
Glossary
DAQ Hardware Overview Guide G-8 www.ni.com
M
MB megabytes of memory
MIO multifunction I/O
MS million samples
multiplexed mode an SCXI operating mode in which analog input channels are multiplexed
into one module output so that your cabled DAQ device has access to the
module’s multiplexed output as well as the outputs on all other multiplexed
modules in the chassis through the SCXI bus. Also called serial mode.
mux Multiplexer; a switching device with multiple inputs that sequentially
connects each of its inputs to its output, typically at high speeds, in order to
measure several signals with a single analog input channel.
N
NBS National Bureau of Standards
NC Normally Closed
NIVDMAD National Instruments Virtual DMA Driver
NIVISRD National Instruments Virtual Interrupt Service Routine Driver.
NO normally open
NRSE Nonreferenced single-ended mode. All measurements are made with
respect to a common (NRSE) measurement system reference, but the
voltage at this reference can vary with respect to the measurement system
ground.
O
output settling time The amount of time required for the analog output voltage to reach its final
value within specified limits.
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