National Instruments Module NI PXI-8250 - Manual (Page 36)

Glossary
© National Instruments Corporation G-5 NI PXI-8250 User Manual
R
RMS Root Mean Square
RPM revolutions per minute—units for velocity
S
s seconds
self-resetting fuse A fuse that acts as an open circuit only when current is overdrawn. Once
the overdraw ends the fuse returns to normal closed circuit operation.
system controller A module configured for installation in slot 1 of a PXI chassis. This device
is unique in the PXI system in that it performs the system controller
functions, including clock sourcing and arbitration for data transfers across
the backplane. Installing such a device into any other slot can damage the
device, the PXI backplane, or both.
U
UL Underwriter’s Laboratories
V
V volts
W
W watts