The purpose of an alarm system (annunciator) is to bring attention to an abnormal or unsafe operating condition in the plant. Traditional annunciators used discrete alarm modules for this purpose.
What are some of the uses for an annunciator?
An annunciator panel, also known in some aircraft as the Centralized Warning Panel (CWP) or Caution Advisory Panel (CAP), is a group of lights used as a central indicator of status of equipment or systems in an aircraft, industrial process, building or other installation.
What is an annunciator electrical?
In electrical and electronics systems, the word Annunciator means a device which announces the faults or unusual activities coming from the system or process associated with it.
What are the different types of annunciator?
There are two basic annunciator types, alarm and alarm/trouble, each with its own expander module.
What are annunciators in fire alarm system?
A fire alarm annunciator is the component of the fire alarm system that displays the status of the fire alarm system using visible and audible indicators. The remote annunciator notifies the facility staff and other people in the building that the fire alarm has detected a fire, smoky condition or system problem.
What is window annunciator?
Annunciator Panel is a device that consists of a number of visible signals such as “flags” or lamps indicating the status of an alarm system or systems. Each circuit is usually labeled to identify the location and condition being monitored.
What is an annunciator switch?
Tattletale annunciators and magnetic switches are the nerve centers that translate Swichgage contact operations into decisions and operate the alarm or shutdown device. They are the electrical load carrying devices for the alarm or shutdown device.
What is a drop annunciator?
Annunciator, Gravity Drop. An annunciator whose operations release shutters which fall by gravity.
What is an elevator annunciator?
An electrical device that indicates the elevator landings where call buttons have been pressed.
What is the difference between an annunciator panel and a fire alarm control panel?
The “brains” of the fire alarm system is the main control panel, which can be installed at the front entrance to a building, or in an electrical room. If the panel is installed in a secure room – such as an electrical room, there will typically be a small panel known as an annunciator at the front entrance.
How does annunciator panel work?
How the Annunciator Panel Works. Each element of your building’s fire alarm system, from the smoke, heat, or fire detectors to the manual pull down stations and water flow alarm devices, relays information to the annunciator panel.
Where should a fire alarm control panel be located?
In other than high-rise buildings, the fire alarm control panel shall be located either in the main lobby at the entrance to the building or in a room such as a utility closet, electrical room or tele- phone room. The panel shall be protected against unauthorized access.
What is a central station alarm system?
A central station burglar alarm system is one in which the operation of protection devices and circuits is automatically signaled to a commercial agency, called a central station, whose sole purpose is to provide protective services to subscribers.
What is a graphic annunciator?
A Graphic Annunciator is a piece of Fire Alarm Equipment, which shows the Fire Alarm device location, within the floor layout. It provides the fireman with quick information, as the Graphic Annunciator illustrates the exact location of the alarm, thereby, increasing the Fireman’s response time.
