Glossary
Static DIO Register-Level Programmer Manual
G-2
ni.com
I
isolation
signal conditioning to break ground loops and reject high common-mode
voltages to protect equipment and users and to ensure accurate
measurements
L
LSB
least significant bit
M
MSB
most significant bit
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 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
