PXI-1031

The NI PXI-1031 is an entry-level, ultra-compact 4-slot chassis designed for 3U PXI and CompactPCI modules. It is engineered for applications requiring a portable, low-cost, and space-saving footprint, such as benchtop testing, automated laboratory experiments, and small-scale data acquisition. Accommodating one system controller and three peripheral measurement slots, the PXI-1031 provides a reliable, low-noise backbone for classical 32-bit PCI-based modular instruments.

1. Ключевые технические характеристики

• Общее количество слотов: 4 (1 system slot, 3 peripheral slots)

• Backplane Bus Architecture: PXI (32-bit/33 MHz PCI)

• Пропускная способность системы Up to 132 MB/s (shared across backplane)

• Power Supply Type: Universal AC input (100 to 240 VAC, 50/60 Hz automatic ranging)

• Total Available Power: 130 W continuous minimum

• Мощность охлаждения слота: 25 Вт на слот

• Акустический шум ~40 dBA (Normal room temperature, automatic fan mode)

• Timing & Synchronization: Integrated 10 MHz reference clock, 8 PXI trigger lines

2. Подробное техническое описание

Space-Saving Benchtop Layout The defining structural characteristic of the PXI-1031 is its minimalist footprint. Occupying very little desktop real estate, it allows engineers to establish a fully functional PXI test setup on a crowded workbench. Slot 1 is dedicated to a standard 3U PXI embedded controller or a remote control interface card (such as a MXI-Express link to a desktop), leaving three full slots for data acquisition, digital multimeters, or relay switching modules.

Acoustically Optimized Architecture Industrial automated test equipment (ATE) chassis often prioritize high-volume cooling over acoustics, resulting in loud working environments. The PXI-1031 utilizes an intelligent, temperature-controlled fan speed mechanism. In typical laboratory environments, the chassis operates at an incredibly quiet level (around 40 dBA), making it non-disruptive when positioned directly next to a software developer or test technician.

Standard PXI Timing & Synchronization Despite its compact size and highly economical positioning, the PXI-1031 does not sacrifice the fundamental timing infrastructure of the PXI standard. The backplane features a built-in, low-skew 10 MHz reference clock distributed evenly to all peripheral slots. It also fully populates the 8-line PXI trigger bus, enabling independent instruments to share hardware triggers and execute deterministic handshaking.

3. Сценарии использования и применения

Portable Field Engineering Kits Weighing under 11 lbs (approx. 5 kg), the PXI-1031 is highly favored for field diagnostic systems. When combined with a single-slot laptop remote control link and a couple of high-precision DAQ cards, it can be transported to remote sites easily for on-the-spot calibration and troubleshooting.

Dedicated Benchtop Prototyping Design engineers use the PXI-1031 for dedicated component validation. It serves as an excellent low-cost sandbox for writing test code, validating custom circuit designs, and logging analog signals without tying up larger, more expensive multi-slot engineering production frames.

Academic Laboratory Stations The low price point makes it an ideal platform for universities. Engineering departments can deploy multiple PXI-1031 chassis across a student lab, providing hands-on instruction for industry-standard modular instrumentation and LabVIEW programming within tight budgetary limits.

4. Сравнение продуктов и рекомендации

• NI PXI-1031 (The Compact AC Standard): 4 slots, requires separate slot-1 controller. Best for low-cost, quiet, small-scale legacy benchtop applications.

• NI PXI-1033 (The Integrated Value alternative): 5 peripheral slots with a built-in MXI-Express remote link on the backplane. Choose this if you want to control the system via an external PC and need an extra peripheral slot without buying an interface module.

• NI PXI-1036 (The Expanded Classic): 6 slots, AC powered. Best if you need 5 peripheral slots instead of 3, but wish to keep a similar low-noise, compact form factor.

• NI PXIe-1071 (The Modern Compact Alternative): 4 slots, Архитектура PXI Express. Best choice for new projects where you need to support newer high-speed PXIe or hybrid modules rather than legacy 32-bit PCI cards.

Резюме

The NI PXI-1031 represents a reliable, highly efficient infrastructure option for classic PXI instrumentation architectures. It distills the core advantages of the modular PXI standard—robust timing, industrial cooling, and reliable data buses—into a portable, office-friendly frame. We offer comprehensive support for legacy hardware preservation, system integration, and project pricing models for testing facilities maintaining or retrofitting their existing instrumentation base.