National Instruments VXI-USB User Manual

Page 55

Advertising
background image

Glossary

© National Instruments Corporation

G-7

VXI-USB User Manual

NI-VXI

The National Instruments bus interface software for VME/VXIbus
systems.

Non-Slot 0 device

A device configured for installation in any slot in a VXIbus mainframe
other than Slot 0. Installing such a device into Slot 0 can damage the device,
the VXIbus backplane, or both.

P

PCI

Peripheral Component Interconnect. The PCI bus is a high-performance
32-bit or 64-bit bus with multiplexed address and data lines.

R

register-based device

A Servant-only device that supports VXIbus configuration registers.
Register-based devices are typically controlled by message-based devices
via device-dependent register reads and writes.

Resman

The name of the National Instruments Resource Manager in NI-VXI bus
interface software. See Resource Manager.

Resource Manager

A message-based Commander located at Logical Address 0, which
provides configuration management services such as address map
configuration, Commander and Servant mappings, and self-test and
diagnostic management.

retry

An acknowledge by a destination that signifies that the cycle did not
complete and should be repeated.

RMS

Root mean squared. See

g

RMS

.

S

s

seconds

slave

A functional part of a VME/VXIbus device that detects data transfer cycles
initiated by a VMEbus master and responds to the transfers when the
address specifies one of the device’s registers.

Advertising