Detection, notification & suppression — how life-safety systems detect fire and alert occupants.
Trigger a fire alarm recall at the designated or an alternate landing and watch a single elevator car, controller and recall relays sequence Phase I recall.
Heat a thermistor sensing element and compare fixed-temperature against filtered rate-of-rise alarm decisions.
Follow an addressed detector's event through a supervised SLC, panel processing and alarm memory to a notification command.
Command an addressable relay to release a magnetic fire-door holder and verify the physical door response with independent position feedback.
Wire a 3-appliance radial NAC, inject open/short faults and read live voltage drop and end-of-line supervision.
Poll 6 addressed devices on a return-loop or radial SLC and see which survive an open, short or duplicate address.
Watch an off-axis photoelectric chamber fill with smoke and qualify a signal into a latched alarm.
Command a motorized exhaust damper and fan starter with open/airflow proof, jam faults, and check the model against a built-in verification suite.
Deflect a vane switch with riser flow, tune retard time and threshold, reject transients, and latch a panel alarm.