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Linux for controlling LXI instruments through VXI-11

Posted: 05 Mar 2009     Print Version  Bookmark and Share

Keywords:Agilent Open  Linux  VXI-11  GPIB 

The move to PC standard I/O interfaces is a key element of Agilent Open, which is a combination of hardware, I/O, and software tools that allow creation, enhancement and maintenance of systems. You can take advantage of this strategy, especially if you are using Linux as the operating system for your test solution, because support for LAN and USB interfaces is built into the operating system. This application note is designed to explain how to control your test instruments under Linux.

VXI-11 is used exclusively if you are accessing GPIB instruments through a LAN-to-GPIB gateway or if you are using a PC as a gateway. However, manynative LAN instruments support both TCP VXI-11 and socket communication.

Which is the better option? Often, it is a matter of preference. However, VXI-11 is the more complex (higher-layer) protocol. Consequently, direct socket communication will provide better performance in many situations, especially if the actual measurement time is short and you conduct many individual transactions.

View the PDF document for more information.

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