CAN
Getting Started with Your CAN
™
Hardware and the NI-CAN
Software for Windows NT
Getting Started with CAN for Windows NT
January 1998 Edition
Part Number 321372C-01
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Important Information
Warranty
The CAN hardware is warranted against defects in materials and workmanship for a period of one year from the date
of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace
equipment that proves to be defective during the warranty period. This warranty includes parts and labor.
The media on which you receive National Instruments software are warranted not to fail to execute programming
instructions, due to defects in materials and workmanship, for a period of 90 days from date of shipment, as evidenced
by receipts or other documentation. National Instruments will, at its option, repair or replace software media that do not
execute programming instructions if National Instruments receives notice of such defects during the warranty period.
National Instruments does not warrant that the operation of the software shall be uninterrupted or error free.
A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the outside
of the package before any equipment will be accepted for warranty work. National Instruments will pay the shipping costs
of returning to the owner parts which are covered by warranty.
National Instruments believes that the information in this manual is accurate. The document has been carefully reviewed
for technical accuracy. In the event that technical or typographical errors exist, National Instruments reserves the right to
make changes to subsequent editions of this document without prior notice to holders of this edition. The reader should
consult National Instruments if errors are suspected. In no event shall National Instruments be liable for any damages
arising out of or related to this document or the information contained in it.
EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AND SPECIFICALLY DISCLAIMS
ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. CUSTOMER’S RIGHT TO RECOVER DAMAGES CAUSED
BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE
CUSTOMER. NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS,
OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. This limitation of the liability of
National Instruments will apply regardless of the form of action, whether in contract or tort, including negligence.
Any action against National Instruments must be brought within one year after the cause of action accrues. National
Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control. The warranty
provided herein does not cover damages, defects, malfunctions, or service failures caused by owner’s failure to follow
the National Instruments installation, operation, or maintenance instructions; owner’s modification of the product;
owner’s abuse, misuse, or negligent acts; and power failure or surges, fire, flood, accident, actions of third parties,
or other events outside reasonable control.
Copyright
Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or mechanical,
including photocopying, recording, storing in an information retrieval system, or translating, in whole or in part, without
the prior written consent of National Instruments Corporation.
Trademarks
CVI™, LabVIEW™, natinst.com™, and NI-CAN™ are trademarks of National Instruments Corporation.
Product and company names listed are trademarks or trade names of their respective companies.
WARNING REGARDING MEDICAL AND CLINICAL USE OF NATIONAL INSTRUMENTS PRODUCTS
National Instruments products are not designed with components and testing intended to ensure a level of reliability
suitable for use in treatment and diagnosis of humans. Applications of National Instruments products involving medical
or clinical treatment can create a potential for accidental injury caused by product failure, or by errors on the part of the
user or application designer. Any use or application of National Instruments products for or involving medical or clinical
treatment must be performed by properly trained and qualified medical personnel, and all traditional medical safeguards,
equipment, and procedures that are appropriate in the particular situation to prevent serious injury or death should always
continue to be used when National Instruments products are being used. National Instruments products are NOT intended
to be a substitute for any form of established process, procedure, or equipment used to monitor or safeguard human health
and safety in medical or clinical treatment.
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FCC/DOC Radio Frequency Interference
Class A Compliance
This equipment generates and uses radio frequency energy and, if not installed and used in strict accordance
with the instructions in this manual, may cause interference to radio and television reception. Classification
requirements are the same for the Federal Communications Commission (FCC) and the Canadian
Department of Communications (DOC). This equipment has been tested and found to comply with the
following two regulatory agencies:
Federal Communications Commission
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Notices to User: Changes or modifications not expressly approved by National Instruments could void
the user’s authority to operate the equipment under the FCC Rules.
This device complies with the FCC rules only if used with shielded interface cables
of suitable quality and construction. National Instruments used such cables to test
this device and provides them for sale to the user. The use of inferior or nonshielded
interface cables could void the user’s authority to operate the equipment under the
FCC rules.
If necessary, consult National Instruments or an experienced radio/television technician for additional
suggestions. The following booklet prepared by the FCC may also be helpful: Interference to Home
Electronic Entertainment Equipment Handbook. This booklet is available from the U.S. Government
Printing Office, Washington, DC 20402.
