

Posted: May 15, 2011 at 6:31 AM / IP Logged

It looks like a reflective beam system - ie, an IR LED and detector which can be wired as a 2 wire system.

But in that case, scrap it. What is going to reflect the LED? And there needs to be processing smarts....

Get another detector....

evis

Member - Posts: 8

Joined: May 12, 2011

Location: United Kingdom

Posted: May 16, 2011 at 2:31 AM / IP Logged

Thanks for the responses fellas. Looks like it was just there for show in that case.

Are there any shock sensors which can be wired into the existing alarm? Or would that require an aftermarket alarm?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: May 16, 2011 at 2:41 AM / IP Logged

Finally, could have saved your self a lot of time and my patience.

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motion sensor wiring 2 wires

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