National Instruments Welding System 321645c-01 Manual De Usuario
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National Instruments Corporation
G-3
NI-DAQ FRM for PC Compatibles)
Glossary
buffer
temporary storage for acquired or generated data (software)
burst-mode
a high-speed data transfer in which the address of the data is sent followed
by back-to-back data words while a physical signal is asserted
by back-to-back data words while a physical signal is asserted
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. Examples of PC buses are the ISA and PCI bus.
Typically, a bus is the expansion vehicle to which I/O or other devices are
connected. Examples of PC buses are the ISA and PCI bus.
C
C
Celsius
CalDAC
calibration DAC
cascading
process of extending the counting range of a counter chip by connecting to
the next higher counter
the next higher counter
channel
pin or wire lead to which you apply or from which you read the analog or
digital signal. Analog signals can be single-ended or differential. For digital
signals, you group channels to form ports. Ports usually consist of either
four or eight digital channels.
digital signal. Analog signals can be single-ended or differential. For digital
signals, you group channels to form ports. Ports usually consist of either
four or eight digital channels.
channel clock
the clock controlling the time interval between individual channel sampling
within a scan. Boards with simultaneous sampling do not have this clock.
within a scan. Boards with simultaneous sampling do not have this clock.
CI
computing index
clock
hardware component that controls timing for reading from or writing to
groups
groups
counter/timer
a circuit that counts external pulses or clock pulses (timing)
CPU
central processing unit
D
D/A
digital-to-analog
DAC
D/A converter