National Instruments NI USB-6008 Manuel utilisateur

USER GUIDE AND SPECIFICATIONS

NI USB-6008/6009

This user guide describes how to use the National Instruments

USB-6008/6009 data acquisition (DAQ) devices and lists specifications.

Introduction

The NI USB-6008/6009 provides connection to eight analog input (AI)

channels, two analog output (AO) channels, 12 digital input/output (DIO)

channels, and a 32-bit counter with a Full-Speed USB interface.

Note This manual revision updates naming conventions to reflect the conventions used in

NI-DAQmx. Table 1 notes the correlation between the old and updated names.

Table 1. Digital Output Driver Type Naming Conventions

Hardware Functionality NI-DAQmx Terminology

Open-drain Open collector

Push-pull Active drive

NI USB-6008/6009 User Guide and Specifications 2 ni.com

Figure 1. NI USB-6008/6009 Top View

Figure 2. NI USB-6008/6009 Back View

Table 2. Differences Between the NI USB-6008 and NI USB-6009

Feature NI USB-6008 NI USB-6009

AI Resolution 12 bits differential,

11 bits single-ended

14 bits differential,

13 bits single-ended

Maximum AI Sample Rate,

Single Channel*

10 kS/s 48 kS/s

Maximum AI Sample Rate,

Multiple Channels (Aggregate)*

10 kS/s 48 kS/s

DIO Configuration Open collector Open collector or active drive

*System dependent.

1 USB Cable Strain Relief

NI USB-6009

8 Inputs, 14-bit, Multifunction I/O

32 Digital 17

1 Analog 16

©National Instruments Corporation 3 NI USB-6008/6009 User Guide and Specifications

Dimensions

Figure 3 illustrates the dimensions of the NI USB-6008/6009 device.

Figure 3. NI USB-6008/6009 in Millimeters (Inches)

Safety Guidelines

Caution Operate the NI USB-6008/6009 only as described in these operating instructions.

The following section contains important safety information that you must

follow when installing and using the NI USB-6008/6009.

Do not operate the NI USB-6008/6009 in a manner not specified in this

document. Misuse of the device can result in a hazard. You can compromise

the safety protection built into the device if the device is damaged in any

way. If the device is damaged, contact National Instruments for repair.

Do not substitute parts or modify the device except as described in this

document. Use the device only with the chassis, modules, accessories, and

cables specified in the installation instructions. You must have all covers

and filler panels installed during operation of the device.

81.81 mm

(3.221 in.)

76.09 mm

(2.996 in.)

63.50 mm

(2.500 in.)

72.65 mm

(2.860 in.)

85.09 mm

(3.350 in.)

23.19 mm

(0.913 in.)

NATIONAL

INSTRUMENTS

NI USB-6008/6009 User Guide and Specifications 4 ni.com

Do not operate the device in an explosive atmosphere or where there may

be flammable gases or fumes. If you must operate the device in such an

environment, it must be in a suitably rated enclosure.

If you need to clean the device, use a dry cloth. Make sure that the device

is completely dry and free from contaminants before returning it to service.

Operate the device only at or below Pollution Degree 2. Pollution is foreign

matter in a solid, liquid, or gaseous state that can reduce dielectric strength

or surface resistivity. The following is a description of pollution degrees:

• Pollution Degree 1 means no pollution or only dry, nonconductive

pollution occurs. The pollution has no influence.

• Pollution Degree 2 means that only nonconductive pollution occurs in

most cases. Occasionally, however, a temporary conductivity caused

by condensation must be expected.

• Pollution Degree 3 means that conductive pollution occurs, or dry,

nonconductive pollution occurs that becomes conductive due to

condensation.

You must insulate signal connections for the maximum voltage for which

the device is rated. Do not exceed the maximum ratings for the device. Do

not install wiring while the device is live with electrical signals. Do not

remove or add connector blocks when power is connected to the system.

Avoid contact between your body and the connector block signal when hot

swapping modules. Remove power from signal lines before connecting

them to or disconnecting them from the device.

