12
FS20X Fire and Flame Detectors
Glossary
Term Meaning
algorithm a computational procedure
cycling power turning the detector off and then powering it up again
DSP digital signal processing
end-to-end test the complete system, from detection through suppression, is tested
FireBusII
communications protocol used for transmitting data from a detector to
a Windows-based computer
FirePic
retrievable pre-fire data storage protocol, used for analysis and pos-
tulation of the cause of a fire
frequency domain signal analysis based on frequency instead of time
IR
infrared; the wavelengths of light from approximately 700 nanometers
to 1 millimeter
Modbus a serial communication protocol
nanometer
unit of measure equal to one one-billionth (10
-9
) of a meter; desig-
nated nm
NC normally closed (electrical short circuit, by default)
NO normally open (electrical open circuit, by default)
non-volatile flash
memory
data stored on a chip that is not lost when the detector’s power is
cycled.
micron
unit of measure equal to one one-millionth (10
-6
) of a meter and 1000
nanometers; designated μm
RAM random access memory or read and write memory
ROM read-only memory
real-time
near-instantaneous analysis and response by a device, usually mea-
sured in milliseconds or microseconds
self-test
a test of all of a system’s components, performed automatically on
start-up and periodically during normal operation
time domain signal analysis based on time
through-the-window
remote testing
testing a detector with a test lamp
UV
ultraviolet; the wavelengths of light from approximately 10 nanome-
ters to 400 nanometers.
wideband a broad range of wavelengths within the infrared spectrum
To Next Page
Loading...
