Yah, I see what you mean.
| > | >>I did a quick scan of the manual and didn't see any zone type that that | > | >>used 2 triggers to alarm, but my reading wasn't real complete. I suppose | > | >>I could put in 2 detectors in a NO loop to effectively AND the signals. | > | >>The downside is the on time of about 3 seconds would require the | > | >>detectee to move through both detectors at about the same time. Thanks | > | >>for the idea, I will look into using a small microprocessor to do what | > | >>you suggest to combine multiple sensors with a time window. | > | >>
| > | >> -Bill- | > | >>
| > | >>
| > | >>Crash Gordon® wrote: | > | >>
| > | >>>I believe the 20P can use cross-zoning, although I've never done it with this particular panel. You install 2 motion detectors in one area, then program them as cross-zoned with each other. A trip on one will not cause an alarm unless the other one also trips within a certain time frame (usually programmable in the panel). Then with a little creative pir placement you're all set. | > | >>>
| > | >>>
| > | >>>
| > | >>>>Another newbie question here. | > | >>>>
| > | >>>>House is a combo wired/wireless with an Ademco 20P panel. I have a | > | >>>>problem protecting the attached 2 car garage. The main garage door, the | > | >>>>door to the house and the back door are mag contact protected. The | > | >>>>problem is that we have cats and sometimes want to bypass the back door | > | >>>>to let them go in/out while away for a short time. Thus I need some sort | > | >>>>of "space" protection to pick up someone who may enter via the | > | >>>>bypassed/open back door. I first tried an Aurora PIR mounted just below | > | >>>>the open rafters. Unfortunately, with small cats, if they climb into the | > | >>>>rafters, they are close (and hot) enough to simulate a 40lb critter. I | > | >>>>pulled the Ademco and replaced it with a microwave/PIR combo unit. Much | > | >>>>better but still managed to false once. I guess I could be very careful | > | >>>>in locating the PIR and masking out the usual location that the cats | > | >>>>might be in, but I am hoping one of the pros can suggest a more | > | >>>>cat-proof volume protection sensor. | > | >>>>
| > | >>>> -Bill- | > | >>>
| > | >>>
| > | > | > | >