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Controller with 8MBps speed

Posted: 11 Apr 2005 ?? ?Print Version ?Bookmark and Share

Keywords:national instruments? usb-to-gpib controller? usb? ni? gpib-usb-hs?

National Instruments (NI) unveiled what it claims as the industry's fastest USB-to-GPIB controller. According to the company, engineers and scientists can now use the latest USB standard, USB 2.0 high-speed, to control GPIB instruments at transfer rates of up to 8MBps (64Mbps).

The GPIB-USB-HS controller incorporates an NI TNT GPIB ASIC and a USB 2.0 high-speed chip to achieve GPIB transfer rates comparable to those of the high-performance NI PCI-GPIB plug-in board. With GPIB transfer rates of up to 1.8MBps (14.4Mbps) in standard IEEE 488.1, and 8MBps (64Mbps) in high-speed IEEE 488.1 (HS488), the NI GPIB-USB-HS provides a 2x performance improvement over existing USB-to-GPIB controllers, added NI.

"With the increasing popularity and ubiquity of the USB, engineers now can take advantage of the latest USB 2.0 high-speed bus technology to communicate with the millions of GPIB instruments worldwide without sacrificing performance," commented Dany Cheij, NI instrument control product manager.

With the GPIB-USB-HS, engineers can run existing GPIB applications without modifying their code because the controller uses the NI-488.2 and Virtual Instrument Software Architecture (VISA) APIs. The controller comes with NI-488.2 and NI-VISA driver software for Windows 2000/XP, and works with NI LabVIEW, LabWindows/CVI (ANSI C) and Measurement Studio for Visual Studio (Visual Basic/C/C++/C#) through the NI-VISA and NI-488.2 driver software.

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