NI PXI-1031
NI PXI-1031
NI PXI-1031
NI PXI-1031
NI PXI-1031

NI PXI-1031 | 4-Slot PXI Chassis with Universal AC Power

  • Brand:​ National Instruments
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    Model:​ PXI-1031
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    Product Type:​ PXI Chassis
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    Series:​ PXI Series
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    Core Function:​ Provides the mechanical enclosure, power distribution, and communication backplane for a 4-slot PXI-based test or control system.
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    Key Specs:​ 4-slot 3U form factor, 400W universal AC power supply, integrated cooling.
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Description

PXI-1031: Product Overview
The National Instruments PXI-1031 is a 4-slot PXI chassis that serves as the foundational hardware platform for building modular test, measurement, and control systems. This unit provides the physical infrastructure, power distribution, and high-speed communication backplane required to integrate and operate a combination of PXI controller modules and peripheral I/O modules within a standardized 3U form factor.
Installed in a rack or used as a benchtop unit, its primary role is to house a system controller (occupying slot 1) and up to three additional peripheral modules, such as data acquisition cards, digital I/O modules, or instrument interfaces. The chassis incorporates a high-performance PXI backplane that provides the necessary timing, triggering, and data transfer pathways between modules, ensuring synchronized operation in multi-card applications. The integrated power supply and active cooling system maintain stable operating conditions for the installed hardware, which is critical for measurement accuracy and system reliability in continuous operation environments.

NI PXI-1031

NI PXI-1031

PXI-1031: Technical Specifications
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    Model Number:​ PXI-1031
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    Manufacturer:​ National Instruments
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    Product Type:​ PXI Chassis
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    Form Factor:​ 4-slot, 3U
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    Slot Configuration:​ 1 system slot (for a PXI controller) and 3 peripheral slots
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    Backplane:​ High-performance PXI backplane
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    Power Supply:​ 400W Universal AC Input (100-240 VAC, 50/60 Hz)
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    Cooling:​ Temperature-controlled fan
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    Dimensions:​ Standard 3U rack-mountable dimensions
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    Compatibility:​ PXI, CompactPCI modules
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    Operating Temperature:​ 0 °C to 55 °C
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    Relative Humidity:​ 10% to 90%, non-condensing

    NI PXI-1031

    NI PXI-1031

Core Features & Customer Value
The primary value of this chassis is its role as a integrated and reliable platform​ that simplifies system integration. For engineers, this eliminates the need to source and assemble separate enclosures, power supplies, and backplanes, reducing design time and potential compatibility issues. The standardized PXI architecture guarantees interoperability between modules from National Instruments and other third-party vendors, providing flexibility in system configuration.
The 400W universal power supply​ is sized to support the maximum power draw of multiple high-performance modules, ensuring stable operation even under full load. The active cooling system​ is engineered to manage the thermal output of the installed cards, preventing overheating that can lead to measurement drift or hardware failure. This reliability is essential for automated test equipment (ATE) that must operate unattended for long periods.
Typical Applications
In a manufacturing test station, the PXI-1031 chassis houses a PXI controller and a combination of digital multimeter, switch, and digital I/O modules to form a complete system for validating electronic circuit boards.
In a data acquisition system, it serves as the platform for a real-time controller and high-speed analog input modules, acquiring sensor data from a structural test with precise synchronization across all channels.

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