NuDAQ ACL-8111 Manuel utilisateur
NuDAQ®
ACL-8111
16-bit High Resolution
Data Acquisition Card
User’s Guide
Recycled Paper
©Copyright 1995~2001 ADLINK Technology Inc;
All Rights Reserved.
Manual Rev. 2.60: April 28, 2003
Part No: 50-11010-102
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, special,
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
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rights are reserved. No part of this manual may be reproduced by any
mechanical, electronic, or other means in any form without prior written
permission of the manufacturer.
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Table of Contents •i
Table of Contents
Chapter 1 Introduction ..................................................... 1
1.1 Features .................................................................................2
1.2 Applications............................................................................3
1.3 Specifications .........................................................................4
1.4 Software Supporting ..............................................................7
1.4.1 ACLS-DLL2 .........................................................................7
1.4.2 ACLS-LVIEW.......................................................................7
Chapter 2 Installation ....................................................... 8
2.1 Unpacking ..............................................................................9
2.2 What You Have......................................................................9
2.3 PCB Layout..........................................................................10
2.4 Base Address Setting ..........................................................11
2.5 D/A Reference Voltage Setting ............................................13
2.6 Connectors Pin Assignments...............................................14
2.7 Daughter Board Connection ................................................16
2.7.1 Connect with ACLD-9137 ..................................................16
2.7.2 Connect with ACLD-9182 ..................................................16
2.7.3 Connect with ACLD-9185 ..................................................16
2.7.4 Connect with ACLD-9188 ..................................................17
Chapter 3 Registers Format .......................................... 18
3.1 Registers Address Map........................................................18
3.2 A/D Data Registers ..............................................................19
3.3 A/D Channel Multiplexer Register........................................20
3.4 A/D Input Range Control Register .......................................21
3.5 Mode and Interrupt Control Register ...................................22
3.6 Interrupt Status Register ......................................................23
3.7 Software Trigger Register ....................................................23
3.8 Digital I/O register ................................................................24
3.9 D/A Output Register.............................................................24
ii •Table of Contents
Chapter 4 Operation Theorem ....................................... 26
4.1 A/D Conversion....................................................................26
4.1.1 A/D Conversion Procedure................................................27
4.1.2 A/D Clock Sources (Trigger Modes)..................................27
4.1.3 A/D Data Transfer Modes..................................................29
4.2 D/A Conversion....................................................................30
4.3 Digital Input and Output .......................................................32
Chapter 5 C/C++ Library for DOS .................................. 33
5.1 DOS Software Library Installation........................................34
5.1.1 Installation .........................................................................34
5.1.2 Running Utility ...................................................................34
5.1.3 Example Programs............................................................34
5.2 _8111_Initial.........................................................................35
5.3 _8111_Switch_Card_No ......................................................36
5.4 _8111_DI..............................................................................37
5.5 _8111_DI _Channel .............................................................38
5.6 _8111_DO............................................................................39
5.7 _8111_DA ............................................................................40
5.8 _8111_AD_Set_Channel .....................................................41
5.9 _8111_AD_Set_Gain ...........................................................42
5.10 _8111_AD_Set_Mode..........................................................43
5.11 _8111_AD_Soft_Trig ...........................................................44
5.12 _8111_AD_Aquire................................................................45
5.13 _8111_CLR_IRQ .................................................................46
5.14 _8111_AD_INT_Start...........................................................47
5.15 _8111_AD_INT_Status ........................................................48
5.16 _8111_AD_INT_Stop...........................................................48
5.17 _8111_AD_Timer.................................................................49
Chappter 6 Calibration ................................................... 50
6.1 What do you need................................................................50
6.2 VR Assignments...................................................................51
6.3 D/A Calibration.....................................................................51
6.4 A/D Calibration.....................................................................52
Appendix A. Demo. Programs....................................... 53
Warranty Policy .................... Error! Bookmark not defined.
Introduction •1
1
Introduction
The ACL-8111 is a multi-function, high performance, and general-purpose
data acquisition card for the IBM Personal Computer and compatible
computers. The registers map is fully compatible with PCL-711B.
The ACL-8111 is designed to combine all the data acquisition functions, such
A/D, D/A, D/O, and D/I in a single board, The high-end specifications of the
card makes it ideal for wide range of applications in industrial and laboratory
automation.
2 •Introduction
1.1 Features
The ACL-8111 Enhanced Multi-function Data Acquisition Card provides the
following advanced features:
•8 single-ended 12-bit analog input channels
•On-chip sample & hold
•Variable input range: ±5V, ±2.5V, ±1.25V, ±0.625V, and ±0.3125V
•One 12-bit monolithic multiplying analog output channel
•16 digital output channels
•16 digital input channels
•Three A/D trigger modes: Software trigger, Programmable pacer and
external trigger
•Programmable IRQ level for A/D data transfer
•Rugged 37-pin D-sub connector
•Compact size PCB
Introduction •3
1.2 Applications
•Industrial and laboratory ON/OFF control
•Energy management
•Annunciation
•16 TTL/DTL compatible digital input channels
•Security controller
•Product test
•Period and pulse width measurement
•Event and frequency counting
•Waveform and pulse generation
4 •Introduction
1.3 Specifications
♦Analog Input (A/D)
•Converter: ADS-774 or equivalent one, successive approximation
type
•Resolution: 12-bit
•Number of channels: 8 single-ended
•Programmable Gain: 1, 2, 4, 8, 16 (programmable)
•Input Range: (programmable)
Bipolar: ±5V, ±2.5V, ±1.25V, ±0.625V, and ±0.3125V
•Conversion Time: 8 µsec
•Maximum Sampling Rate: ≤50KHz
•Over-voltage protection: Continuous ±35V maximum
•Accuracy: 0.015% of reading ±1 Bit LSB
•Input Impedance: 10 MΩ
•AD Clock Sources (trigger modes): Software trigger, internal timer
pacer, and external pulse trigger
•Data Transfer Modes: Polling and Interrupt
♦Analog Output (D/A)
•Converter: DAC7548 or equivalent, monolithic multiplying
•Number of channel: 1 double-buffered analog outputs
•Resolution: 12-bit
•Output Range:
Internal reference: (unipolar) 0~5V or 0~10V
External reference: (unipolar) max. +10V or -10V
•Settling Time: 30 µsec
•Linearity: ±1/2 bit LSB
•Output driving capability: ±5mA max.
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