VXI VT1433B User Manual

Page 195

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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

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