ADLINK Technology PCI-9524 User manual

Advance Technologies; Automate the World.
Manual Revision: 2.00
Revision Date: April 09, 2008
Part No: 50-11236-1000
PCI-9524
24-Bit Precision Load Cell Input Card
User’s Manual

PCI-9524 ADLINK Technology, Inc.
User’s Manual Copyright 2008
ii
Revision History
Revision Release Date Description of Change(s)
2.00 2008/04/09 Document Created
Initial Release

Preface iii
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
Preface
Copyright 2008 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,
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
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
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. LabVIEW™ is a trademark of National Instruments
Corporation. Microsoft®, Visual Basic®, Visual C++®, Windows®

iv Preface
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
98, Windows®NT, Windows®2000, Windows®XP, and Windows®
Vista®are registered trademarks of 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 pur-
poses only and may be trademarks and/or registered trademarks
of their respective companies.

Preface v
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
Using this Manual
Audience and Scope
The PCI-9524 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-9524, its
features, applications, specifications and operating software
environment.
Chapter 2, Installation: Describes how to install the PCI-9524
into your chassis and basic PCI configuration settings.
Chapter 3, Signal Connections: Describes signal
connections between PCI-9524 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-9524.
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 ADLINK products and services.

vi Preface
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
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 per-
form tasks.
CAUTION:
Information to prevent minor physical injury, component
damage, data loss, and/or program corruption when try-
ing to complete a task.
WARNING:
Information to prevent serious physical injury, compo-
nent damage, data loss, and/or program corruption
when trying to complete a specific task.

Preface vii
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
Acronyms & Terminology
The following terms are used throughout this document. This list is
prepared in alphabetical order for clarity.
A/mA - (Ampere/amp/milliampere) a unit of electric current, or
amount of electric charge per second
AGND - Analog Ground
AI - Analog Input
AO - Analog Output
BIOS - Basic Input/Output System
bit - Binary digit, the basic unit of information storage in computing
byte - An 8-bit binary digit standard unit of information in
computing
CD - Compact Disk
ch (CH) - Channel
CLK/DIR - Clock Direction
CMRR - Common-mode rejection ratio
CW/CCW - Clock Wise, Counter Clock Wise
DAQ - Data Acquisition
dB - Decibel, a logarithmic unit of measurement in acoustics and
electronics
DC - Direct Current
DI - Differential Input
DLL (.dll) - Dynamic-link libraries, a library subroutine file type and
common filename extension in Microsoft Windows.
DMA (UDMA) - Direct Memory Access / Ultra DMA
DO - Digital Output
DSP - Digital Signal Processor
EEPROM (E2PROM) - Electrically Erasable Programmable Read-
Only Memory

viii Preface
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
EMI - Electromagnetic Interference
ENOB - Effective Number of Bits
FIFO - First In, First Out
FPGA - Field-Programmable Gate Array
GB - Gigabyte (1,073,741,824 bytes)
Hz/KHz/MHz - hertz / Kilo hertz / Mega hertz, standard unit of
frequency
I/O (IO) - Input / Output
IIH - Input current at logic high
IIL - Input current at logic low
IIR - Infinite impulse response
IOL - Output current at logic low
IRQ / SERIRQ - Interrupt Request / Serial Interrupt Request
ITU - International Telecommunications Union
LabVIEW - Laboratory Virtual Instrumentation Engineering
Workbench, a visual programming
LBS - Least significant bit
LED - Light Emitting Diode
MB - Megabyte (1,048,576 bytes)
MOSFET - Metal-Oxide Semiconducgtor Field Effect
ohm - a standard unit of electrical resistance “Ω“
OS - Operating System
PC - Personal Computer
PCI - Peripheral Component Interconnect
RMS - Root Mean Square
RSV - Reserved
SNR - Singnal to Noise Ratio
SPS - Samples per Second
SSI - Synchronization System Interface

Preface ix
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
TBD - To Be Determined
TTL - Transistor-Transistor Logic, digital circuits built from bipolar
junction transistors and resistors.
V/mV/µV - Volt / milli Volt / micro Volt, a derived unit of electrical
potential difference
VHDCI - Very high density cable interconnect
VIH - Input voltage at logic high
VIL - Input voltage at logic low
VOH - Output volage at logic high
VOL - Output voltage at logic low
W - Watt

x Preface
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
Reference Documentation
The following list of documents may be used as reference materi-
als to support installation, configuration and/or the operation of the
PCI-9524. This list is prepared in alphabetical order (by vendor/
organization name, then by document title) for clarity.
Vendor(s) Title Rev.
American National
Standards Institute
TIA-422 Electrical Characteristics of
Balanced Voltage Differential Interface
Circuits
B
Telecommunications
Industry Association ITU-T Recommendation V.11 11

