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National Instruments PXIe

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National Instruments PXIe Products at Apex Waves

PXIe, short for PXI Express, brings high-speed PCI Express communication to modular test and measurement systems. National Instruments PXIe hardware combines instrument modules, shared timing resources, and centralized computer control within a compact chassis. The family supports applications ranging from production testing and semiconductor characterization to aerospace validation and synchronized data acquisition. Engineers can configure each system around specific measurements, channel counts, and signal types instead of assembling separate benchtop instruments.

A typical system includes a chassis, an embedded controller or compatible remote control interface, and measurement modules. The eight-slot PXIe-1082, available under part number 780321-01, provides four hybrid peripheral slots, two PXIe peripheral slots, and one system timing slot, alongside its controller slot. Larger configurations can use the eighteen-slot PXIe-1085. An embedded controller such as the PXIe-8840 runs applications inside the chassis, while MXI-Express configurations connect suitable systems to an external computer.

The PXIe family encompasses multiple NI product series. X Series multifunction modules combine analog acquisition, analog output, digital I/O, and counters. For example, the PXIe-6363, part number 781056-01, provides 32 single-ended or 16 differential analog inputs with 16-bit resolution, four analog outputs, and 48 digital I/O lines. SC Express modules integrate sensor-specific signal conditioning; the PXIe-4353 supports 32 thermocouple channels with 24-bit conversion. FlexRIO hardware, including the PXIe-7975R paired with a compatible adapter module, enables custom FPGA-based measurement and processing.

Specialized instruments broaden the platform beyond data acquisition. The PXIe-5162 captures high-frequency waveforms, while the PXIe-4081, part number 783130-01, provides 7½-digit digital multimeter measurements. RF instruments such as the PXIe-5840 vector signal transceiver support signal generation and analysis. The PXIe-6674T adds precision clock generation and trigger routing for coordinated measurements.

Compatibility requires more than matching the PXIe prefix. Hybrid slots accept PXIe modules and hybrid-compatible PXI modules, but PXIe modules cannot operate in conventional PXI-only peripheral slots. Available bandwidth depends on the controller, chassis topology, PCI Express generation, and module connections. Power, cooling, occupied slot width, and trigger routing also influence system design. Shared reference clocks support synchronization, but applications must configure compatible timing and triggering rather than assume automatic alignment.

Software is selected by instrument function, not simply by the PXIe interface. NI-DAQmx supports compatible acquisition modules, NI-SCOPE controls supported oscilloscopes, and NI-DMM serves digital multimeters. LabVIEW enables measurement programming, while TestStand organizes automated test sequences. Match driver releases to the hardware, operating system, and development environment before deploying applications.

Apex Waves helps customers source NI PXIe hardware for expanding test systems and maintaining established installations. When requesting a quote, identify the model, ordering part number, required accessories, and calibration needs. Checking operating system and driver compatibility before replacement helps preserve existing software investments and avoid unnecessary changes to validated test procedures.

Key Features

  • Modular architecture combines chassis, controllers, and configurable measurement instruments.
  • Representative series include X Series, SC Express, and FlexRIO.
  • PXIe-1082 and PXIe-1085 chassis support different system sizes and slot configurations.
  • PXIe-6363, PXIe-4353, and PXIe-4081 address multifunction, temperature, and precision electrical measurements.
  • Confirm hybrid-slot compatibility, bandwidth, cooling, software support, and required cables before selecting replacement hardware.

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Explore PXI Express chassis, controllers, high-speed instruments, RF modules, SMUs, DAQ, DSA, and FlexRIO hardware.

PXI Express chassis provide high-bandwidth backplanes, timing, and synchronization for modular test systems.

Embedded and remote controllers help operate PXIe systems in production, lab, and validation environments.

PXIe RF analyzers, generators, and waveform modules support high-performance automated signal test.

PXIe DAQ and dynamic signal acquisition modules cover analog, digital, vibration, and high-speed measurements.

FlexRIO devices support FPGA-based custom I/O, high-speed streaming, and specialized instrumentation workflows.

Why Buy NI PXIe From Apex Waves?

ISO 9001 Certified

Quality processes backed by documented inspection, testing, and fulfillment standards.

PXI Systems Alliance Member

Connected to the standards group supporting PXI and PXIe platform compatibility and growth.

Professionally Tested

Every chassis, controller, and module is inspected and tested for reliable operation.

Fully Tested Inventory

Quality NI hardware tested before it ships.

Quote Support

Our team helps match the right PXIe chassis, module, controller, or accessory to your system.

Legacy Hardware Specialists

We stock hard-to-find NI PXIe hardware to keep long-running systems online.

Frequently Asked Questions

PXIe stands for PXI Express. It extends the PXI instrumentation platform with PCI Express communication, higher-bandwidth data paths, and additional timing resources. Conventional PXI uses PCI signaling. Both are modular test platforms, but module connectors, controller compatibility, and supported chassis slots must be checked separately.

Yes, when the chassis provides appropriate slots. Hybrid slots support PXIe modules and PXI modules specifically designated hybrid-compatible. Other PXI modules may require dedicated PXI slots. A PXIe module cannot operate in a PXI-only peripheral slot. Check the module and chassis documentation before mixing hardware.

A working system needs a PXIe chassis, an embedded controller or supported external-computer connection, measurement modules, and compatible drivers and application software. Include the necessary signal cables, terminal blocks, and sensors. Some chassis integrate remote control hardware, so confirm the configuration before ordering a separate controller.

X Series includes multifunction analog and digital I/O devices, SC Express provides sensor-specific measurement modules, and FlexRIO supports custom FPGA-based instruments. Examples include the PXIe-6363 for general data acquisition, PXIe-4353 for thermocouples, and PXIe-7975R with a compatible adapter for custom I/O and processing. Specialized instruments such as the PXIe-4081 handle precision electrical measurements.

No. NI-DAQmx supports compatible data acquisition modules, but other instruments use different software. Examples include NI-SCOPE for supported oscilloscopes, NI-DMM for digital multimeters, and LabVIEW FPGA for custom FlexRIO programming. Check each device's documentation for required software, supported driver releases, application compatibility, and operating system requirements.

Yes. Contact Apex Waves to request availability, pricing, and service options for the NI PXIe model your system requires. Provide the complete ordering part number, chassis and controller models, installed software versions, and any accessory or calibration requirements. Availability and suitable replacement options depend on the specific hardware and configuration.

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