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August 3, 2009

National Instruments launches new X Series DAQ devices

Supports PCI Express and PXI Express

By CBR Staff Writer

National Instruments (NI) has launched X Series multifunction data acquisition (DAQ) devices for PCI Express and PXI Express. The 16 new X Series DAQ devices provide enhancements to analogue I/O, digital I/O, onboard counters and multidevice synchronisation.

NI claims that the new X Series devices integrate native PCI Express support for high-throughput data transfer, timing and synchronisation technology for measurement and control and to perform advanced processing and analysis on multicore systems.

NI said that the new X Series DAQ devices, which include up to 32 analogue inputs (AI), four analogue outputs (AO), 48 digital I/O lines and four counters, range from low-cost 250 kS/s multiplexed AI to 2 MS/s simultaneous sampling AI.

In addition, the simultaneous X Series devices can integrate up to 16 ADCs on a single device at 2 MS/s per channel. The new X Series devices pass large quantities of data back to the host PC, delivering a total AI throughput of up to 64 MB/s.

The company said that the new X Series devices also integrate a native PCI Express interface, which is designed to provide 250 MB/s of PCI Express bandwidth, as opposed to a PCI-to-PCI Express bridge interface, which limits the device bandwidth to that of the PCI bus.

The new NI-STC3 technology provides X Series devices with independent timing engines for onboard analogue and digital I/O subsystems, the company said.

Reportedly, the new X Series devices include four enhanced 32-bit counters for frequency, pulse-width modulation (PWM) and encoder operations and a new 100 MHz timebase that is expected to generate analogue and digital sampling rates with five times better resolution than previous devices.

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