Preface xi
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
Getting Service
Contact us should you require any service or assistance.
ADLINK TECHNOLOGY INC. (HEADQUARTERS)
Web Site: http://www.adlinktech.com
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 9F No. 166 Jian Yi Road, Chungho City,
Taipei 235, Taiwan, ROC
ADLINK TECHNOLOGY AMERICA INC.
Sales & Service: [email protected]
Toll-Free: +1-866-4 ADLINK
Fax No.: [phone]
Mailing Address: 8900 Research Drive, Irvine,
CA 92618, USA
ADLINK TECHNOLOGY CO. LTD. (BEIJING)
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: Rm. 801, Power Creative E, No. 1, B/D
Shang Di East Rd.
Beijing, 100085 China
ADLINK TECHNOLOGY CO. LTD. (SHANGHAI)
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 4F, Bldg. 39, No.333 Qinjiang Road,
Cao He Jing High-Tech Park
Shanghai, 200233 China
ADLINK TECHNOLOGY CO. LTD. (SHENZHEN)
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 2F, C Block, Bld. A1,
Cyber-Tech Zone, Gao Xin Ave. Sec. 7,
High-Tech Industrial Park S.,
Shenzhen, 518054 China

xii Preface
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
ADLINK TECHNOLOGY INC. (EUROPEAN Liaison Office)
Sales & Service: em[email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: Nord Carree 3, 40477
Düsseldorf, Germany
ADLINK TECHNOLOGY JAPAN CORP.
Sales & Service [e-mail]
Telephone No. [phone]
Fax No. [phone]
Mailing Address Asahiseimei Hatagaya Bld. 8Fl. 1-1-2
Hatagaya Shibuya-ku, Tokyo, Japan
ADLINK TECHNOLOGY INC. (SOUTH KOREA Liaison Office)
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: #402, Dongsung B/D, 60-12,
Nonhyeon-dong Gangnam-gu,
Seoul, 135-010, South Korea
ADLINK TECHNOLOGY SINGAPORE PTE. LTD.
Sales & Service: [email protected]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: 84 Genting Lane #07-02A,
Cityneon Design Center,
Singapore 349584
ADLINK TECHNOLOGY SINGAPORE PTE. LTD. (INDIA Liaison Office)
Sales & Service: [e-mail]
Telephone No.: [phone]
Fax No.: [phone]
Mailing Address: No. 1357, Ground Floor, "Anupama",
Aurobindo Marg JP Nagar (Ph-1)
Bangalor, Karnataka 560078, India

Table of Contents xiii
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
Table of Contents
PCI-9524..................................................................................... i
Revision History...................................................................... ii
Preface .................................................................................... iii
Copyright 2008 ADLINK TECHNOLOGY INC. ...............iii
Disclaimer .......................................................................iii
Environmental Responsibility ..........................................iii
Trademarks .....................................................................iii
Using this Manual ........................................................... v
Conventions ....................................................................vi
Acronyms & Terminology ...............................................vii
Reference Documentation .............................................. x
Getting Service ...............................................................xi
Table of Contents................................................................. xiii
List of Figures ..................................................................... xvii
List of Tables........................................................................ xix
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-9524 Layout................................................................ 23
2.4 Installing the Card.............................................................. 24
2.5 PCI Configuration .............................................................. 25

xiv Table of Contents
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
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............................................................ 34
3.3 Isolated Digital Signal Connection ..................................... 38
3.3.1 Signal Sources and Terminal Devices ................................ 38
3.3.2 Connecting to/from External Encoders ............................... 40
3.3.3 Connecting to External Servo Amplifiers ............................ 42
3.3.4 Interfacing Isolated DO with External Loads....................... 43
3.3.5 Interfacing Isolated DI with External Devices...................... 45
4 Operation Theory .............................................................. 47
4.1 PCI-9524 Function Diagram .............................................. 47
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 .............................. 55
4.2.8 Warm-up Requirement........................................................ 58
4.2.9 Post-processing IIR Digital Filter......................................... 58
4.2.10RAW Data Format............................................................... 61
4.2.11AD Data Format .................................................................. 62
4.2.12Data Transfer Modes .......................................................... 64
4.2.13Trigger Modes..................................................................... 66
4.3 D/A Conversion.................................................................. 67
4.4 Isolated Encoder Input Channels....................................... 67
4.5 Isolated Pulse-Command Generator ................................. 69
4.6 Isolated Digital I/O.............................................................. 69

Table of Contents xv
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
4.6.1 Isolated Digital Inputs ......................................................... 70
4.6.2 Isolated Digital Outputs....................................................... 70
4.7 Trigger Sources ................................................................. 70
4.7.1 Software-Trigger ................................................................. 70
4.7.2 External Digital Trigger ....................................................... 70
4.7.3 Pulse Comparator Trigger .................................................. 71
4.7.4 Position Comparator Trigger............................................... 72
5 Calibration......................................................................... 73
5.1 Loading Calibration Constants........................................... 73
5.2 Auto-calibration.................................................................. 74
5.3 Saving Calibration Constants ............................................ 74
Important Safety Instructions .............................................. 75
Warranty Policy..................................................................... 77

xvi Table of Contents
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
This page intentionally left blank.

