National Instruments USB-6001 Manuale utente

USER GUIDE

NI USB-6001/6002/6003

Low-Cost DAQ USB Device

This user guide describes how to use the National Instruments USB-6001/6002/6003 data

acquisition (DAQ) devices. For device specifications, go to ni.com/manuals and search by

device name.

The NI USB-6001/6002/6003 is a full-speed USB device that provides eight single-ended

analog input (AI) channels, which may also be configured as four differential channels. It also

includes two analog output (AO) channels, 13 digital input/output (DIO) channels, and a 32-bit

counter.

Table 1. Differences Between the NI USB-6001, NI USB-6002, and NI USB-6003

Feature NI USB-6001 NI USB-6002 NI USB-6003

Analog Input

Analog-to-digital

converter (ADC)

Resolution

14-bit 16-bit 16-bit

Maximum Sample

Rate (aggregate)

20 kS/s 50 kS/s 100 kS/s

Analog Output

DAC Resolution 14-bit 16-bit 16-bit

Absolute Accuracy,

Typical, at full scale

9.1 mV 8.6 mV 8.6 mV

ni.com/manuals

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2|ni.com |NI USB-6001/6002/6003 User Guide

Figure 1. NI USB-6001/6002/6003 Top and Side Views

Safety Guidelines

Operate the NI DAQ device only as described in this document.

Caution Refer to the NI USB-6001/6002/6003 Safety, Environmental, and

Regulatory Information document included with your kit for important safety and

electromagnetic compatibility information. To obtain a copy of this document online,

visit ni.com/manuals and search for the document title.

Caution Do not operate the device 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.

Caution 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.

Caution 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.

Caution You must have all covers and filler panels installed during operation of the

device. Do not operate the device without verifying that the cover is correctly

attached and the device is completely closed.

1 Screw Terminal Connector Plug 2 LED Indicator 3 Micro-B USB Connector

NI USB-6001/6002/6003 User Guide |© National Instruments |3

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for

electromagnetic compatibility (EMC) stated in the product specifications. These requirements

and limits provide reasonable protection against harmful interference when the product is

operated in the intended operational electromagnetic environment.

This product is intended for use in industrial locations. However, harmful interference may

occur in some installations, when the product is connected to a peripheral device or test object,

or if the product is used in residential or commercial areas. To minimize interference with radio

and television reception and prevent unacceptable performance degradation, install and use this

product in strict accordance with the instructions in the product documentation.

Furthermore, any modifications to the product not expressly approved by National Instruments

could void your authority to operate it under your local regulatory rules.

Caution To ensure the specified EMC performance, the length of any wire or cable

connected to the screw terminal connector must be no longer than 0.5 m (20 in.).

Unpacking

The NI DAQ device ships in an antistatic package to prevent electrostatic discharge (ESD). ESD

can damage several components on the device.

Caution Never touch the exposed pins of the connectors.

To avoid ESD damage in handling the device, take the following precautions:

• Ground yourself with a grounding strap or by touching a grounded object.

• Touch the antistatic package to a metal part of your computer chassis before removing the

device from the package.

Remove the device from the package and inspect it for loose components or any other signs of

damage. Notify NI if the device appears damaged in any way. Do not install a damaged device

in your computer.

Store the device in the antistatic package when the device is not in use.

Packing List

The NI DAQ device is shipped in a box that contains:

• NI USB-6001/6002/6003

• Two screw terminal connector plugs

• Hi-Speed Micro USB cable

• NI-DAQmx DVD

• NI USB-6001/6002/6003 Quick Start document

• NI USB-6001/6002/6003 Safety, Environmental, and Regulatory Information document

4|ni.com |NI USB-6001/6002/6003 User Guide

Setting Up the NI USB-6001/6002/6003

Complete the following steps to get started with the NI USB-6001/6002/6003.

Installing the Software

1. Install the application software (if applicable), as described in the installation instructions

that accompany your software.

2. Install NI-DAQmx. NI USB-6001/6002/6003 devices are supported by NI-DAQmx 9.9 and

later.

Note The NI-DAQmx software is included on the disk shipped with your kit and is

available for download at ni.com/support. The documentation for NI-DAQmx is

available after installation from Start»All Programs»National Instruments»

NI-DAQmx. Other NI documentation is available at ni.com/manuals.

3. Register your products when the NI Product Registration Wizard appears.

Preparing the Hardware

1. Insert the screw terminal connector plugs into the connector jacks on the device. Refer to

Figure 2.

2. The Hi-Speed Micro USB cable has two different connectors. Plug the smaller connector

into the device, and plug the larger connector into the USB port on the computer where

NI-DAQmx is installed.

Figure 2. Hardware Setup for NI USB-6001/6002/6003

1 Screw Terminal Connector Plugs 2 Hi-Speed Micro USB Cable

NI USB-6001/6002/6003 User Guide |© National Instruments |5

Verifying the Installation

1. Complete the following to launch NI Measurement and & Automation Explorer (NI MAX):

•(Windows 7/Vista)—Double-click the NI MAX icon on the desktop.

