Chapter 1
Introduction
©
National Instruments Corporation
1-17
VXI-SC-1102 User Manual
DAQ devices because it lets multiple devices operate at their peak
performance.
NI-DAQ maintains a consistent software interface among its different
versions so that you can change platforms with minimal modifications
to your code.
VXI
plug&play
Instrument Driver
National Instruments distributes VXIplug&play instrument drivers free
of charge. VXIplug&play instrument drivers are one level above the
NI-DAQ device driver and contain high-level software functions whose
architecture is specified by the VXIplug&play Systems Alliance. The
VXIplug&play standards increase interoperability with other vendors,
and ensure that drivers are designed and presented in a consistent
fashion that facilitates ease of use. Refer to Figure 1-2 to see the
relationship between your software components.
Figure 1-2.
The Relationship between the Programming Environment, Your
Instrument Driver, and Your VXI-DAQ Hardware
ComponentWorks,
LabVIEW, LabWindows/CVI,
or VirtualBench
VXI
plug&play
Instrument Driver
NI-DAQ Driver Software
VISA
VXI-DAQ Hardware
Other Application
Development Environments
01Title.book : 05Ch1.frm Page 17 Friday, March 21, 1997 3:40 PM