Re: Non-Comfort Alarms

[Kevin Hawkins <tivo@xxxxxxx>]

Title: [ukha_d] Re: Non-Comfort Alarms

Hi Mark,

        Let me know how you get on here - we can get to a solution, it's just that some ways are easier than others - see inserted comments below.

> >      
> 2) If it is your own installed panel you could actually drop
> > some electronics on the output of each PIR as it is wired int
> the
> > panel. ie monitor the zone separately. You need t  be very
> careful
> > here though not to upset the zone sensing and not to impact
> the
> > security of the system. Better is perhaps t  take each PIR
> through
> an
> > intermediate relay and use a second set of contacts t  give
> the
> > activated outputs. If your panel uses two wire zones with
> terminating
> > and shunt resistors though you will lose your tamper alarms
> this
> way.
> > If 4 wire (separate tamper circuit) then it should be very
> possible.
>
> Is 4-wire (I think it is actually 8 core cable I used. would I be
> able
> t  take a couple of spare wires off the PIR outputs?) I'm at page 2
> of 
> Idiots guide t  electronics so I'd struggle with anything other
> than
> simple wiring - but I'd give it a
> go.

        No- you shouldn't do it this way. What you need t do is t operate a small relay (with protection diode) off the PIR contacts  - you can use the 12V supply from the panel t do this (probably). Then you use tw different sets of contacts on the relay, one t go back to the alarm panel and one t your Home Automation controller eg HomeVision. This way the circuits are isolated from each other and also you can mount the relay in the panel enclosure preserving tamper security. The tamper wires stay connected t the PIR. The wires t your HA controller are isolated from the panel and hence can't be used t compromise security. If we need t go this way I can talk you through it. An output method would be tidier.

>
> There are tw  programmable outputs
> for "2 programmable outputs,
> programmed as shock sensor reset,
> exit/entry follow, 24Hr Latch, walk
> test, PIR Set Latch, and armed and
> ready." Any idea what this means!!

        These sound pre set options t me - probably no use for this application although the entry/exit following might provide one output for you and the armed output could be used so you know from your HA setup when the security system is set.

>
> There is a separate relay interface
> presumably for switching heavy
> load sounders or something
> clever.

       

        These relays are also outputs and ideal because they provide isolated (volts free) outputs. You can achieve this also with Opt isolators on ordinary voltage style outputs. This is ideal because it allows you to interface t your chosen HA controller without any interaction problems and stops you damaging the panel if you d anything wrong. If the panel can provide the 'zone following' or 'linking' from a PIR these would be ideal - how many PIR's do you want t monitor and how many relay outputs are available ?- is an expansion relay board or output board available ?- you will need one relay / output per PIR.

        Hope you can get the info from Scantronic that you need -      

       

        Kevin

>

--

____________________________________
Automated Home UK
http://www.automatedhome.co.uk
____________________________________

Your use of Yahoo! Groups is subject t  the Yahoo! Terms of Service.