Canadian Department of Communications
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur
du Canada.
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About This Manual
How to Use the Manual Set .............................................................................................ix
Organization of This Manual...........................................................................................x
Conventions Used in This Manual...................................................................................xi
Chapter 1
Introduction
How to Use This Manual.................................................................................................1-1
CAN Hardware Overview ...............................................................................................1-2
Chapter 2
Installation and Configuration
Installing for Windows NT 4.0..........................................................................2-1
Install the CAN Hardware ...............................................................................................2-3
Install Your PCMCIA-CAN or PCMCIA-CAN/2 ............................................2-5
Connect the Cables............................................................................................2-6
Configure the NI-CAN Software.....................................................................................2-6
Chapter 3
Verify the Installation
Chapter 4
Begin to Use the NI-CAN Software
Using the NI-CAN Software............................................................................................4-1
General Programming Considerations.............................................................................4-2
© National Instruments Corporation
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Contents
Appendix A
Uninstall the Hardware and Software
Uninstalling the CAN Hardware from Windows NT...................................................... A-1
Uninstalling the NI-CAN Software from Windows NT.................................................. A-1
Appendix B
Cabling Requirements
Bus Power Supply Requirements.................................................................................... B-4
Cable Specifications ........................................................................................................ B-5
Maximum Number of Devices ........................................................................................ B-6
Cable Termination........................................................................................................... B-6
Appendix C
Missing CAN Interface in the NI-CAN Configuration Utility........................................ C-1
Troubleshooting Diagnostic Utility Failures................................................................... C-1
Resource Errors................................................................................................. C-1
Missing CAN Interface ..................................................................................... C-2
CAN Hardware Problem Encountered.............................................................. C-2
Common Questions ......................................................................................................... C-2
Appendix D
Specifications
Appendix E
Glossary
Figures
Figure 2-1.
Figure 2-2.
Figure 2-3.
Add/Remove Programs Properties Dialog Box ...................................... 2-2
NI-CAN Software Setup Screen ............................................................. 2-3
Installing the PCI-CAN........................................................................... 2-4
Getting Started with CAN for Windows NT
vi
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Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Inserting the PCMCIA-CAN...................................................................2-5
NI-CAN Settings for the PCI-CAN/2 .....................................................2-8
Figure 3-1.
Figure A-2. NI-CAN Uninstallation Results...............................................................A-3
Figure B-1.
Figure B-2.
Figure B-3.
Figure B-4.
Figure B-5.
Figure B-6.
Figure B-7.
Pinout for 5-Pin Combicon-Style Pluggable Screw Terminal ................B-2
PCMCIA-CAN Cable..............................................................................B-2
PCI-CAN/2 Power Source Jumpers ........................................................B-3
Power Source Jumpers ............................................................................B-4
Termination Resistor Placement .............................................................B-6
Tables
Table B-1.
Table B-2.
Table B-3.
Bus-Powered Versions ............................................................................B-4
CAN_L Pair of Wires..............................................................................B-5
DeviceNet Cable Length Specifications..................................................B-5
Table D-1.
Table D-2.
Table D-3.
PCI-CAN and PCI-CAN/2 Hardware Characteristics.............................D-1
PCMCIA-CAN and PCMCIA-CAN/2 Hardware Characteristics ..........D-2
CAN Port Characteristics for Bus-Powered Ports...................................D-2
© National Instruments Corporation
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Getting Started with CAN for Windows NT
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About This Manual
This manual contains instructions to help you install and configure the
National Instruments CAN hardware and the NI-CAN software for
Windows NT. The National Instruments CAN hardware supported under
Windows NT includes the PCI-CAN, PCI-CAN/2, PCMCIA-CAN, and
PCMCIA-CAN/2.
This manual assumes that you are already familiar with Windows NT.
How to Use the Manual Set
Installation and
Configuration
Getting Started
Manual
Novice
Users
Experienced
Users
NI-CAN Programmer
NI-CAN
Reference Manual
for Win32
User Manual
for Windows 95
and Windows NT
Function
and Object
Descriptions
Application
Development
and Examples
Use this getting started manual to install and configure your CAN hardware
and the NI-CAN software for Windows NT.
