ADLINK ACL-6126 User Manual

NuDAQ®

ACL-6126

6-Channel D/A Output

& DIO Card

User’s Guide

©Copyright 1996~2001 ADLINK Technology Co., Ltd.

All Rights Reserved.

Manual Rev. 3.40: April 25, 2003

Part No. 50-11002-101

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.

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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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Table of Contents

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

1.1 Features ................................................................................. 2

1.2 Applications............................................................................ 2

1.3 Specifications......................................................................... 2

1.4 Software Support ...................................................................4

1.4.1 Programming Library ...........................................................4

1.4.2 LabView Driver ....................................................................4

Installation ........................................................................ 5

2.1 What You Have......................................................................5

2.2 Unpacking ..............................................................................6

2.3 ACL-6126's Layout ................................................................7

2.4 Jumper and DIP Switch Description ......................................8

2.5 Base Address Setting ............................................................8

2.6 IRQ Level Setting...................................................................9

2.7 D/A Output Configuration..................................................... 10

2.8 Connector Pin Assignment .................................................. 13

2.9 Signal Connection................................................................15

2.10 Software Installation.............................................................16

Registers Format ............................................................ 17

3.1 I/O Port Address ..................................................................17

3.2 D/A Data Register ................................................................18

3.3 Digital I/O Register...............................................................20

3.4 Demonstration Programs.....................................................20

Warranty Policy .............................................................. 21

Table of Contents • i

How to Use This Manual

This manual is written to help you use the ACL-6126. The manual
describes how to modify various settings on the ACL-6126 card to meet
your requirements. It is divided into three chapters:

Chapter 1

¾

features, applications and specifications.

Chapter 2

¾

including the jumper setting for base address, interrupt IRQ
level and D/A output ranges. The layout of ACL-6126 is also
shown, Besides, all connectors' pins assignment are also
specified.

Chapter 3

¾

6126 for analog outputs and digital I/Os.

, "Introduction," gives an overview of the product

, "Installation," describes how to install the ACL-6126,

, "Programming," describes how to program the ACL-

ii • How to Use This Guide

1

Introduction

The ACL-6126 provides 6-channel analog outputs, 16-channel digital
inputs and 16-channel digital outputs add-on card for the IBM Personal
Computer and compatible computers. It is designed for industrial
control applications requiring analog outputs ( voltage and current )with
12-bit resolution in rugged environment.

The ACL-6126 transmits six analog outputs with various user
configurable ranges of : 0 ~ +10V, 0 ~ +5V ±10V, ±5V, and 4 to 20 mA
current loop.

Each D/A has a double-buffered output for single-step update and
occupies its own I/O location. Also, a rugged and reliable 37-pin D-sub
style connector is provided for analog outputs.

In addition to the 6 analog outputs, the ACL-6126 has 16 digital inputs
and 16 digital outputs, all of the digital channels are TTL compatible.
The ACLD-9182 ( 16-bit Isolation digital input board) and ACLD-9185
( 16-bit relay output board) are designed for connection with the digital
input and output.

We apply the state-of-the-art technology and components when
designing ACL-6126. Its compact size PCB board let this card easily fit
into any kind of chassis. Also, all the components on the card are SMT
type,so it improves the reliability and quality of this card.

Introduction • 1

1.1 Features

¾ The ACL-6126 6-channel D/A Output Card provides the

following advanced features:

¾ AT Bus support

¾ Six multiplying analog output channels

¾ 12-bit resolution, double buffered D/A converter

¾ Multiple Output Range : Unipolar : 0 ~ +5 V , 0 ~ +10 V

Bipolar : ± 5 V, ± 10 V
Current Loop : 4 ~ 20mA

¾ All D/A outputs will be 0V after RESET or POWER-ON

¾ 16 digital output channels

¾ 16 digital input channels

¾ Enhanced IRQ capability from IRQ3 to IRQ15

¾ Register structure is fully compatible with Advantech's PCL-726

1.2 Applications

¾ Industrial and laboratory ON/OFF control

¾ Energy management

¾ Function generator

¾ Programmable voltage source

¾ Security controller

¾ DIP loop control

¾ Programmable current sink

¾ Waveform and pulse generation

1.3 Specifications

Analog Output( D/A )

¾

• Converter: DAC7541 AJP or equivalent

• Conversion type : monolithic multiplying

• Number of channels : 6 channels

• Resolution : 12-bit, double buffered output

• Output ranges : Unipolar :0V~+5V or 0~+10V

2 • Introduction

Bipolar : ±5V or ± 10V

4 ~ 20mA current loop (sink)

• Reference Voltage : ± 10V with external DC or AC
reference; Internal : -5V or -10V

• Current Loop : External : +10V or -10V max.

• Settling time : 70 microsecond max.

• Linearity : ± 1/2 bit

• Accuracy : ± 0.012% of full scale range

• Voltage driving capability : ± 5mA (max.)

• Current Loop exciting voltage : 4 ~ 20 mA (sink) 8V(min.) ,

36V(max.) for current loop
4mA ~ 20mA

• Output initial status : 0V ( after RESET or POWER-ON)

Digital Input (D/I)

¾

• Channel : 1 6 channels

• Level : TTL compatible

• Input logic low voltage : Min. -0.5V; Max. 0.8V

• Input logic high voltage : Min. 2.0V; Max. 5.0V

• Input loading current : Max. 0.2 mA at 0.4V

• Input hysteresis : Typical 0.4V; Min. 0.2V

Digital Output (D/O)

¾

• Channel : 1 6 channels

• Level : TTL compatible

• Input logic low voltage(Sink) : Max. 0.5V at 24mA

Max. 0.4V at 12mA

• Input logic high voltage (Source) : Min 2.0V at 15mA

Min. 2.4V at 3mA

• Driving Capacity :

• Input hysteresis : Typical 0.4V; Min. 0.2V

General Specification

¾

• Bus: PC/AT bus

All inputs and outputs are TTL/DTL

compatible and outputs will drive
standard TTL load (74 series) or
LSTTL (74LS) loads

Introduction • 3