Operate the device at or below the Measurement Category I1. Measurement

circuits are subjected to working voltages2and transient stresses

(overvoltage) from the circuit to which they are connected during

measurement or test. Measurement categories establish standard impulse

withstand voltage levels that commonly occur in electrical distribution

systems. The following is a description of measurement categories:

• Measurement Category I is for measurements performed on circuits

not directly connected to the electrical distribution system referred to

as MAINS3voltage. This category is for measurements of voltages

from specially protected secondary circuits. Such voltage

measurements include signal levels, special equipment, limited-energy

parts of equipment, circuits powered by regulated low-voltage sources,

and electronics.

1 Measurement Category as defined in electrical safety standard IEC 61010-1. Measurement Category is also referred to as

Installation Category.

2 Working Voltage is the highest rms value of an AC or DC voltage that can occur across any particular insulation.

3 MAINS is defined as a hazardous live electrical supply system that powers equipment. Suitably rated measuring circuits may

be connected to the MAINS for measuring purposes.

©National Instruments Corporation 5 NI USB-6008/6009 User Guide and Specifications

• Measurement Category II is for measurements performed on circuits

directly connected to the electrical distribution system. This category

refers to local-level electrical distribution, such as that provided by a

standard wall outlet (for example, 115 V for U.S. or 230 V for Europe).

Examples of Measurement Category II are measurements performed

on household appliances, portable tools, and similar E Series devices.

• Measurement Category III is for measurements performed in the

building installation at the distribution level. This category refers to

measurements on hard-wired equipment such as equipment in fixed

installations, distribution boards, and circuit breakers. Other examples

are wiring, including cables, bus-bars, junction boxes, switches,

socket-outlets in the fixed installation, and stationary motors with

permanent connections to fixed installations.

• Measurement Category IV is for measurements performed at the

primary electrical supply installation (<1,000 V). Examples include

electricity meters and measurements on primary overcurrent

protection devices and on ripple control units.

Related Documentation

Each application software package and driver includes information about

writing applications for taking measurements and controlling measurement

devices. The following references to documents assume you have

NI-DAQmx 8.7 or later, and where applicable, version 7.1 or later of the

NI application software.

NI-DAQmx for Windows

The DAQ Getting Started Guide describes how to install your NI-DAQmx

for Windows software, how to install your NI-DAQmx-supported DAQ

device, and how to confirm that your device is operating properly. Select

Start»All Programs»National Instruments»NI-DAQ»DAQ Getting

Started Guide.

The NI-DAQ Readme lists which devices are supported by this version of

NI-DAQ. Select Start»All Programs»National Instruments»NI-DAQ»

NI-DAQ Readme.

The NI-DAQmx Help contains general information about measurement

concepts, key NI-DAQmx concepts, and common applications that are

applicable to all programming environments. Select Start»All Programs»

National Instruments»NI-DAQ»NI-DAQmx Help.

Note For information about non-Windows operating system support, refer to ni.com/

info and enter BaseGSGML.

NI USB-6008/6009 User Guide and Specifications 6 ni.com

LabVIEW

If you are a new user, use the Getting Started with LabVIEW manual

to familiarize yourself with the LabVIEW graphical programming

environment and the basic LabVIEW features you use to build data

acquisition and instrument control applications. Open the Getting Started

with LabVIEW manual by selecting Start»All Programs»National

Instruments»LabVIEW»LabVIEW Manuals or by navigating to the

labview\manuals directory and opening LV_Getting_Started.pdf.

Use the LabVIEW Help, available by selecting Help»Search the

LabVIEW Help in LabVIEW, to access information about LabVIEW

programming concepts, step-by-step instructions for using LabVIEW, and

reference information about LabVIEW VIs, functions, palettes, menus, and

tools. Refer to the following locations on the Contents tab of the LabVIEW

Help for information about NI-DAQmx:

•Getting Started»Getting Started with DAQ—Includes overview

information and a tutorial to learn how to take an NI-DAQmx

measurement in LabVIEW using the DAQ Assistant.

