Glossary
M Series User Manual G-18 ni.com
terminal An object or region on a node through which data passes.
terminal count The highest value of a counter.
t
gh
Gate hold time.
t
gsu
Gate setup time.
t
gw
Gate pulse width.
Timebase The reference signals for controlling the basic accuracy of time or
frequency-based measurements. For instruments, timebase refers to the
accuracy of the internal clock.
t
out
Output delay time.
Traditional NI-DAQ
(Legacy)
An upgrade to the earlier version of NI-DAQ. Traditional NI-DAQ
(Legacy) has the same VIs and functions and works the same way as
NI-DAQ 6.9.x. You can use both Traditional NI-DAQ (Legacy) and
NI-DAQmx on the same computer, which is not possible with
NI-DAQ 6.9.x.
transducer A device that responds to a physical stimulus (heat, light, sound, pressure,
motion, flow, and so on), and produces a corresponding electrical signal.
See also sensor.
trigger 1. Any event that causes or starts some form of data capture.
2. An external stimulus that initiates one or more instrument functions.
Trigger stimuli include a front panel button, an external input voltage
pulse, or a bus trigger command. The trigger may also be derived from
attributes of the actual signal to be acquired, such as the level and slope
of the signal.
t
sc
Source clock period.
t
sp
Source pulse width.
TTL Transistor-Transistor Logic—A digital circuit composed of bipolar
transistors wired in a certain manner. A typical medium-speed digital
technology. Nominal TTL logic levels are 0 and 5 V.
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