Smoke and Fire Alarm System

Brief Description

Smoke and Fire Alarm System based on Americium-241 ionization smoke detector-1412B manufactured by System Sensor. Presently three detectors are located at each antenna, two inside the shell (one above the Servo control rack and another above IF system rack) and one above the Main electrical distribution panel out side the shell. In case of any fire or smoke detected by any of the three sensors it breaks the electrical loop thereby triggering the electric siren located in the antenna tower.  Simultaneously the status is transmitted to the Control Room through the Telemetry system.


Block Diagram


Circuit Diagram











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