04-09-2025, 08:27 AM
(04-09-2025, 05:58 AM)jaydubnz Wrote: I have PIR sensors all over the house connected to an old alarm system. The voltage on the NO contacts are between 1.5v to 3v, which I think is too low for the digital inputs 1 to 16 to register as ON.
The inputs are dry-contact, there shouldn't be any voltage on them. Do the sensors have EOL resistors which could be presenting a voltage on the input?

