Programming instructions

Glossary
LabVIEW Data Acquisition Basics Manual G-14
©
National Instruments Corporation
.
single-ended inputs Analog inputs that you measure with respect to a common ground.
software trigger A programmed event that triggers an event such as data acquisition.
software triggering A method of triggering in which you to simulate an analog trigger using
software.
Also called
conditional retrieval.
SOURCE input pin An counter input pin where the counter counts the signal transitions.
STC System Timing Controller.
strain gauge A thin conductor, which is attached to a material, that detects stress or
vibrations in that material.
subVI VI used in the block diagram of another VI; comparable to a subroutine.
switchless device Devices that do not require dip switches or jumpers to configure resources
on the devices.
Also called
Plug and Play devices.
syntax The set of rules to which statements must conform in a particular
programming language.
T
task A timed I/O operation using a particular group.
See
task ID.
task ID A number generated by LabVIEW, which identifies to the NI-DAQ drive
the task at hand.
The following table gives the function code definitions.
Function Code I/O Operation
1 analog input
2 analog output
3 digital port I/O
4 digital group I/O
5 counter/timer I/O