ADLINK Technology USB-1901 Manuel utilisateur

Advance Technologies; Automate the World.

Manual Rev.: 2.00

Revision Date: August 31, 2011

Part No: 50-1Z084-2000

USB-1900 Series

16-bit 250kS/s USB 2.0-based High-performance

DAQ Module

USB-1901/1902/1903

User’s Manual

Revision History

Revision Release Date Description of Change(s)

2.00 Aug 31, 2011 Initial release

iii

USB-1900 Series

Preface

This document contains proprietary information protected by copy-

right. All rights are reserved. No part of this manual may be repro-

duced by any mechanical, electronic, or other means in any form

without prior written permission of the manufacturer.

Disclaimer

The information in this document is subject to change without prior

notice in order to improve reliability, design, and function and does

not represent a commitment on the part of the manufacturer.

In no event will the manufacturer be liable for direct, indirect, spe-

cial, incidental, or consequential damages arising out of the use or

inability to use the product or documentation, even if advised of

the possibility of such damages.

Environmental Responsibility

ADLINK is committed to fulfill its social responsibility to global

environmental preservation through compliance with the Euro-

pean Union's Restriction of Hazardous Substances (RoHS) direc-

tive and Waste Electrical and Electronic Equipment (WEEE)

directive. Environmental protection is a top priority for ADLINK.

We have enforced measures to ensure that our products, manu-

facturing processes, components, and raw materials have as little

impact on the environment as possible. When products are at their

end of life, our customers are encouraged to dispose of them in

accordance with the product disposal and/or recovery programs

prescribed by their nation or company.

Trademarks

Product names mentioned herein are used for identification pur-

poses only and may be trademarks and/or registered trademarks

of their respective companies.

Using this Manual

Audience and Scope

The USB-1900 Series User’s Manual is intended for hardware

technicians and systems operators with knowledge of installing,

configuring and operating industrial grade single board computers.

Manual Organization

This manual is organized as follows:

Preface: Presents important copyright notifications, disclaimers,

trademarks, and associated information on the proper understand-

ing and usage of this document and its associated product(s).

Introduction: Introduces the USB-1900 Series, its features. spec-

ifications, and river information.

Hardware Information: Provides information on dimensions, con-

nection, accessories, and pin assignments for the USB-1900

Series.

Installing the USB-1900 Series Module: Describes installation

and initialization of USB-1900 Series hardware and software com-

ponents.

Operation: USB-1900 Series functions described here include A/

D conversion, D/A conversion, encoder, programmable function I/

O, and others.

Calibration: This chapter introduces the calibration process to

minimize AD measurement errors and DA output errors.

Important Safety Instructions: Presents safety instructions all

users must follow for the proper setup, installation and usage of

equipment and/or software.

Getting Service: Contact information for ADLINK’s worldwide

offices.

USB-1900 Series

Conventions

Take note of the following conventions used throughout this

manual to make sure that users perform certain tasks and

instructions properly.

NOTE:

Additional information, aids, and tips that help users perform

tasks.

CAUTION:

Information to prevent minor physical injury, component dam-

age, data loss, and/or program corruption when trying to com-

plete a task.

WARNING:

Information to prevent serious physical injury, component

damage, data loss, and/or program corruption when trying to

complete a specific task.

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vii

USB-1900 Series

Table of Contents

Revision History...................................................................... ii

Preface .................................................................................... iii

List of Figures ........................................................................ xi

List of Tables........................................................................ xiii

1 Introduction ........................................................................ 1

1.1 Overview.............................................................................. 1

1.2 Features............................................................................... 1

1.3 Applications ......................................................................... 2

1.4 Specifications....................................................................... 3

1.4.1 General Specifications................................................ 3

1.4.2 Analog Input ............................................................... 4

1.4.3 Analog Output............................................................. 7

1.5 Unpacking Checklist ............................................................ 8

1.6 Software Support ................................................................. 8

1.7 Driver Support for Windows................................................. 8

1.8 Utilities for Windows ............................................................ 9

2 Hardware Information ...................................................... 11

2.1 Overview and Dimensions ................................................. 11

2.1.1 Module...................................................................... 11

2.1.2 Module Stand ........................................................... 14

2.1.3 Rail Mounting............................................................ 18

2.1.4 Wall Mounting........................................................... 20

2.2 Connector Pin Assignment ................................................ 21

2.2.1 Connector Signal Description ................................... 24

2.3 Analog Input Signal Connection ........................................ 24

viii

3 Installing the USB-1900 Series Module........................... 31

3.1 Connecting the USB-1900 Series Module ......................... 31

3.2 Device ID ........................................................................... 32

3.3 Hardware Configuration ..................................................... 33

4 Operation ........................................................................... 35

4.1 Signal Function .................................................................. 35

4.2 A/D Conversion.................................................................. 36

4.2.1 Analog Input Circuitry ............................................... 37

4.2.2 AI Data Format ......................................................... 37

4.2.3 Software Conversion with Polling Data Transfer

Acquisition Mode (Software Polling) ......................... 38

4.2.4 Continuous Acquisition (Scanning) Mode................. 38

4.2.5 Analog Input Triggering ............................................ 41

4.3 Trigger Sources ................................................................. 41

4.3.1 Software Triggering .................................................. 41

4.3.2 External Analog Triggering ....................................... 42

4.3.3 External Digital Triggering ........................................ 43

4.4 Trigger Modes.................................................................... 43

4.4.1 Post-Trigger Acquisition Mode (no retriggering) ....... 44

4.4.2 Delayed-Trigger Acquisition Mode

(no retriggering) ........................................................ 44

4.4.4 Gated Trigger............................................................ 46

4.5 D/A Conversion.................................................................. 47

4.5.1 Bipolar Output Modes............................................... 48

4.5.2 Software Update ....................................................... 48

4.5.3 Waveform Generation............................................... 48

4.5.4 Waveform Trigger Sources....................................... 51

4.5.5 Waveform Generation Trigger Modes ...................... 52

4.6 Programmable Function I/O............................................... 56

4.6.1 TTL DI/DO ................................................................ 56

4.6.2 General Purpose Timer/Counter............................... 57

4.7 Basic Timer/Counter Function ........................................... 57

USB-1900 Series

4.8 General Purpose Timer/Counter Modes............................ 58

4.8.1 Mode 1: Simple Gated-Event Counting .................... 58

4.8.2 Mode 2: Single Period Measurement ....................... 59

4.8.3 Mode 3: Single Pulse-Width Measurement .............. 59

4.8.4 Mode 4: Single-Gated Pulse Generation.................. 60

4.8.5 Mode 5: Single-Triggered Pulse ............................... 60

4.8.6 Mode 6: Re-Triggered Single Pulse Generation....... 61

4.8.7 Mode 7: Single-Triggered Continuous

Pulse Generation...................................................... 62

4.8.8 Mode 8: Continuous Gated Pulse Generation.......... 62

4.8.9 Mode 9: Edge Separation Measurement.................. 62

4.8.10 Mode 10: PWM Output ............................................. 63

5 Calibration......................................................................... 65

5.1 Loading Calibration Constants........................................... 65

5.2 Auto-Calibration (USB-1901/1902 only) ............................ 65

5.3 Saving Calibration Constants ............................................ 66

Important Safety Instructions .............................................. 67

Getting Service...................................................................... 69

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