Translation memories are created by human, but computer aligned, which might cause mistakes. Virtual instrument software architecture wikipedia. Virtual instrument standard architecture visa is a standard defined by keysight formerly agilent technologies and national instruments for communicating with instruments regardless of the interface. The ivi standard defines an open driver architecture, a set of instrument classes, and shared software components. Virtual instrument software architecture how is virtual. Virtual instrument software architecture visa is an industry standard defined by the ivi foundation for communicating with instruments regardless of the interface. Visa stands for virtual instrument software architecture. Open source visa complient virtual instrument software architecture library written in c for linuxunix operating systems to control instruments through serial, gpib. Reply to virtual instrument software architecture visa on sat, 14 jan 2012 01. This document gives an overview of national instruments implementation of the virtual instrument software architecture api, commonly. Visa is an acronym for virtual instrument software architecture.
Visa is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. When installed on a pc, tekvisa provides communication with instruments that are connected to the pc via various communication buses. Some times called a communication driver, visa allows for the development of programs to be bus independent. The virtual instrument software architecture visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial rs232rs485, ethernetlxi, andor usb interfaces. The agilent io libraries suite includes three libraries. The list of acronyms and abbreviations related to visa virtual instrument software architecture. Virtual instrument software architecture data management for visa. Ni visa is an ni instrument driver that is an implementation of the virtual instrument software architecture visa io standard. For example say i have an optical powermeter with two slots, 1 and 2.
A python package with bindings to the virtual instrument software architecture visa library, in order to control measurement devices and test equipment via gpib, rs232, or usb. There are also visa libraries so you can interface with equipment. Virtual instrument software architecture stack overflow. In order to ease this unfortunate situation, the virtual instrument software architecture visa specification was defined in the middle of the 90ies. There are many different protocols, sent over many different interfaces and bus systems gpib, rs232. Aug, 2018 how can i configure several aliases for the same instrument. Virtual instrument software architecture listed as visa. Ni visa the virtual instrument software architecture visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial, ethernet, andor usb interfaces. But lets try to understand what it is and why its talked about so much in test and measurement circles. Looking for online definition of visa or what visa stands for.
I know tektronics has theirs, national instruments has their version too. Virtual instrument software architecture visa is the lower layer of functions in the labview instrument driver that communicates with the. Configuring multiple aliases for a single visa resource name. Nivisa national instruments virtual instrument software architecture 193 were donated in march this month, we are on track to donate 198 home recent additions webmaster page banners feed a child. If you are developing the device itself, consider implementing usbtmc. This guide describes agilent visa for supported windows environments. Download python visa control gpib, usb, serial for free. Visa is a part of the agilent io libraries suite product. This page is about the meanings of the acronymabbreviationshorthand visa in the computing field in general and in the software terminology in particular.
Nivisa is an ni instrument driver that is an implementation of the virtual instrument software architecture visa io standard. Visa virtual instrument software architecture two common forms of visa are available for use with rigol devices. Visa abbreviation stands for virtual instrument system architecture. A pyvisa backend that implements a large part of the virtual instrument software architecture visa in pure python with the help of some nice cross platform libraries python packages. Visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial rs232rs485, ethernetlxi, andor usb interfaces.
The commands to interact with the device usually following the scpi standard are then between the application and the device. Visa virtual instruments software architecture acronymattic. The programming of measurement instruments can be real pain. Virtual instrument software architecture visa qt forum. Visa provides the programming interface between the hardware and development environments. What is the abbreviation for virtual instrument system architecture.
A python package for support of the virtual instrument software architecture visa, in order to control measurement devices and test equipment via gpib, rs232, ethernet or usb. Pyvisa started as wrapper for the nivisa library and therefore you need to install national instruments visa library in your system. Troubleshooting ivi, visa, and the quickcontrol interfaces. The virtual instrument software architecture visa is a standard for configuring, programming, and troubleshooting instrumentation systems comprising gpib, vxi, pxi, serial, ethernet, andor usb interfaces.
Agilent virtual instrument software architecture visa, visa for the common object model visa com, and agilent standard instrument control library sicl. Abbreviation virtual instrument software architecture visa rate. This lxi technology makes system configuration simple using the widelyadopted ethernet with vxi11 instrument discovery, including visa and ivi drivers to. I know the visa virtual instrument software architecture session is the same but the slot is different and logically they are actually two separate instruments. I think the main reason that volker moved it is because while you could use qt with the libraries your question is more geared toward the use of the visa. The visa library has standardized the presentation of its operations over several software reuse mechanisms, including through a c api exposed from windows dll, and. The virtual instrument software architecture, visa, is a standard for configuring, programming, and troubleshooting instrumentation systems.
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