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National Instruments 6527 User Manual

Page 43

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Glossary

© National Instruments Corporation

G-3

6527 User Manual

I

I/O

input/output

in.

inches

isolation

signal conditioning to break ground loops and reject high common-mode
voltages to protect equipment and users and to ensure accurate
measurements

L

LED

light-emitting diode

M

m

meters

max

maximum

MOSFET

metal-oxide semiconductor field-effect transistor

O

optical isolation

the technique of using an optocoupler to transfer data without electrical
continuity, to eliminate high-potential differences and transients

optocoupler

a device that transfers electrical signals by utilizing light waves to provide
coupling with electrical isolation between input and output

P

PCI

Peripheral Component Interconnect—a high-performance expansion bus
architecture originally developed by Intel to replace ISA and EISA.

port

a digital port, consisting of four or eight lines of digital input and/or output

PXI

PCI eXtensions for Instrumentation—an open specification that builds on
the CompactPCI specification by adding instrumentation-specific features