Re: Behavior of Disconnecting Keypad From Ademco 128BP Panel?

["petem" <petem001@xxxxxxxxx>]

"Mark Leuck" <m..leuck@xxxxxxxxxxx> a écrit dans le message de news:
HrednaTRzsNwRUjfRVn-gg@xxxxxxxxxxxxxx
>
> "petem" <petem001@xxxxxxxxx> wrote in message
> news:A7%Ae.77073$8v3.1535728@xxxxxxxxxxxxxxxxxxxxxx
>> if the panel loose a keypad it wil react with a trouble condition to the
>> central
>>
>> if you remove power to the keypad(red wire) it will not react anymore...
>>
>> the keypad become active after power up in a few second max...
>> and the trouble clear right away..
>>
>> thats what i seen with any ademco/first alert panel that have keypad with
>> adress on the bus
>
> I'm not exactly sure the 128 or any other high end Ademco panel really
> supervises the keypads, one of the big reasons why they enable keypads
> like
> they do is because of the slow keypad bus. ie: the more keypads enabled
> the
> slower the response is on each keypad.
>
> At least that's the reasoning why they do it with the 15P/20P which are
> cut-down Vista-50P's, depending on the panel by default the first 2 or 3
> keypads are enabled out of the box and don't affect the panel if just one
> is
> installed.
>
Well the fa 148/168 come with only 1 keypad(16) enabled...
the 128 if i am not crazy only 32 in enabled..