Re: home owner needs advice

["ABLE1" <nospamhere@xxxxxxxxxxx>]

"CalT" <calT@xxxxxxxxxxxxxxx> wrote in message
news:XnsA1CC6BE0B3CFBsamnonenet@xxxxxxxxxxxxxxxxx
> "ABLE1" <nospamhere@xxxxxxxxxxx> wrote in
> news:gBpot.41720$d9.15067@xxxxxxxxxxxxxxxxxxxxxxxxxxx:
>
>>
>> "CalT" <calT@xxxxxxxxxxxxxxx> wrote in message
>> news:XnsA1CC62B833B83samnonenet@xxxxxxxxxxxxxxxxxx
>>>I have some Optex Annunciators protecting my rear laundry room
>>> entrances.
>>>
>>> http://www.optexamerica.com/security-products/rctd-20u
>>>
>>> I need a siren to be tripped by this to scare any burglar or
>>> whomever away before they continue on into my home.  In the Optex
>>> manual it says:
>>>
>>> "Terminal Connection:  Any device with a zero voltage input
>>> terminal can be connected to this terminal.  This may include
>>> electronic locks, emergency sounding devices, and automatic
>>> reporting equipment."
>>>
>>> I do not understand the term "zero voltage input terminal".
>>>
>>> When the Optex triggers on movement it senses and the NO
>>> terminals close, how can they activate any relay or whatever if
>>> the terminals cannot have a voltage applied or current running
>>> through them?
>>>
>>> Somewhere I am not understanding something here.  I am used to
>>> hooking up relays in my screwing around over the years, but this
>>> has me baffled.
>>>
>>
>> Well un-baffle yourself.
>>
>> The contacts are just "dry contacts"  aka   no voltage.  You can
>> apply a voltage to the C(Common) Terminal and when tripped the
>> voltage will be applied to the NO(Normally Open) terminal.  Or
>> voltage will be removed from the NC(Normally Closed)
>>
>> Just be advised that the contacts are only rated at 1 amp @ 50vac
>> and 24vdc. More than that you will need a slave relay to handle
>> heavier loads.  Make sure you check the specs of the device you
>> are connecting to before you become unhappy with yourself.  :-)
>>
>> Hope that helps.
>>
>> Les
>>
>>
>
> That explanation I understand.  :o)
>
> This is exactly what I needed to know.  I can not setup a relay
> system for an alarm.
>
> I might explain that I have to use something simple like the Optex
> deal because my wife wants no part of zones or codes or anything
> like it would take for a real alarm system. I have many Optex
> receivers and two or three transmitters coded to each one of them.
> The receivers are all plugged into power strips that are controlled
> by a single wireless remote control power outlet.  All my wife has
> to do is press the on/off button on the key pad to
> activate/deactivate all the Optex Annunciators. It's Rube Goldberg
> at his best, but it's better than no alarms at all. These things
> never have false alarmed after setting the proper beam pattern.
>
> Thanks again for answering ABLE1.


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