National Instruments USB-6003

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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National Instruments USB-6003 Specifications

General

Product Name	USB-6003
Manufacturer	National Instruments
Category	I/O Systems
Interface	USB
Analog Input Channels	8 SE/4 DIFF
Analog Input Resolution	16 bits
Analog Input Sample Rate	10 kS/s
Analog Output Channels	2
Analog Output Resolution	12 bits
Analog Output Rate	150 S/s
Digital I/O Channels	12
Counter/Timers	1
Power Requirements	USB Bus Powered
Storage Temperature Range	-20 °C to 70 °C
Input Range	+/- 10 V
Analog Output Range	0 to 5 V
Operating Temperature Range	0 °C to 45 °C
Relative Humidity Range	10% to 90% (non-condensing)

Summary

Safety Guidelines

Electromagnetic Compatibility Guidelines

Setting Up the NI USB-600160026003

Installing the Software

Instructions for installing the NI-DAQmx software and related applications.

Preparing the Hardware

Steps to connect the device hardware, including terminal plugs and USB cable.

Verifying the Installation

Using the NI USB-600160026003 in an Application

Guidance on integrating the device into custom applications.

Example Programs

Information on accessing and utilizing provided software examples for development.

NI-DAQ Assistant

Pinout and Signal Descriptions

Analog Input

Analog Input Modes

Taking Differential Measurements

Instructions for connecting and performing differential measurements on analog input channels.

Taking Referenced Single-Ended Measurements

Signal Sources and Recommended Input Configuration

Floating Signal Sources

When to Use Differential Connections with Floating Signal Sources

Guidelines for using differential mode with floating signal sources for optimal accuracy.

When to Use Referenced Single-Ended (RSE) Connections with Floating Signal Sources

Conditions for using RSE mode with floating signal sources.

Ground-Referenced Signal Sources

When to Use Differential Connections with Ground-Referenced Signal Sources

Guidelines for using differential mode with ground-referenced sources.

When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources

Recommendation against RSE mode for ground-referenced sources.

Input Range

Multichannel Scanning Considerations

Analog Output

Connecting Analog Output Signals

Instructions for connecting loads to the analog output channels.

Digital IO

Digital Input

Digital Output (Open Collector)

IO Protection

Counter

PFI 0 and PFI 1

Using PFI as a Counter Source

Using PFI to Trigger an Analog Input Acquisition

Using PFI to Trigger an Analog Output Generation

+5 V Power Source

NI-DAQmx

SPECIFICATIONS NI USB-6002

Analog Input

Technical specifications for the analog input channels.

Analog Output

Technical specifications for the analog output channels.

Timebase

Digital IO

Technical specifications for the digital input/output functionality.

Device Pinout