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Este corecta schema?


Guest knauf75

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Cand nu ai miscare in zona PIR-urilor acestea au contactele inchise (NC) astfel ca releul este alimentat si sirena suna deoarece e conectata pe NO (devine close cand releul e alimentat). Deci pune sirena pe NC, adica cand unul din senzori detecteaza miscarea releul ramane fara akimentare si releul decupleaza.

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