12
Introduction to Programming X-Series Applications
VISA Driver Options
With IVI drivers you do not need to have in-depth test instrument knowledge to develop sophisticated measurement
software.
Keysight supports IVI Drivers for the following architectures:
• IVI-COM Drivers are based on the Microsoft Component Object Model (COM) technology, offering the seamless
integration in all environments that is generally associated with COM.
• IVI-C Drivers are based on C-language shared libraries, and are intended to cater to National Instruments
LabWindows/CVI.
IVI driver download packages for X-Series instruments can be found at the URL:
http://www.keysight.com/find/sa-ivi
Note that the Keysight I/O Libraries Suite must be installed and the hardware interface must be configured, before
installing the IVI Drivers.
IVI Shared Components are required by all IVI-COM and IVI-C drivers. IVI Shared Components are automatically installed
when you install the Keysight IO Libraries Suite.
VISA Driver Options
Keysight I/O Libraries Suite is a collection of libraries, Application Programming Interfaces (APIs) and utility programs. The
I/O libraries (SICL, VISA, and VISA COM) enable instrument communication for a variety of development environments
(Keysight VEE Pro, Microsoft Visual Studio, etc.) that are compatible with GPIB, USB, LAN, RS-232, PXI, AXIe, and VXI test
instruments from a variety of manufacturers.
The suite’s utility programs help you quickly and easily connect instruments to a computer.
The Keysight IO Libraries Suite includes the following libraries:
Item Library Name Documentation Location & Notes
1
Keysight Virtual Instrument Software Architecture (VISA)
1
The VISA API is a programming interface originally developed and
standardized by the VXIplug&play Alliance (now the IVI Foundation) as an
industry-wide standard for communicating with instruments over various
hardware interfaces. The definition includes the standard visa.h header
file for use with C and C++, which provides declarations for the
visa32.dll library.
Additionally, Keysight has developed the header files visa32.cs and
visa32.bas, to permit the VISA DLL to be used with C#.NET and Visual
Basic.NET respectively.
For more information, see the VISA Documentation Help in the Keysight I/O
Libraries Suite.
2
VISA for the Common Object Model (VISA COM)
1
The VISA COM I/O API is a programming interface standardized by the IVI
Foundation for communicating with instruments over various hardware
interfaces.
Keysight Technologies offers an implementation of the VISA COM I/O
standard that is compatible with Keysight hardware as well as computer
standard I/O interfaces. VISA COM I/O is an update of the older VISA C API
to work in and with Microsoft’s COM technology.
For more information, see the VISA COM Help in the Keysight I/O Libraries
Suite.
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