PXI-8115
May 27, 2026

PXI-8115

The PXIe-8115 (often written as PXI-8115) is a 3U, 4-slot wide PXI Express embedded controller launched by National Instruments (now Emerson). It is equipped with an Intel second-generation Core i5 dual-core processor and is specifically designed for PXIe chassis, used to build high-performance, standalone PXI test and measurement systems.

Description

Model Explanation

PXIe: PXI Express, compatible with PXIe high-speed bus

8115: Controller serial number; 81xx represents the PXI embedded controller, and 15 indicates the high-performance i5 dual-core model

Full name meaning: PXIe bus, 81xx series, i5 dual-core high-performance embedded controller Technical Specifications

Basic Specifications

Form: 3U, 4-slot wide (occupying 1 system slot + 3 expansion slots)

Part Number: 781729-04 (standard), 781729-33 (real-time RT version)

Processor: Intel Core i5-2510E, 2.5 GHz dual-core, Turbo Boost up to 3.1 GHz, 3 MB cache

Memory: Standard 2 GB DDR3 1333 MHz, maximum 8 GB (SO-DIMM)

Storage: 250 GB SATA hard drive (standard); RT version equipped with flash memory

PXIe Bandwidth: 1 GB/s dedicated bandwidth per slot, system bandwidth 7 GB/s

Power Consumption: Approximately 30 W (power supply from backplane)

Operating Temperature: 0 °C ~ 55 °C

Storage Temperature: -40 °C ~ 71 °C

System Support: Windows 7/10 (32/64-bit), NI Real-Time OS

I/O Interfaces

Video: 2×DisplayPort (for multiple displays)

Serial Port: 1×RS-232

Parallel Port: 1×IEEE 1284 ECP/EPP

USB: 6×USB 2.0 (high-speed)

Ethernet: 2× Gigabit Ethernet (10/100/1000 BASE-TX)

Instrument Control: Integrated **GPIB (IEEE 488)** controller

Expansion: ExpressCard/34 slot

Front Panel: Reset button, PXI trigger SMB, watchdog

Interface and Communication Configuration

Internal Bus

PXIe/PCIe: System controller slot, supports PXIe trigger, RTSI synchronization

DMA: Bus master control, high-speed data transfer (module ↔ memory)

Software Communication

Drivers: NI-PXIe, NI-DAQmx, NI-VISA, NI-GPIB

Development Environment: LabVIEW, LabWindows/CVI, C/C++, .NET

Protocols: TCP/IP, UDP, Modbus, CAN, GPIB, serial port Core function

High-performance dual-core processing

i5‑2510E (2.5 GHz, Turbo 3.1 GHz), suitable for multi-core parallel computing, signal processing, and image analysis.

Rich integrated I/O

Dual DisplayPort, 6×USB, dual gigabit, GPIB, serial / parallel ports, no need for additional I/O modules, saving slots.

PXIe high-speed bandwidth

1 GB/s per slot, suitable for high-speed data acquisition, multi-module synchronization, and large data stream processing.

Windows / Real-Time Dual System

Supports dual startup of Windows and LabVIEW Real-Time, balancing general and deterministic real-time control.

Integrated diagnosis and high reliability

ROM and hard drive self-diagnosis, watchdog, industrial temperature range, reducing downtime. Applicable scenarios

High-speed Automated Test Equipment (ATE)

Semiconductor testing, complex circuit board functionality testing, high-capacity production line terminal testing.

Real-time data acquisition and processing

Dynamic signal analysis, multi-sensor fusion, vibration/acoustic testing, image processing.

Industrial control and embedded systems

High-speed equipment control, process monitoring, real-time mechanical automation, online monitoring.

Aerospace and defense

Avionics integrated testing, radar signal processing, field-hardened testing system.

Portable / Field testing

Integrated PXIe system, suitable for vehicle-mounted, field, and on-site maintenance in data centers.

Installation and Power On

Installed in a standard 3U PXIe chassis, occupying 4 consecutive slots (1 system + 3 expansions).

Powered only by the PXIe backplane; ensure each slot ≥ 30 W.

Before powering on, connect the monitor, keyboard, network, and instruments. Software settings

Windows: Install NI-PXIe, DAQmx, GPIB, LabVIEW, etc.

Real-time RT: Deploy the RT system to the flash memory using NI MAX, configure the network and start-up items.

BIOS: Enter by pressing the front panel reset button upon startup. Set the boot sequence and hardware parameters.

Heat dissipation and environment

Operating temperature: 0 °C ~ 55 °C; Keep the air duct of the chassis unobstructed and do not block the fans.

Humidity: 10%–90% RH (no condensation); Keep dry and dust-free.

Maintenance and fault troubleshooting

Clean the front panel interfaces and chassis filters (with dry cloth) every quarter when the power is off.

Storage failure: Use system tools to check the health of the hard drive; if the RT flash memory is damaged, reinstall the system.

Startup failure: Check the power supply of the back panel, reinsert and reconfigure the controller, and restore the BIOS default settings.

Long-term storage: Save in a dry and dehumidified state with power off; power on for 1 hour monthly to prevent moisture. Safety and Compliance

Only applicable in indoor industrial environments, with an altitude of ≤ 2000 m and a pollution level of 2.

Handle electronic waste in accordance with local regulations. Do not discard it in regular garbage.


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