RE: PIRs & Sensors dual wiring

["Kenneth Watt" <kennwatt@xxxxxxx>]

I am interested in this as well but for “occupancy” I can recommend the ones I got from Simon a while back, they are excellent, so much so that when finances allow I will be looking for a shedload more of them and use them where I can for occupancy and the others for alarm. There are two rooms however that I cannot use the ceiling mounted ones from Simon and that is where I may be forced to either use two PIRs or use them to both HV and an alarm, I was thinking on Comfort but certain people have put me off that idea.

 

K.

 

-----Original Message-----
From: Mick Furlong [mailto:hiltoneltd@xxxxxxx]
Sent: 25 May 2002 20:35
To: ukha_d@xxxxxxx Subject: RE: [ukha_d] PIRs & Sensors dual wiring

 

Simon

 

I am thinking of having a pretty standard monitored alarm system and rather than try and make it pass events to a PC or HV I was hoping the signals could be split at source. 

 

What exactly are the issues with doing this via a single relay?

 

Regards

Mick

 

-----Original Message-----
From: Simon Coates [mailto:ecolume@xxxxxxx]
Sent: 25 May 2002 20:19
To: ukha_d@xxxxxxx Subject: Re: [ukha_d] PIRs & Sensors dual wiring

Mick,

 

Depends on the PIR.  Dual output ones aren't a problem - one relay to the alarm and the other to HV etc...However sharing the same relay for an alarm and HV isn't recommended unless the PIR switches a UL double pole relay.

Can I ask why you want to share a PIR?

 

Regards

 

Simon 

----- Original Message -----

From: Mick Furlong

To: ukha_d@xxxxxxx

Sent: 25 May 2002 14:29

Subject: [ukha_d] PIRs & Sensors dual wiring

 

Is there any reason that a PIR or other sensors cannot be dual wired to an alarm and another device such as a PC or Homevison?

 

Mick

 

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