Glossary
SC-2345/2350 Carrier User Manual
G-4
ni.com
F
F
c
frequency cutoff
filtering
a type of signal conditioning that allows you to filter unwanted signals from
the signal you are trying to measure
FREQ OUT
frequency output signal
G
g
a unit of acceleration equal to 9.80 m/s
2
gain
the factor by which a signal is amplified, sometimes expressed in decibels
H
h
hour
hardware
the physical components of a computer system, such as the circuit boards,
plug-in boards, chassis, enclosures, peripherals, cables, and so on
Hz
hertz—the number of scans read or updates written per second
I
I/O
input/output—the transfer of data to/from a computer system involving
communications channels, operator interface devices, and/or data
acquisition and control interfaces
IEEE P1451
family of IEEE standards defining a variety of smart transducer interfaces.
All of the standards within this family support the concept of a TEDS, that
provides self-identification and plug and play operation to transducers.
IEEE P1451.4
an IEEE standard that defines the concept of plug-and-play sensors with
analog signals. This is accomplished with the addition of a TEDS in
memory, typically an EEPROM, embedded within the sensor and
communicated through a simple, low-cost serial connection.