JYTEK PCI-69524 Manual de usuario

Advance Technologies; Automate the World.

Manual Revision: 1.00

Revision Date: Aug.26, 2017

PCI-69524

24-Bit Precision Load Cell Input Card

User’s Manual

Preface iii

Preface

This document contains proprietary information protected by copyright.

All 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. All specifications are subject to

change without further notice.

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, 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 damages.

Environmental Responsibility

JYTEK is committed to fulfill its social responsibility to global environ-

mental preservation through compliance with the European Union's

Restriction of Hazardous Substances (RoHS) directive and Waste Electri-

cal and Electronic Equipment (WEEE) directive. Environmental protec-

tion is a top priority for JYTEK. We have enforced measures to ensure

that our products, manufacturing 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 dis-

pose of them in accordance with the product disposal and/or recovery

programs prescribed by their nation or company.

Trademarks

PC, PS/2, and VGA are registered trademarks of International Business

Machines Corp. Borland®, Borland® C, C++ Builder®, and Delphi® are

registered trademarks of the Borland Software Corporation. Microsoft®,

Visual Basic®, Visual C++®, Windows® 98, Windows® NT, Windows® 2000,

Windows® XP, and Windows® Vista® are registered trademarks of

iv Preface

Microsoft® Corporation. PCI™, is a registered trademark of the

Peripheral Component Interconnect Special Interest Group (PCI-SIG).

Product names mentioned herein are used for identification purposes

only and may be trademarks and/or registered trademarks of their

respective companies.

Preface v

Using this Manual

Audience and Scope

The PCI-69524 User’s Manual is intended for hardware technicians and

systems operators with knowledge of installing, configuring and

operating industrial grade PCI cards.

Manual Organization

This manual is organized as follows:

Preface: Presents important copyright notifications, disclaimers,

trademarks, and associated information on the proper

understanding and usage of this document and its associated

product(s).

Chapter 1, Introduction: Introduces the PCI-69524, its features,

applications, specifications and operating software environment.

Chapter 2, Installation: Describes how to install the PCI-69524 into

your chassis and basic PCI configuration settings.

Chapter 3, Signal Connections: Describes signal connections

between PCI-69524 and external devices.

Chapter 4, Operation Theory: Describes A/D and D/A conversions,

pulse-commands, encoder inputs and isolated digital I/O signals to

assist users in understanding how to configure and program the

cPCI-69524.

Chapter 5, Calibration: Presents the calibration process to minimize

measurement and output errors.

Important Safety Instructions: Presents safety instructions all users

must follow for the proper setup, installation and usage of

equipment and/or software.

Warranty Information: Presents important warranty information for

users/manufacturers rights and responsibilities regarding JYTEK

products and services.

Getting Service: Contact information for JYTEK’s worldwide offices.

vi Preface

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

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

complete 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 vii

Table of Contents

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

Table of Contents.......................................................................... vii

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

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

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

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

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

1.3 Specifications ................................................................................. 3

1.4 Software Support......................................................................... 19

2 Getting Started ....................................................................... 21

2.1 Installation Environment ............................................................. 21

2.2 Package Contents ........................................................................ 22

2.3 PCI-69524 Layout......................................................................... 23

2.4 Installing the Card........................................................................ 24

2.5 PCI Configuration ......................................................................... 25

3 Signal Connections .................................................................. 27

3.1 Connectors & Pin Assignments.................................................... 27

3.2 Analog Input Signal Connections ................................................. 33

3.2.1 Signal Sources....................................................................33

3.2.2 Input Configurations..........................................................33

3.3.1 Signal Sources and Terminal Devices.................................38

3.3.2 Connecting to/from External Encoders .............................40

3.3.5 Interfacing Isolated DI with External Devices....................45

4 Operation Theory.................................................................... 47

4.1 PCI-69524 Function Diagram ....................................................... 47

viii Table of Contents

4.2 Analog Input Channels................................................................. 48

4.2.1 Signal Acquisition and Processing Flow............................. 48

4.2.2 How to Define a 1 in 200,000 Count Resolution ............... 49

4.2.3 Data Rate versus Sampling Rate........................................ 51

4.2.4 Auto-scan, Multiplexing and Settling Time ....................... 51

4.2.5 Power Line Noise Rejection............................................... 53

4.2.6 Excitation and Remote-sensing......................................... 54

4.2.7 Thermal EMF, 1/f Noise and Auto-zero............................. 54

4.2.8 Warm-up Requirement ..................................................... 57

4.2.9 Post-processing IIR Digital Filter........................................ 57

4.2.10 RAW Data Format ............................................................. 60

4.2.11 AD Data Format................................................................. 61

4.2.12 Data Transfer Modes......................................................... 63

4.2.13 Trigger Modes ................................................................... 64

4.3 D/A Conversion ........................................................................... 65

4.4 Isolated Encoder Input Channels................................................. 66

4.5 Isolated Pulse-Command Generator ........................................... 67

4.6 Isolated Digital I/O....................................................................... 68

4.6.1 Isolated Digital Inputs ....................................................... 68

4.6.2 Isolated Digital Outputs .................................................... 68

4.7 Trigger Sources............................................................................ 69

4.7.1 Software-Trigger ............................................................... 69

4.7.2 External Digital Trigger...................................................... 69

4.7.3 Pulse Comparator Trigger ................................................. 70

4.7.4 Position Comparator Trigger............................................. 71

5 Calibration ............................................................................... 73

5.1 Loading Calibration Constants..................................................... 73

5.2 Auto-calibration........................................................................... 74

5.3 Saving Calibration Constants....................................................... 74

Important Safety Instructions ....................................................... 75

Table of Contents ix

Warranty Policy ........................................................................... 77

Getting Service............................................................................. 79

x Table of Contents

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