Use the NI-CAN User Manual for Windows 95 and Windows NT to learn
the basics of CAN and how to develop an application program. The user
manual also contains debugging information and detailed examples.
© National Instruments Corporation
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About This Manual
Use the NI-CAN Programmer Reference Manual for Win32 for specific
information about each NI-CAN function and object, such as format,
Organization of This Manual
•
Chapter 1, Introduction, explains how to use this manual, lists what
you need to get started and optional equipment you can order, and
Windows NT.
•
and configure the CAN hardware and the NI-CAN software for
Windows NT.
•
•
•
Chapter 3, Verify the Installation, describes how to verify the hardware
and software installation.
with the NI-CAN software for Windows NT.
to uninstall the CAN hardware and the NI-CAN software from
Windows NT.
•
•
•
•
Appendix B, Cabling Requirements, describes the cabling
Appendix C, Troubleshooting and Common Questions, describes how
to troubleshoot problems and answers some common questions.
the CAN hardware, along with the recommended operating conditions.
Appendix E, Customer Communication, contains forms you can use to
request help from National Instruments or to comment on our products
and manuals.
•
The Glossary contains an alphabetical list and a description of terms
used in this manual, including abbreviations, acronyms, metric
prefixes, mnemonics, and symbols.
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About This Manual
Conventions Used in This Manual
The following conventions are used in this manual:
»
The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options»Substitute
Fonts directs you to pull down the File menu, select the Page Setup item,
select Options, and finally select the Substitute Fonts option from the last
dialog box.
This icon to the left of bold italicized text denotes a note, which alerts you
to important information.
This icon to the left of bold italicized text denotes a caution, which advises
you of precautions to take to avoid injury, data loss, or a system crash.
!
Bold text denotes the names of menus, menu items, parameters, dialog
boxes, dialog box buttons or options, icons, windows, Windows NT tabs,
or LEDs.
bold
bold italic
Bold italic text denotes a note or caution.
CAN hardware
CAN hardware refers to the PCI-CAN, PCI-CAN/2, PCMCIA-CAN, and
PCMCIA-CAN/2 in cases where the material applies to all the interfaces.
italic
Italic text denotes emphasis, a cross reference, or an introduction to a key
concept. This font also denotes text for which you supply the appropriate
word or value, such as in Windows 3.x.
monospace
Text in this font denotes text or characters that you should literally enter
from the keyboard, sections of code, programming examples, and syntax
examples. This font is also used for the proper names of disk drives, paths,
directories, programs, subprograms, subroutines, device names, functions,
operations, variables, filenames, and extensions, and for statements and
comments taken from program code.
monospace italic
Italic text in this font denotes that you must supply the appropriate words
or values in the place of these items.
paths
Paths in this manual are denoted using backslashes (\) to separate drive
names, directories, folders, and files.
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About This Manual
Related Documentation
The following documents contain information that you may find helpful as
you read this manual:
•
ANSI/ISO Standard 11898-1993, Road Vehicles—Interchange of
Digital Information—Controller Area Network (CAN) for High-Speed
Communication
•
•
•
•
CAN Specification Version 2.0, 1991, Robert Bosch Gmbh.,
Postfach 500, D-7000 Stuttgart 1
CiA Draft Standard 102, Version 2.0, CAN Physical Layer for
Industrial Applications
DeviceNet Specification, Volume 1, Version 2.0, Open DeviceNet
Vendor Association
Microsoft Windows NT User’s Guide, Microsoft Corporation
Customer Communication
National Instruments wants to receive your comments on our products
and manuals. We are interested in the applications you develop with our
products, and we want to help if you have problems with them. To make it
easy for you to contact us, this manual contains comment and configuration
forms for you to complete. These forms are in Appendix E, Customer
Communication, at the end of this manual.
Getting Started with CAN for Windows NT
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1
Introduction
This chapter explains how to use this manual, lists what you need to get
started and optional equipment you can order, and briefly describes the
CAN hardware and the NI-CAN software for Windows NT.
