National Instruments NI-Motion - Manual (Page 290)

Glossary
NI-Motion User Manual G-2 ni.com
binary Number system with a base of 2.
buffer Temporary storage for acquired or generated data.
bus Group of conductors that interconnect individual circuitry in a computer.
Typically, a bus is the expansion vehicle to which I/O or other devices are
connected.
byte Eight related bits of data, an 8-bit binary number. Also used to denote the
amount of memory required to store 1 byte of data.
C
CCW counter-clockwise—Implies the direction the motor rotates in.
closed-loop Motion control system that uses a feedback device to provide position and
velocity data for status reporting and accurately controlling position and
velocity.
CPU central processing unit
CSR communications status register
CW clockwise—Implies the direction the motor rotates in.
D
DAC digital-to-analog converter
data acquisition The process of collecting and measuring electrical signals from sensors,
transducers, and test probes or fixtures and inputting them to a computer for
processing.
digital I/O port Group of digital input/output signals.
DLL dynamic link library—Provides the API for the motion control devices.
drive Electronic signal amplifier that converts motor control command signals
into higher-voltage signals suitable for driving motors.
driver Software that communicates commands to control a specific motion control
device.