•(Windows 8)—Click NI Measurement & Automation Explorer from NI Launcher.

2. Expand My System»Devices and Interfaces and verify that the NI USB-6001/6002/6003

is listed. If your device does not appear, press <F5> to refresh the view in NI MAX. If your

device is still not recognized, refer to ni.com/support/daqmx for troubleshooting

information.

3. To self-test your device in NI MAX, right-click your device and select Self-Test. Self-test

performs a brief test to determine successful device installation. When the self-test finishes,

a message indicates successful verification. If an error occurs, refer to ni.com/support/

daqmx.

Caution To ensure the specified EMC performance, operate this product only with

shielded cables and accessories.

4. Connect the wires (0.08 to 1.31 mm2[28 to 16 AWG]) of a shielded, multiconductor cable

to the screw terminals by stripping 6 mm (0.25 in.) of the insulation, inserting the stripped

wires into the screw terminals, and securely tightening the screws with a flathead

screwdriver to a torque of 0.22 to 0.25 N · m (2.0 to 2.2 lb · in.). Refer to Figure 4 for the

NI USB-6001/6002/6003 pinout.

If using a shielded cable, connect the cable shield to a nearby GND terminal.

5. Run a test panel in NI MAX by right-clicking your device and selecting Test Panels.

Click Start to test the device functions, or Help for operating instructions. If an error

message occurs refer to ni.com/support/daqmx. Click Close to exit the test panel.

Using the NI USB-6001/6002/6003 in an

Application

Example Programs

NI-DAQmx driver software includes example programs to help you get started programming

with the NI USB-6001/6002/6003. You can modify example code and save it in an application,

use examples to develop a new application, or add example code to an existing application.

To locate NI software examples, go to ni.com/info and enter the Info Code daqmxexp.

To run examples without the device installed, use an NI-DAQmx simulated device. For more

information, open NI Measurement & Automation Explorer (NI MAX), select Help»Help

Topics»NI-DAQmx»MAX Help for NI-DAQmx, and search for simulated devices.

6|ni.com |NI USB-6001/6002/6003 User Guide

NI-DAQ Assistant

You can use the NI-DAQ Assistant through many NI application software programs to configure

virtual and measurement channels. Table 2 lists NI-DAQ Assistant tutorial locations for

NI applications.

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-DAQmx»NI-DAQmx Help.

The NI-DAQmx C Reference Help describes the NI-DAQmx Library functions. Select Start»

All Programs»National Instruments»NI-DAQmx» Text-Based Code Support»NI-DAQmx

C Reference Help.

.NET Languages without NI Application Software

With the Microsoft .NET Framework version 2.0 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 2005 or later for the API documentation to be installed.

The installed documentation contains the NI-DAQmx API overview, measurement tasks and

concepts, and function reference. To view the NI-DAQmx .NET documentation, go to Start»

All Programs»National Instruments»NI-DAQmx»Text-Based Code Support. For function

reference, refer to the NationalInstruments.DAQmx Namespace and NationalInstruments.

DAQmx.ComponentModel Namespace topics. For conceptual help, refer to the Using the

Measurement Studio NI-DAQmx .NET Library and Developing with Measurement Studio

NI-DAQmx sections.

To get to the same help topics from within Visual Studio 2005 or 2008, go to Help»Contents

and select Measurement Studio from the Filtered By drop-down list. To get to the same help

topics from within Visual Studio 2010, go to Help»View Help and select NI Measurement

Studio Help from the Related Links section.

Table 2. NI-DAQ Assistant Tutorial Locations

NI Application

Software Tutorial Location

LabVIEW Go to Start»All Programs»National Instruments»

NI-DAQmx»NI-DAQmx Help»Getting Started.

LabWindows™/CVI™Go to Help»Contents. Next, go to Using LabWindows/CVI»

Data Acquisition»Taking an NI-DAQmx Measurement in

LabWindows/CVI.

Measurement Studio Go to NI Measurement Studio Help»Getting Started with the

Measurement Studio Class Libraries»Measurement Studio

Walkthroughs»Walkthrough: Creating a Measurement Studio

NI-DAQmx Application.

SignalExpress Go to Help»Taking an NI-DAQmx Measurement in

SignalExpress.

NI USB-6001/6002/6003 User Guide |© National Instruments |7

Features

Block Diagram

Figure 3 shows key functional components of the NI DAQ device.

Figure 3. NI USB-6001/6002/6003 Block Diagram

USB

Connector

(Micro-B)

80 MHz Clock

5 V Supply

Analog Input

Analog Output

Digital I/O

Control

Logic

16-Position

Screw Terminal

Plug

I/O Connector

AI 7

AO 0

AO 1

AI GND

AI 0

AO GND

I/O Connector

P2.0

PFI 1

PFI 0

5 V

D GND

P0.0

USB 2.0

Full

Speed

Interface

Counters

& PFI

8|ni.com |NI USB-6001/6002/6003 User Guide

LED Indicator

The NI DAQ device has a blue LED that indicates device status, as listed in Table 3.

