National Instruments PXI PXI-1006 用户手册
Glossary
G-4
ni.com
R
RH
Relative humidity
RMS
Root mean square. A method used to measure electrical output in volts and
watts
watts
S
s
Seconds
ST
Star Trigger
Star Trigger slot
This slot is located at slot 2 and has a dedicated trigger line between each
peripheral slot. Use this slot for a module with ST functionality that can
provide individual triggers to all other peripherals.
peripheral slot. Use this slot for a module with ST functionality that can
provide individual triggers to all other peripherals.
System controller
A module configured for installation in Slot 0 of a VXIbus mainframe. This
device is unique in the VXIbus system in that it performs the VMEbus
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 VXIbus backplane, or both.
device is unique in the VXIbus system in that it performs the VMEbus
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 VXIbus backplane, or both.
U
UL
Underwriter’s Laboratories
V
V
Volts
VAC
Volts alternating current
V
PP
Peak to peak voltage
W
W
Watts