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National Instruments MXI-Express Delivers PCI Express Control of PXI

  Engineers now can use National Instruments MXI-Express kits for PCI Express control of PXI and CompactPCI systems. PCI Express, an evolution of the PCI bus, is the next-generation PC I/O bus offered as a standard option on most new PCs. With 250 MB/s of dedicated bandwidth available in each direction per lane, PCI Express delivers throughput for both high-speed and high-channel-count applications. Based on PCI Express, MXI-Express delivers real-world sustained bandwidth of up to 110 MB/s to PXI systems, a more than 40 percent increase compared to PCI remote control of PXI with MXI-4. The increased throughput of MXI-Express makes it ideal for applications such as signal intelligence and mixed-signal test in industries including communications, consumer electronics and military/aerospace.

MXI-Express is available in two configurations designed to reduce cost between 33 percent and 40 percent compared to prior-generation solutions. The NI PXI-PCIe8361 kit, starting at $995 USD, includes a PCI Express board with one x1 (“by one”) cabled PCI Express link. This kit, which includes the PCI Express host board, PXI system controller module and cable, represents a 33 percent reduction in the price of PXI remote control compared to prior generation MXI-3 and MXI-4 solutions. The NI PXI-PCIe8362 kit provides two x1 PCI Express links from the host PC, each of which can cable to individual PXI chassis. This gives engineers control of two PXI systems from a single PCI Express slot in the PC, saving both a slot and reducing cost by 40 percent for a two-chassis system.

The MXI-Express link is transparent to software applications and drivers, so industry-standard desktop computers, servers and workstations can control PXI systems with no additional programming. MXI-Express works seamlessly with a variety of NI software including the LabVIEW graphical development environment, NI TestStand test management software, LabWindows/CVI ANSI C development environment and SignalExpress interactive measurement environment. It also works with all PXI modular instruments and data acquisition modules.

About PXI
PCI eXtensions for Instrumentation (PXI) is an open specification governed by the PXI Systems Alliance ( that defines a rugged, CompactPCI-based platform optimized for test, measurement and control. It is supported by more than 65 member companies and more than 1,150 products are available. PXI products are compatible with the CompactPCI industrial computer standard and offer additional features such as environmental specifications, standardized software and built-in timing and synchronization.

About NI Modular Instruments
NI offers essential technologies for test, which combine high-performance hardware, flexible software and innovative timing and synchronization technology for test and design applications. NI modular instruments offer accurate, high-throughput measurements from DC to 2.7 GHz. The product family includes:
· High-resolution digitizers (up to 24 bits, up to 200 MS/s)
· Signal generators (up to 16 bits, 200 MS/s)
· Digital waveform generator/analyzers (up to 400 Mb/s)
· Digital multimeters (up to 7½ digits)
· RF vector signal generators and analyzers (up to 2.7 GHz)
· Dynamic signal analyzers (up to 24 bits, 204.8 kS/s)
· Switching (multiplexers, matrices and general purpose)

Martes, 30 Agosto, 2005 - 12:21
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