ADLINK Technology USB-2401 Manuale utente
Advance Technologies; Automate the World.
Manual Rev.: 2.00
Revision Date: Apr 27, 2012
Part No: 50-1Z101-1000
USB-2401
24-bit 2kS/s USB 2.0-Based Universal Input
DAQ Module
User’s Manual
ii
Revision History
Revision Release Date Description of Change(s)
2.00 Apr 27, 2012 Initial release
Preface iii
USB-2401
Preface
Copyright 2012 ADLINK Technology, Inc.
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.
iv Preface
Conventions
Take note of the following conventions used throughout this
manual to make sure that users perform certain tasks and
instructions properly.
NOTE:
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.
Table of Contents v
USB-2401
Table of Contents
Revision History...................................................................... ii
Preface .................................................................................... iii
List of Figures ....................................................................... vii
List of Tables.......................................................................... ix
1 Introduction ........................................................................ 1
1.1 Overview.............................................................................. 1
1.2 Features............................................................................... 1
1.3 Applications ......................................................................... 2
1.4 Specifications....................................................................... 2
1.4.1 General Specifications................................................ 2
1.4.2 General Analog Input.................................................. 2
1.4.3 Analog Input Electrical................................................ 4
1.4.4 Digital Input/Output..................................................... 7
1.5 Software Support ................................................................. 8
1.6 Driver Support for Windows................................................. 8
1.7 Utilities for Windows .......................................................... 10
1.8 Overview and Dimensions ................................................. 11
1.8.1 Module...................................................................... 11
1.8.2 Module Stand ........................................................... 14
1.9 Connector Information ....................................................... 18
2 Getting Started ................................................................. 21
2.1 Connecting the USB-2401 Module .................................... 21
2.2 Device ID ........................................................................... 22
2.3 Hardware Configuration..................................................... 23
2.4 Device Mounting ................................................................ 23
2.4.1 Rail Mounting............................................................ 23
vi Table of Contents
2.4.2 Wall Mounting ........................................................... 25
3 Operation ........................................................................... 27
3.1 Functional Layout............................................................... 27
3.2 Signal Sources................................................................... 27
3.2.1 Floating Signal Source.............................................. 27
3.2.2 Ground-Referenced Signal Source........................... 28
3.3 Signal Connection.............................................................. 28
3.3.1 Voltage Input Mode .................................................. 28
3.3.2 Current Input Mode................................................... 29
3.3.3 Full Bridge and Half Bridge Input Mode.................... 30
3.3.4 Thermocouple Input Mode........................................ 31
3.3.5 RTD Input Mode ....................................................... 32
3.3.6 Wire Resistance Mode.............................................. 34
3.4 AI Data Format................................................................... 35
3.5 ADC Sampling Rate........................................................... 36
3.5.1 Software Polling Data Transfer
(Non-Buffering Programmed I/O).............................. 36
3.5.2 Continuous Acquisition Mode ................................... 37
3.6 Programmable Function I/O............................................... 37
3.6.1 TTL DI/DO ................................................................ 37
3.6.2 General Purpose Timer/Counter............................... 38
3.6.3 General Purpose Timer/Counter Modes................... 39
4 Calibration ......................................................................... 45
Important Safety Instructions............................................... 47
Getting Service ...................................................................... 49
List of Figures vii
USB-2401
List of Figures
Figure 1-1: U-Test Interface........................................................ 10
Figure 1-2: USB-2401 Module Rear View................................... 11
Figure 1-3: USB-2401 Module Side View ................................... 12
Figure 1-4: USB-2401 Module Front View .................................. 13
Figure 1-5: Module, Stand, Connector, and USB Cable ............. 14
Figure 1-6: Module, Stand, & Wall Mount Kit Side View (w/ Connec-
tions)......................................................................... 14
Figure 1-7: Module In Stand Front View ..................................... 15
Figure 1-8: Module Stand Top View ........................................... 16
Figure 1-9: Module Stand Side Cutaway View ........................... 17
Figure 1-10: Module Stand Front View ......................................... 17
Figure 2-1: USB-2401 Module in Windows Device Manager...... 21
Figure 2-2: Device ID Selection Control...................................... 22
Figure 2-3: Rail Mount Kit ........................................................... 23
Figure 2-4: Module Pre-Rail Mounting ........................................ 24
Figure 2-5: Module Rail-Mounted ............................................... 24
Figure 2-6: Wall Mount Holes ..................................................... 25
Figure 2-7: Module with Wall Mount Apparatus .......................... 25
Figure 3-1: USB-2401 Functional Block Diagram ....................... 27
Figure 3-2: Ground-Referenced Source and Differential Input ... 28
Figure 3-3: Floating Source and Differential Input ...................... 29
Figure 3-4: Current Source Connection ...................................... 30
Figure 3-5: Full Bridge and Half Bridge Connection ................... 31
Figure 3-6: Thermocouple Connection ....................................... 32
Figure 3-7: 4-Wire RTD Connection ........................................... 33
Figure 3-8: 3-Wire RTD Connection ........................................... 33
Figure 3-9: 2-wire RTD Connection ............................................ 34
Figure 3-10: 2-Wire Resistance Connection ................................. 35
Figure 3-11: Mode 1-Simple Gated-Event Calculation ................. 39
Figure 3-12: Mode 2-Single Period Measurement ........................ 40
Figure 3-13: Mode 3-Single Pulse-Width Measurement ............... 40
Figure 3-14: Mode 4-Single-Gated Pulse ..................................... 41
Figure 3-15: Mode 5-Single-Triggered Pulse................................ 42
Figure 3-16: Mode 6-Re-Triggered Single Pulse .......................... 42
Figure 3-17: Mode 7-Single-Triggered Continuous Pulse............. 43
Figure 3-18: Mode 8-Continuous Gated Pulse ............................. 43
Figure 3-19: Mode 9-Edge Separation Measurement................... 44
Figure 3-20: Mode 10-PWM Output.............................................. 44
viii List of Figures
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List of Tables ix
USB-2401
List of Tables
Table 1-1: U-Test Interface Legend ................................................ 10
Table 1-2: USB-2401 Pin Assignment ............................................ 18
Table 1-3: I/O Signal Description.................................................... 19
Table 3-1: Analog Input Range and Output Digital Code................ 35
Table 3-2: Analog Input Range and Output Digital Code (cont’d)... 36
Table 3-3: TTL Digital I/O Pin Definition ......................................... 37
Table 3-4: Timer/Counter Pin Definition.......................................... 38
x List of Tables
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Indice
