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National Instruments' NI X Series

National Instruments' NI X Series

NI X Series devices for PCI Express and PXI Express are the most advanced data acquisition (DAQ) products ever made by NI, with high-performance analog, digital and counter/timer functionality integrated onto a single device. X Series DAQ devices include up to 32 analog inputs (AI), four analog outputs (AO), 48 digital I/O lines and four counters on a single device, and range from low-cost 250 kS/s multiplexed AI to 2 MS/s simultaneous sampling AI. Engineers can easily define the functionality of an X Series device in software, making them flexible enough for a variety of applications, from basic data logging to control and test automation. The new X Series devices also integrate a native PCI Express interface, which provides the full 250 MB/s of PCI Express bandwidth. Some other DAQ devices use a PCI-to-PCI Express bridge interface, which limits the device bandwidth to that of the PCI bus. X Series devices also are optimized for low-latency I/O, for high performance in control and single-point applications. X Series devices incorporate new NI-STC3 timing and synchronization technology, which provides four flexible, 32-bit counters and a 100 MHz timebase for all analog and digital timing, which is a 5x improvement over previous devices. This timing technology lets engineers perform advanced triggering and synchronization that would have previously taken advanced code or several DAQ devices to implement. Simultaneous X Series devices integrate up to 16 analog-to-digital convertors on a single device at 2 MS/s per channel, which allows engineers to sample all AI channels at a high rate in applications such as ultrasonic test and measurement.

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