•VI and Function Reference»Measurement I/O VIs and

Functions—Describes the LabVIEW NI-DAQmx VIs and properties.

•Taking Measurements—Contains the conceptual and how-to

information you need to acquire and analyze measurement data in

LabVIEW, including common measurements, measurement

fundamentals, NI-DAQmx key concepts, and device considerations.

LabWindows/CVI

The Data Acquisition book of the LabWindows/CVI Help contains

measurement concepts for NI-DAQmx. This book also contains

Taking an NI-DAQmx Measurement in LabWindows/CVI, which includes

step-by-step instructions about creating a measurement task using the DAQ

Assistant. In LabWindows™/CVI™, select Help»Contents, then select

Using LabWindows/CVI»Data Acquisition.

The NI-DAQmx Library book of the LabWindows/CVI Help contains

API overviews and function reference for NI-DAQmx. Select Library

Reference»NI-DAQmx Library in the LabWindows/CVI Help.

Measurement Studio

If you program your NI-DAQmx-supported device in Measurement Studio

using Visual C++, Visual C#, or Visual Basic .NET, you can interactively

create channels and tasks by launching the DAQ Assistant from MAX or

from within Visual Studio .NET. You can generate the configuration code

©National Instruments Corporation 7 NI USB-6008/6009 User Guide and Specifications

based on your task or channel in Measurement Studio. Refer to the DAQ

Assistant Help for additional information about generating code. You also

can create channels and tasks, and write your own applications in your

ADE using the NI-DAQmx API.

For help with NI-DAQmx methods and properties, refer to the NI-DAQmx

.NET Class Library or the NI-DAQmx Visual C++ Class Library included

in the NI Measurement Studio Help. For general help with programming in

Measurement Studio, refer to the NI Measurement Studio Help, which is

fully integrated with the Microsoft Visual Studio .NET help. To view

this help file in Visual Studio. NET, select Measurement Studio»

NI Measurement Studio Help.

To create an application in Visual C++, Visual C#, or Visual Basic .NET,

follow these general steps:

1. In Visual Studio .NET, select File»New»Project to launch the New

Project dialog box.

2. Find the Measurement Studio folder for the language you want to

create a program in.

3. Choose a project type. You add DAQ tasks as a part of this step.

ANSI C without NI Application Software

The NI-DAQmx Help contains API overviews and general information

about measurement concepts. Select Start»All Programs»National

Instruments»NI-DAQ»NI-DAQmx Help.

The NI-DAQmx C Reference Help describes the NI-DAQmx Library

functions, which you can use with National Instruments data acquisition

devices to develop instrumentation, acquisition, and control applications.

Select Start»All Programs»National Instruments»NI-DAQ»

NI-DAQmx C Reference Help.

.NET Languages without NI Application Software

With the Microsoft .NET Framework version 1.1 or later, you can use

NI-DAQmx to create applications using Visual C# and Visual Basic

.NET without Measurement Studio. You need Microsoft Visual Studio

.NET 2003 or Microsoft Visual Studio 2005 for the API documentation to

be installed.

The installed documentation contains the NI-DAQmx API overview,

measurement tasks and concepts, and function reference. This help is fully

integrated into the Visual Studio .NET documentation. To view the

NI-DAQmx .NET documentation, go to Start»Programs»National

Instruments»NI-DAQ»NI-DAQmx .NET Reference Help. Expand

NI Measurement Studio Help»NI Measurement Studio .NET Class

NI USB-6008/6009 User Guide and Specifications 8 ni.com

Library»Reference to view the function reference. Expand NI

Measurement Studio Help»NI Measurement Studio .NET Class

Library»Using the Measurement Studio .NET Class Libraries to

view conceptual topics for using NI-DAQmx with Visual C# and

Visual Basic .NET.

To get to the same help topics from within Visual Studio, go to

Help»Contents. Select Measurement Studio from the Filtered By

drop-down list and follow the previous instructions.

