NI Launches Software-configurable 18-slot PXI Chassis

10/30/2003 - Engineers can use National Instruments new software-configurable 18-slot PXI chassis to programmatically configure precise timing and synchronization signals between modular instruments. With configuration and driver software such as NI Measurement & Automation Explorer and NI-DAQ 7, engineers can increase overall system performance and accelerate test times by configuring the trigger routing modules on the backplane of the chassis to reserve trigger lines or route triggers to and from any of the chassis’ three bus segments.

The new NI PXI-1045 18-slot chassis features a wide operating temperature range of 0 to 55 C for environments with extended temperature conditions. The CompactPCI-compatible chassis also features a high-precision, low-jitter 10 MHz reference clock with slot-to-slot skew of less than 250 picoseconds for device synchronization. For importing or exporting system reference clocks, the rear of the chassis includes two BNC I/O connectors. Engineers can configure up to 5,000 channels of 24-bit dynamic signal acquisition by synchronizing multiple PXI-1045 chassis with the NI PXI-6653 timing and synchronization module. For secure 19-inch rack mounting, the PXI-1045 chassis offers optional front and rear rack mount kits.

The new chassis is ideal for test and measurement applications requiring software configurable triggering, high channel counts and tight synchronization between high-performance modular instruments. Its extended operating range temperature makes it well-suited for applications in military/aerospace, manufacturing test and industrial monitoring. The chassis works with all 3V PXI hardware devices and NI software including LabVIEW 7 Express graphical development environment, TestStand test management software and Measurement Studio for Visual Studio .NET.

PCI extensions for Instrumentation (PXI) is an open specification governed by the PXI Systems Alliance ( that defines a rugged, CompactPCI-based platform for measurement and automation.

About National Instruments
National Instruments ( is a technology pioneer and leader in virtual instrumentation -- a revolutionary concept that has changed the way engineers and scientists approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs for customers worldwide through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,000 employees and direct operations in 40 countries.

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