Addressable fire alarm systems are the cousins to the conventional type. They are traditionally used for complex projects or large buildings. Nevertheless, with technological advancement, they have become more affordable and are used more frequently on smaller sites as well.
As the name states, each device in the system has an “address”. In other words, each detector, call point, interface, sounder and beacon are connected directly to the control panel. When the alarm is triggered, the controller can pinpoint the location where the fire is detected, or where the device is triggered.
Most addressable fire alarm control panel has a built-in display for event log. The detector can also report a smoke concentration value to the main panel. In some models, the detectors can adjust their sensitivity according to the environment or time of the day.
Sometimes advanced features could be set up to conduct fire analysis.
So in short, here the pros and cons of each type of alarm system: