National Instruments 7344 Series User Manual page 57

Glossary
D
DAC
DC
dedicated
DGND
digital I/O port
DIP
DLL
drivers
DSP
E
encoder
encoder resolution
F
f
FIFO
filtering
filter parameters
flash ROM
7344/7334 Hardware User Manual
Digital-to-Analog Converter
direct current
assigned to a particular function
digital ground signal
a group of digital input/output signals
dual inline package
dynamic link library—provides the API for the motion control boards
software that communicates commands to control a specific motion control
board
Digital Signal Processor
device that translates mechanical motion into electrical signals; used for
monitoring position or velocity in a closed-loop system
the number of encoder lines between consecutive encoder indexes (marker
or Z-bit). If the encoder does not have an index output the encoder
resolution can be referred to as lines per revolution.
farad
First-In, First-Out
a type of signal conditioning that filters unwanted signals from the signal
being measured
indicates the control loop parameter gains (PID gains) for a given axis
a type of electrically reprogrammable read-only memory
G-4 ni.com