National Instruments PXI-7340, User Manual And Specifications

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Glossary
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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.
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 are connected.
byte Eight related bits of data, an eight-bit binary number. Also used to
denote the amount of memory required to store one byte of data.
C
CCW counter-clockwise—implies direction of rotation of the motor.
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.
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.
D
dedicated Assigned to a particular function.
DGND digital ground signal
digital I/O port a group of digital input/output signals