Screw Terminal Connector Plugs

The NI USB-6001/6002/6003 ships with two detachable screw terminal connector plugs: one for

analog signals and one for digital signals. These screw terminal connectors provide

16 connections that use 0.08 to 1.31 mm2(28 to 16 AWG). Refer to the Pinout and Signal

Descriptions section for the device pinout and signal descriptions.

Cables and Accessories

Table 4 contains information about cables and accessories available for the

NI USB-6001/6002/6003. For a complete list of accessories and ordering information, refer to

the pricing section of the NI DAQ device product page at ni.com.

Table 3. LED State/Device Status

LED State Device Status

Off Device is not connected or is in suspend mode.

On, not blinking Device is connected and functioning normally.

Blinking Device has encountered an error. Wait 10 seconds to allow the

device to attempt to recover from the error. If the LED

continues blinking, disconnect and reconnect the device. If

the error persists, contact National Instruments. Refer to the

Worldwide Support and Services section for contact

information.

Table 4. NI USB-6001/6002/6003 Cables and Accessories

Accessory Part Number Description

USB-600xAccessories 782703-01 Four additional screw-terminal connectors

and a screwdriver.

USB-600xSeries

Prototyping Accessories

779511-01 Unshielded breadboarding accessory for

custom-defined signal conditioning and

prototyping. You can use up to

two accessories per device.

Hi-Speed Micro USB

Cable, A to Micro-B

782909-01,

782909-02

1 m and 2 m lengths

Caution: To ensure the specified EMC performance, the length of any wire or cable

connected to the screw terminal connector must be no longer than 0.5 m (20 in.).

NI USB-6001/6002/6003 User Guide |© National Instruments |9

Pinout and Signal Descriptions

Figure 4 shows the NI DAQ device pinout. Analog input signal names are listed as single-ended

analog input name, AI x, and then the differential analog input name, (AI x+/-). Refer to Table 5

for a detailed description of each signal.

Figure 4. NI USB-6001/6002/6003 Pinout

Table 5. Signal Descriptions

Signal

Name Reference Direction Description

AI GND — — Analog Input Ground—The reference point

for single-ended analog input measurements.

AI <0..7> AI GND Input Analog Input Channels 0 to 7—For

single-ended measurements, each signal

corresponds to one analog input voltage channel.

For differential measurements, AI 0 and AI 4 are

the positive and negative inputs of differential

analog input channel 0. The following signal

pairs also form differential input channels:

AI <1,5>, AI <2, 6>, and AI <3, 7>. Refer to the

Analog Input section for more information.

LEFT VIEW RIGHT VIEW

AI AO

041 5 2 6 3 0 17

+ 0 – + 1 – + 2 – + 3 –

AO GND

AO 0

AO 1

AI GND

AI 7 (AI 3–)

AI 3(AI 3+)

AI GND

AI 2 (AI 2+)

AI 6 (AI 2–)

AI GND

AI 5 (AI 1–)

AI 1 (AI 1+)

AI GND

AI 4 (AI 0–)

AI 0 (AI 0+)

AI GND

PFI 5V 03 2 10 7 6 5 4 3 2 1 0

P2.x P1.x P0.x

DIO

P0.0

P0.3

P0.2

P0.1

P0.4

P0.5

P0.6

P0.7

P1.1/PFI 1

P1.0

P1.2

P1.3

P2.0/PFI 0

D GND

+ 5 V

D GND

10 |ni.com |NI USB-6001/6002/6003 User Guide

AO GND — — Analog Output Ground—The reference point

for analog output.

AO <0, 1> AO GND Output Analog Output Channels 0 and 1—Supplies

the voltage output of the AO channels. Refer to

the Analog Output section for more information.

P0.<0..7> D GND Input or

Output

Port 0 Digital I/O Channels 0 to 7—You can

configure each signal individually as an input or

output. Refer to the Digital I/O section for more

information.

P1.<0..3> D GND Input or

Output

Port 1 Digital I/O Channels 0 to 3—You can

configure each signal individually as an input or

output. Refer to the Digital I/O section for more

information.

P2.0 D GND Input or

Output

Port 2 Digital I/O Channel 0—You can

configure each signal individually as an input or

output. Refer to the Digital I/O section for more

information.

PFI 0, 1 D GND Input Programmable Function Interface or Digital

I/O Channels—An edge counter input or digital

trigger input. Refer to the PFI 0 and PFI 1

section for more information.

D GND — — Digital Ground—The reference point for digital

signals.

+5 V D GND Output +5 V Power Source—Provides +5 V power up

to 150 mA. Refer to the +5 V Power Source

section for more information.

Table 5. Signal Descriptions (Continued)

Signal

Name Reference Direction Description

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