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USB-8472

更新时间： 2024-11-24 05:52:07

品牌	Logo	应用领域
美国国家仪器公司 - NI		/
页数	文件大小	规格书
4页	441K
描述
1-port interfaces for high-speed CAN,low-speed/fault-tolerant CAN, and LIN

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USB-8472 数据手册

CAN and LIN Interfaces for Hi-Speed USB

NI USB-8472, NI USB-8472s, NI USB-8473,

NI USB-8473s, NI USB-8476, NI USB-8476s,

• 1-port interfaces for high-speed CAN,

low-speed/fault-tolerant CAN, and LIN

Operating Systems

• Windows Vista/XP/2000

• Optional hardware synchronization

• Hi-Speed USB, bus-powered

• 500 V digital isolation

• Bus error logging

• Hardware timestamping – 1 µs resolution

Recommended Software

• LabVIEW

• LabWindows^™/CVI

• Visual C++ 6.0

• Visual Basic 6.0

• Borland C/C++

CAN Interfaces

• Philips SJA1000 CAN controller

• Transmit/receive 100 percent bus load

at 1 Mb/s

Application Software

(included)

• CAN/LIN bus monitoring

and logging utility

• ISO 11898 compliance for standard (11-

bit) and extended (29-bit) arbitration IDs

• Software-selectable termination for

low-speed/fault-tolerant CAN

• J1939 compliance

Driver Software

(included)

• NI-CAN

LIN Interfaces

• Atmel ATA6620 transceiver

• LIN 1.3/2.0 and J2602 compliance

• Software-selectable master/

slave termination

Max Transfer

Rate (kb/s)

Hardware

Sync

Software

Termination

Model

Physical Layer

Low-speed/fault-tolerant CAN

Transceivers

Ports

API

USB-8472

USB-8472s

USB-8473

USB-8473s

USB-8476

USB-8476s

TJA1054AT

TJA1041

ATA6620

125

1,000

–

ꢀ

–

Frame

ꢀ

–

High-speed CAN

–

ꢀ

–

LIN

ꢀ

Table 1. NI USB-847x Selection Guide

With hardware timestamping, you can log messages with

Overview

microsecond-accurate timestamps for reconstructing network events

and correlating data across synchronized devices. All USB-847x

interfaces use an industry-standard 9-pin male D-Sub (DB9) connector

to interface to CAN and LIN buses.

NI USB-847x devices provide Hi-Speed USB interfaces for Controller Area

Network (CAN) and Local Interconnect Network (LIN) monitoring, logging,

and testing. With high-speed CAN, low-speed/fault-tolerant CAN, and

LIN interfaces featuring optional hardware synchronization, you can use

two or more USB-847x devices together to interface to a wide variety of

CAN and LIN networks.

Hi-Speed USB connectivity and onboard frame buffering ensure

no dropped frames, even under 100 percent bus loads.

The USB-847x interfaces are ideal for many types of

applications, including:

CAN Interfaces

USB-847x CAN interfaces feature the industry-standard Philips SJA1000

CAN controller, which implements ISO 11898 CAN functionality. The

SJA1000 offers additional features to aid in system development,

including listen-only mode, sleep/wakeup mode, error counter access,

and self-reception (echo) mode. USB-847x CAN interfaces recognize

standard (11-bit) and extended (29-bit) arbitration IDs and are compatible

with J1939 networks.

• In-vehicle network monitoring and logging

• Bus load monitoring

• Device validation with synchronized data acquisition

• CAN device development and test

• CAN and LIN data correlation with external measurements

The convenient all-in-one design features a captive 2 m USB cable

and built-in transceiver, requiring no extra cables or accessories to

get applications running quickly.

12 3 4

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