An operator pushes an "ACK" button to silence the horn, while the light changes from flashing to solid-on. Reset: Once the fault is cleared, the light turns off. 3. Key Features & Functions
Monitoring machinery health, tank levels, and process temperatures. annunciator
A field contact opens or closes, sending a signal to the annunciator. An operator pushes an "ACK" button to silence
Accepts normally open (NO) or normally closed (NC) dry contact inputs. Key Features & Functions Monitoring machinery health, tank
Can range from small, 8-window units to large, networked systems with 48+ windows or digital screens. 4. Common Applications
Displaying which zone or detector has triggered a fire alarm.
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.