Device Documentation and Specifications

NI-DAQmx includes the Device Document Browser, which contains online

documentation for supported DAQ and SCXI devices, such as documents

describing device pinouts, features, and operation. You can find, view,

and/or print the documents for each device using the Device Document

Browser at any time by inserting the CD. After installing the Device

Documentation Browser, device documents are accessible from Start»

All Programs»National Instruments»NI-DAQ»Browse Device

Documentation.

Note You can also download these documents at ni.com/manuals.

NI-DAQmx Base (Linux/Mac OS X/LabVIEW PDA 8.x)

The NI-DAQmx Base Getting Started Guide describes how to install your

NI-DAQmx Base software, your NI-DAQmx Base-supported DAQ device,

and how to confirm that your device is operating properly. In Windows,

select Start»All Programs»National Instruments»NI-DAQmx Base»

Documentation»Getting Started Guide.

Getting Started with NI-DAQmx Base for Linux and Mac Users describes

how to install your NI-DAQmx Base software, your NI-DAQmx

Base-supported DAQ device, and how to confirm that your device is

operating properly on your Mac/Linux machine.

The NI-DAQmx Base Readme lists which devices are supported by this

version of NI-DAQmx Base. In Windows, select Start»All Programs»

National Instruments»NI-DAQmx Base»DAQmx Base Readme.

The NI-DAQmx Base VI Reference Help contains VI reference and general

information about measurement concepts. In LabVIEW, select

Help»NI-DAQmx Base VI Reference Help.

The NI-DAQmx Base C Reference Help contains C reference and general

information about measurement concepts. In Windows, select Start»All

Programs»National Instruments»NI-DAQmx Base»Documentation»

C Function Reference Help.

©National Instruments Corporation 9 NI USB-6008/6009 User Guide and Specifications

Note All NI-DAQmx Base documentation for Linux is installed at

/usr/local/natinst/nidaqmxbase/documentation.

Note All NI-DAQmx Base documentation for Mac OS X is installed at

/Applications/National Instruments/NI-DAQmx Base/documentation.

Training Courses

If you need more help getting started developing an application with

NI products, NI offers training courses. To enroll in a course or obtain a

detailed course outline, refer to ni.com/training.

Technical Support on the Web

For additional support, refer to ni.com/support or zone.ni.com.

Installing the Software

Software support for the NI USB-6008/6009 for Windows Vista/XP/2000

is provided by NI-DAQmx. The DAQ Getting Started Guide, which you

can download at ni.com/manuals, offers NI-DAQmx users step-by-step

instructions for installing software and hardware, configuring channels and

tasks, and getting started developing an application.

Note For information about non-Windows operating system support, refer to ni.com/

info and enter BaseGSGML.

Installing Other Software

If you are using other software, refer to the installation instructions that

accompany your software.

Example Programs

The NI-DAQmx CD contains example programs that you can use to get

started programming with the NI USB-6008/6009. Refer to the NI-DAQmx

for USB Devices Getting Started Guide that shipped with your device, and

is also accessible from Start»All Programs»National Instruments»

NI-DAQ,for more information.

The NI-DAQmx Base software ships with example programs you can use

to get started programming with the NI USB-6008/6009. Refer to the

NI-DAQmx Base Getting Started Guide that shipped with your device, and

is also accessible from Start»All Programs»National Instruments»

NI-DAQmx Base»Documentation, for more information.

NI USB-6008/6009 User Guide and Specifications 10 ni.com

Note For information about non-Windows operating system support, refer to ni.com/

info and enter BaseGSGML.

Installing the NI USB-6008/6009 Device

Before installing the device, you must install the software you plan to use

with the device. Refer to the Installing the Software section of this guide

and the documentation included with the software for more information.

Figure 4 shows key functional components of the NI USB-6008/6009.

Figure 4. Device Block Diagram

P1.<0..3>

P0.<0..7>

Digital I/O Terminal Block

AI <0..7>

AO 0

AO 1

Analog I/O Terminal Block

+2.5 V/CAL

+5 V/200 mA

8 Channel

12/14bADC

12bDAC

USB Microcontroller

SPI

External

Power

Supply

Vbus

Full-Speed USB Interface

USB

PFI 0

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