Annunciator

It gives operators an at-a-glance status of equipment, allowing quick identification of issues before they escalate.

An annunciator is a centralized monitoring system—visual, audible, or both—designed to provide immediate alerts about abnormal conditions, faults, or status changes in industrial processes, electrical systems, or fire safety networks. annunciator

Standardized logic (like ISA-18.1-1979) defines how the light flashes and how the buzzer behaves. It gives operators an at-a-glance status of equipment,

Displaying which zone or detector has triggered a fire alarm. or status changes in industrial processes