Glossary
NI 7350 User Manual G-2 ni.com
Axis <1..8> Inhibit Axis 1 through 8 inhibit output.
Axis <1..8> Reverse
Limit Input
Axis 1 through 8 reverse limit input.
Axis <1..8> Step (CW) Axis 1 through 8 stepper pulse output or clockwise direction control.
B
b bit—One binary digit, either 0 or 1.
base address Memory address that serves as the starting address for programmable or
I/O bus registers. All other addresses are located by adding to the base
address.
binary A number system with a base of 2.
bit The smallest unit of memory, or the smallest unit of data used in a digital
operation; a contraction of binary and digit. A bit can assume values of 0 to
1 (off or on).
buffer Temporary storage for acquired or generated data (software).
bus The group of conductors that interconnect individual circuitry in a
computer. Typically, a bus is the expansion vehicle to which I/O or other
devices areconnected.
C
CCW counterclockwise—Implies direction of motor rotation.
closed-loop A motion system that uses a feedback device to provide position and
velocity data for status reporting and accurately controlling position and
velocity.
common Reference signal for digital I/O.
CPU central processing unit
crosstalk An unwanted signal on one channel due to an input on a different channel.
CSR communications status register
CW clockwise—Implies direction of motor rotation.