List of Figures xvii
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
List of Figures
Figure 1-1: PCI-9524 Product Image ................................................. 1
Figure 1-2: Effective-number-of-bits vs. Gain .................................... 9
Figure 1-3: RMS Noise in µV vs. Gain ............................................... 9
Figure 1-4: Spectral Response ±10V range,
0.996094 Hz sine wave, -1 dB FS ................................. 10
Figure 1-5: Spectral Response ±5V range,
0.996094 Hz sine wave, -1 dB FS ................................. 10
Figure 1-6: Spectral Response ±2.5V range,
0.996094 Hz sine wave, -1 dB FS ................................. 11
Figure 1-7: Spectral Response ±1.25V range,
0.996094 Hz sine wave, -1 dB FS ................................. 11
Figure 1-8: Frequency Response Sampling at 30,000 SPS ............ 12
Figure 1-9: Frequency Response Sampling at 15,000 SPS ............ 12
Figure 1-10: Frequency Response Sampling below 15,000 SPS...... 13
Figure 2-1: PCI-9524 PCB Layout and Mechanical Drawing ........... 23
Figure 3-1: CN1 Connector & Pin Assignments............................... 27
Figure 3-2: CN2 Connector & Pin Assignments............................... 29
Figure 3-3: SSI Connector & Pin Assignments ................................ 31
Figure 3-4: Connecting to a four-terminal load-cell transducer
using a four-wire connection.......................................... 34
Figure 3-5: Connecting to a six-terminal load-cell transducer
using a six-wire connection............................................ 35
Figure 3-6: Connecting to a four-terminal load-cell transducer
using a six-wire connection............................................ 36
Figure 3-7: Ground-referenced source and differential input ........... 37
Figure 3-8: Floating source and differential input............................. 37
Figure 3-9: Connecting to an external encoder
with NPN sink drivers..................................................... 40
Figure 3-10: Connecting to an external encoder
with PNP source drivers ................................................ 40
Figure 3-11: Connecting to an external encoder
with push-pull source drivers ......................................... 41
Figure 3-12: Connecting to an external encoder
with differential line-drivers ............................................ 41
Figure 3-13: Connecting to an external servo-amplifier
with opto-coupler inputs................................................. 42
Figure 3-14: Connecting to an external servo-amplifier
with differential line-receivers ........................................ 42

xviii List of Figures
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
Figure 3-15: Connecting to an external resistive load
from the isolated DO sink driver .................................... 43
Figure 3-16: Connecting to an external inductive load
from an isolated DO sink driver ..................................... 44
Figure 3-17: Connecting to a low-side push button............................ 45
Figure 3-18: Connecting to an external sink driver ............................ 46
Figure 4-1: PCI-9524 Function Diagram .......................................... 47
Figure 4-2: Signal acquisition and data processing flow
for transducer input channels ........................................ 48
Figure 4-3: SINC Filter Power Line Noise Rejection
at 60 Hz Multiples .......................................................... 54
Figure 4-4: The Effect of Auto-zero on Thermal Noise and
1/f Noise, ADC running at 60 SPS................................. 57
Figure 4-5: Digital Filter Tap Length Effects
on Signal Frequency Responses................................... 59
Figure 4-6: Linked List of PCI address DMA descriptors ................. 65
Figure 4-7: Post trigger .................................................................... 66
Figure 4-8: X4 Encoder mode .......................................................... 68
Figure 4-9: External digital trigger .................................................... 71

List of Tables xix
ADLINK Technology Inc. PCI-9524
Copyright 2008 User’s Manual
List of Tables
Table 1-1: -3dB small signal bandwidth: (Typical, 25°C) .................. 4
Table 1-2: System Noise (including Quantization, Typical, 25°C) .... 4
Table 1-3: Transducer Input Impedance........................................... 5
Table 1-4: Transducer CMRR (DC to 60 Hz, Typical 25°C) ............. 5
Table 1-5: Settling Error: (Typical, 25°C).......................................... 6
Table 1-6: Programmable input range and gain ............................... 7
Table 1-7: -3dB small signal bandwidth vs. input range ................... 7
Table 1-8: -3dB small signal bandwidth vs. sampling rates,
in ±10V range .................................................................. 8
Table 1-9: General Purpose Input Impedance................................ 13
Table 1-10: General Purpose CMRR (DC to 60 Hz, Typical, 25°C) . 13
Table 1-11: Settling Error: (Typical, 25ºC) ........................................ 14
Table 3-1: I/O Signal Descriptions .................................................. 32
Table 4-1: Data Rates vs. Multiplexing, Auto-zero &
ADC Sampling Rates, in Samples-per-second (SPS) ... 53
Table 4-2: Temperature Coefficient of different metal junctions ..... 56
Table 4-3: Default Threshold Values (ADC counts)
vs. ADC Sampling Rates ............................................... 61
Table 4-4: RAW Data Format ......................................................... 61
Table 4-5: Bipolar analog input ranges and
output digital codes for transducer input channels ........ 63
Table 4-6: Bipolar analog input ranges and
AD codes for general purpose input channels............... 63
Table 4-7: Bipolar output code table ............................................... 67

xx List of Tables
PCI-9524 ADLINK Technology Inc.
User’s Manual Copyright 2008
This page intentionally left blank.