NI (National Instruments) USB-8502 1- or 2-Port, High-Speed/FD, USB CAN Interface Device

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NI (National Instruments) · USB 2.0

USB-8502

The NI USB-8502 is a USB 2.0 CAN interface supporting high-speed CAN and CAN Flexible Data Rate (CAN FD) with the NI-XNET driver. The model is offered in 1- or 2-port variants; confirm the specific configuration before system integration.

ManufacturerNI (National Instruments)

ModelUSB-8502

Part Number784662-01 · 784661-01

Product Type1- or 2-Port, High-Speed/FD, USB CAN Interface Device

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Bus ConnectorUSB 2.0

CAN Physical LayerFlexible Data-Rate, High-Speed

Bus ConnectionUSB 2.0

Operating Temperature Range0 °C to 55 °C

Maximum Baud Rate1 MB/s

ReconfigurableNo

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Overview

Product overview

Key product information and technical features.

The USB-8502 connects a host computer to high-speed CAN and CAN FD networks through USB 2.0. It uses the NI-XNET driver and draws power from the USB bus, without requiring an external power supply.

Designed for CAN frame and signal handling, the interface supports applications such as bus monitoring and automation control. Its device-driven DMA engine transfers CAN frames and signals between the interface and the user program without CPU interrupts.

Supports high-speed CAN and CAN Flexible Data Rate.
USB 2.0 host connection with USB bus power.
Works with the NI-XNET driver for CAN frame and signal applications.
Device-driven DMA engine transfers CAN frames and signals without CPU interrupts.
Enclosed design with an operating temperature range of 0 °C to 55 °C.

Verified specifications

Technical data

Verified product specifications.

Bus Connector	USB 2.0
CAN Physical Layer	Flexible Data-Rate, High-Speed
Reconfigurable	No
Bus Connection	USB 2.0
Operating Temperature Range	0 °C to 55 °C
Maximum Baud Rate	1 MB/s
Conformal Coated	No
Enclosed	Yes
NI part numbers	784662-01, 784661-01

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NI

Manufacturer

USB 2.0

Bus Connector

USB-8502

This product

Compatibility

Uses the NI-XNET driver for CAN communication; operating-system and driver-version compatibility must be checked separately.

Platform shown as listed by NI. Confirm controller, chassis and software fit for your system with NI before integration.

Manuals & software

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

Does the USB-8502 support CAN FD?

Yes. The USB-8502 supports high-speed CAN and CAN Flexible Data Rate (CAN FD).

How many CAN ports does the USB-8502 have?

The USB-8502 model is offered in 1- and 2-port variants. The existing model-level data lists both variants, so the port count of this specific catalog item requires confirmation.

Does the USB-8502 require external power?

No. It is powered through the USB bus and does not require an external power supply.

Which driver family does the USB-8502 use?

The USB-8502 uses the NI-XNET driver. Confirm the driver version and operating-system support for your intended host computer.

Which NI part numbers are associated with the USB-8502?

The existing verified model data lists 784662-01 and 784661-01. These are model-level references; the exact part number and port configuration of this catalog item require confirmation.