Re: Vsita 15P programming question

["Robertm" <Respond@xxxxxxxxxxxxx>]

"Robert L Bass" <robertlbass@xxxxxxxxxxx> wrote in message
news:n-2dnUHoAMXsdqfeRVn-hA@xxxxxxxxxxxxxx
>>> ...In the case of a door contact ...
>>
>> To carry this one step further, then it would mean
>> the EOLR would be in series instead of being in
>> parallel with the last device on the line?
>
> Yes, that is correct.
>
>> If that's the case, then it would make no difference
>> if the EOLR is at the last device or in the can.
>
> No, that is not correct.  If the zone is shorted out between the can and
> the last device and the resistor is at the last device the zone would show
> either a "trouble" or "alarm" state, depending on the arming status of the
> system.  If the same thing were to happen with the EOLR in the can the
> zone would show "normal".
>
> --
>
> Regards,
> Robert L Bass
>
Yes, you are correct. I was thinking the fault would be an open. With only
one device on the line, it's highly unlikely that the wire would somehow
short together in the cable but I suppose anything is possible. Someone
might drive a nail into the wall or a rat might chew into the wire.

Bob