What does an annunciator do?
In industrial process control, an annunciator panel is a system to alert operators of alarm conditions in the plant. In one common alarm sequence, the light in a window will flash and a bell or horn will sound to attract the operator’s attention when the alarm condition is detected.
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 type of device is an annunciator?
Process alarm switches may be used to trigger a special type of indicator device known as an annunciator. An annunciator is an array of indicator lights and associated circuitry designed to secure a human operator’s attention by blinking and sounding an audible buzzer when a process changes into an abnormal state.
Where is the annunciator panel usually located?
Annunciator Panel – When required, the fire alarm annunciator panel shall be located just inside the door most accessible to the fire department.
What does annunciator mean?
: one that annunciates specifically : a usually electrically controlled signal board or indicator.
What is a network annunciator?
Provides access to fire alarm and evacuation system information or network-wide control. The NCA-2 is an intuitive 640-character display used to present event information from the network.
What is remote annunciator panel?
Remote Annunciator Panels are dedicated purpose transponders that support fire alarm system status information. Typical use is when the host fire alarm control panel is located away from the area where those responding to a fire situation need status information.
What is an annunciator panel on a fire alarm?
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. A fire alarm annunciator is commonly called a remote annunciator and is located in an area of the building separate from the FACP.
What is the meaning of word Earthling?
An earthling is someone who lives on the planet Earth. In science fiction books and movies, people are called earthlings to distinguish them from aliens. You’re most likely to come across the word earthling in fiction, since we more often refer to ourselves as “people” or “humans,” assuming that we are all from Earth.
What is annunciator relay?
Annunciator relays are used to indicate dangerous states and operating states in control rooms, on control panels, and in mimic diagrams. The annunciator relays from Phoenix Contact feature a convenient display area and ensure reliable operation thanks to their robust construction.
What is a generator annunciator panel?
An annunciator panel enables the operational status and parameters of the generator system to be sent to another location remote from the generator location. The annunciator panel can be hard-wired to a control room and via an Ethernet connection transmitted remotely to a remote computer.
What does anthropoid mean in English?
resembling a human being
With its suffix -oid, meaning “resembling”, the word anthropoid means literally “resembling a human being”. Anthropoid apes are so called because they resemble humans more closely than do other primates such as monkeys and lemurs.