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dry contact activation of controller

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keepsafesystems.ca

New Member

Posts: 3

1

Wednesday, April 25th 2007, 6:14am

dry contact activation of controller

I own an alarm company in Vancouver British Columbia. I was just looking at my webstats and noticed someone was looking for a motion detector that activated a sprinkler system. My mind quickly starting picturing a soaking wet crackhead running away from the scene of a potential crime. After all, water drastically reduces the re-sale value of a flat screen monitor.

It seems like a fairly easy concept, connect an alarm output to a dry contact input. Is there such a beast in the water world that would accept a dry contact input to trigger a zone of sprinklers? This could be really fun.[:D]

Cheers,

Heinz

Keepsafe systems installs services and provides alarm monitoring services for security alarm systems in the Vancouver area of the Lower Mainland Fraser Valley British Columbia.
visit us online at www.keepsafesystems.ca

Wet_Boots

Supreme Member

Posts: 3,598

Location: Metro NYC

2

Wednesday, April 25th 2007, 8:01am

There already are motion-activated sprinklers. Strictly a hose-end product, to deter animals. No reason they won't work against people. As for controllers accepting motion-sensor input to 'command' watering, I expect it isn't practical, from an economic standpoint. The very-low-power circuitry of a sprinkler controller doesn't easily allow for much in the way of inputs.

keepsafesystems.ca

New Member

Posts: 3

3

Wednesday, April 25th 2007, 9:13am

There really shouldn't be any more of a current demand on the system. All detection would be external, just another way of activating the flow. I guess it hasn't really come up in the past. Interesting to know about the hose end products.
Keepsafe systems installs services and provides alarm monitoring services for security alarm systems in the Vancouver area of the Lower Mainland Fraser Valley British Columbia.
visit us online at www.keepsafesystems.ca

Wet_Boots

Supreme Member

Posts: 3,598

Location: Metro NYC

4

Wednesday, April 25th 2007, 1:38pm

Current demand is immaterial. Exposure of very-low-power controller circuitry to external wiring is problematical, as anyone trying to extend the length of a Hunter SRR connector can attest to. No reason that someone can't manufacture such a controller, that would accept sensor 'commands' - but economics argue against it. Figure that this would be something for the 'home automation' type of electronics.

keepsafesystems.ca

New Member

Posts: 3

5

Thursday, May 31st 2007, 5:51am

I hate it when people do that
Keepsafe systems installs services and provides alarm monitoring services for security alarm systems in the Vancouver area of the Lower Mainland Fraser Valley British Columbia.
visit us online at www.keepsafesystems.ca
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