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register-based VXI device
Register-based devices communicate with the VXI Bus by way of registers. They
must be programmed with low-level binary commands but they can communicate
faster than message-based devices. The VT1432A and VT1433B are
register-based VXI devices.
registers
Memory locations in the hardware of a VXI module which can be used to
program the module at a low level.
RPM
Revolutions Per Minute.
ROM
Read-Only Memory
SCA
Signal Conditioning Assembly. An example is the 4-channel input assemblies
used in the VT1432A (also called Vibrato).
sample rate
The rate at which the measurement data is sampled. For the VT1432A, the
sample rate is 2.56 times the frequency span. Sample rate is abbreviated “Fs”
(for “sample Frequency”).
settling
When settling, the digital filter waits a designated number samples before
outputting any data.
SFP
see Soft Front Panel
shared memory
Memory locations in both a VXI module and in a host or controller which are
shared and can be used to transmit data between the host and module.
slot 0 commander
The module which occupies the left-most slot in a VXI mainframe. It supplies
important signals for the rest of the system.
SMB
Sub-Miniature “B”; a type of connector.
VT1433B User's Guide
Glossary
G-5