RE: PIRs onto HV.

["Phil Harris" <phillip.harris1@xxxxxxx>]

Title: Message

Yeah .... that's what I thought they should be too but I've looked at the PCB for the PIR and sure enough the Blue and yellow are actually connected together by a track.

 

They are PIRs from www.responseplc.com so maybe they're something wierd for their particular alarms but I doubt it.

 

Phil

-----Original Message-----
From: Mike Griffiths [mailto:mike@xxxxxxx]
Sent: 11 October 2001 09:50
To: 'ukha_d@xxxxxxx'
Subject: RE: [ukha_d] PIRs onto HV.

Phil

All the PIR’s I have come across have NC contacts

Trip the device and it goes open circuit

 

Having said that I’ve always been able to get into the units and they are normally marked

Your colour code seems to follow the normal standard though

Not too sure where your +ve is coming from

Andrew Roberts on the Comfort news group is always a good guy to ask

 

Mike

Antena

Caernarfon

 

-----Original Message-----
From: Phil Harris [mailto:phillip.harris1@xxxxxxx]
Sent: Thu 11 October 2001 01:15
To: ukha_d@xxxxxxxSubject: [ukha_d] PIRs onto HV.

 

I am just trying to rig a couple of PIRs onto HomeVision to get it to turn some lights on when I walk into my computer room ... the PIRs have 6 terminals.. (Blue, Yellow, Red, Black, Green and White).

 

Green and White are intrusion contacts which break when the unit is dismantled.

 

Red and Black are +V and 0V respectively.

 

Blue and Yellow I assumed would be a set of contacts which either make or break when the PIR trips ... however it seems that Blue and Yellow are commoned together and when the PIR trips they are connected to +V.

 

Is this right and if so then how do you connect a security system PIR to HomeVision?

 

Cheers

 

Phil

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