JYTEK PCI-69524 User manual

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

ii

Preface iii
Preface
Copyright
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:
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

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