PXI Express switches increase testing flexibility
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National Instruments product story
Edited by the Engineeringtalk editorial team
Jun 5, 2009
National Instruments has brought out six switch modules featuring options for high-density matrices, multiplexers, general-purpose relays and RF applications.
The NI PXIe-2527, PXIe-2529, PXIe-2532, PXIe-2569, PXIe-2575 and PXIe-2593 switches, also available in PXI versions, can be placed in closer proximity to PXI Express instruments for improved system cabling and connectivity, which increases test-system flexibility.
In particular, high-throughput applications such as high-speed data streaming and RF record and playback, which benefit from the 1GB/s dedicated per-slot bandwidth from PXI Express, can gain improved connectivity from these new switch modules.
Test engineers can now choose from more than 100 switch topologies for increased equipment reuse and system scalability with the PXI platform, including PXI and PXI Express.
The new PXI Express switches include offerings for matrices, multiplexers and general-purpose relays.
Matrices provide simplified wiring and are the most versatile type of switch; multiplexers help increase channel counts of a single instrument while reducing instrumentation costs; and general-purpose relays are often used to turn devices on and off.
The NI PXIe-2527 is a 32-channel (two-wire) 300V multiplexer switch; the NI PXIe-2529 is a 128-crosspoint matrix switch; the NI PXIe-2532 is a 512-crosspoint matrix switch; the NI PXIe-2569 is a 100-channel, general-purpose SPST relay; the NI PXIe-2575 is a 196-channel multiplexer switch; and the NI PXIe-2593 is a 16-channel, 500MHz RF multiplexer/matrix.
With their range of densities, these switches can be used in a wide array of applications, from RF tests to high-voltage industrial and general-purpose automated tests, and in several industries including automotive and military/aerospace.
By developing switching systems with the PXI platform, test engineers can integrate and synchronise their switches and measurements through the PXI trigger backplane while providing low-cost channel expansion.
All PXI modules, including the new PXI Express switches, are compatible with the NI Labview graphical-development software and the NI Labwindows/CVI ANSI C development environment.
Complex or high-channel switching systems can benefit from the accelerated development and simplified maintenance of NI Switch Executive intelligent switch-management software, which reduces testing costs.
Readers should visit National Instruments's website for more information on the PXI Express switches.
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Contact National Instruments
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