How to Use This Manual
Gather What You Need
to Get Started
Chapter 1
Install the Software
Install the Hardware
Chapter 2
Configure the Software
Verify the Installation
Chapter 3
Chapter 4
No
Troubleshooting
Appendix
Passes?
Yes
Review Programming
Considerations
User Manual and
Programmer Reference
Manual
Write Application Program
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Chapter 1
Introduction
What You Need to Get Started
Make sure you have all of the following items before you attempt to install
the hardware and software:
❑ Windows NT 3.51 or later installed on your computer
❑ One of the following CAN interfaces, which is included in your kit:
PCI-CAN
PCI-CAN/2
PCMCIA-CAN
PCMCIA-CAN/2
❑ The following 3.5 in., high-density (1.44 MB) disks, which are
included in your kit:
NI-CAN Software for Windows 95 and Windows NT (Disk 1)
NI-CAN Software for Windows 95 and Windows NT (Disk 2)
❑ PCMCIA-CAN cable, which is included in your kit, if you have a
PCMCIA-CAN or PCMCIA-CAN/2
❑ CAN interface cables that meet the requirements in Appendix B,
Cabling Requirements
CAN Hardware Overview
The National Instruments CAN hardware supported under Windows NT
includes the PCI-CAN, PCI-CAN/2, PCMCIA-CAN, and
PCMCIA-CAN/2
The PCI-CAN and PCI-CAN/2 are completely software configurable
and compliant with the PCI Local Bus Specification. With a PCI-CAN
or PCI-CAN/2 board, you can make your PC-compatible computer with
PCI Local Bus slots communicate with and control CAN devices.
The PCMCIA-CAN and PCMCIA-CAN/2 are Type II PC Cards that are
completely software configurable and compliant with the PCMCIA
standards for 16-bit PC Cards. With a PCMCIA-CAN card or
PCMCIA-CAN/2 card, you can make your PC-compatible notebook with
PCMCIA sockets communicate with and control CAN devices.
The PCI-CAN and PCMCIA-CAN interfaces each have one CAN port. The
PCI-CAN/2 and PCMCIA-CAN/2 interfaces each have two CAN ports.
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Chapter 1
Introduction
CAN interfacing is accomplished using the Intel 82527 CAN controller
chip. The PCI-CAN physical layer fully conforms to the ISO 11898
physical layer specification for CAN and is optically isolated to 500 V.
PCI-CAN boards are available with two physical connector types: DB-9
D-Sub and Combicon-style pluggable screw terminals. PCMCIA-CAN
cables include both a DB-9 D-Sub and a Combicon-style pluggable screw
terminal. The CAN physical layer on PCI-CAN cards can be powered
either internally (from the card) or externally (from the bus cable power).
The power source for the CAN physical layer for each port is configured
with a jumper. There are two cables available for the PCMCIA-CAN cards.
In one cable the CAN physical layer is powered internally (from the card).
In the other cable the CAN physical layer is powered externally (from the
bus cable power). The CAN hardware supports a wide variety of transfer
rates up to 1 Mb/s.
All of the CAN hardware uses the Intel 386EX embedded processor to
implement time-critical features provided by the NI-CAN software. The
CAN hardware communicates with the NI-CAN driver through on-board
shared memory and an interrupt.
NI-CAN Software Overview
The NI-CAN software includes a native, 32-bit multitasking Windows NT
kernel driver.
The NI-CAN software for Windows NT supports the concurrent use of
multiple types of CAN hardware. For example, you can communicate with
CAN devices through both a PCI-CAN and PCI-CAN/2 in the same system
at the same time. The NI-CAN software is fully integrated into the
Windows NT operating system. It is configurable through the Windows NT
Control Panel and uninstallable through the Add/Remove Programs applet
of the Control Panel.
The NI-CAN software, along with the CAN hardware, transforms your
computer into a CAN interface with complete communications and bus
management capability. The NI-CAN software includes the following
components:
•
•
•
•
Firmware (runs on embedded Intel 386EX)
Device driver
Diagnostic test utility
Configuration utility
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Chapter 1
Introduction
•
•
Language interface libraries for Microsoft Visual C/C++ 2.0 or later,
LabWindows/CVI 4.0 or later, and LabVIEW 4.0 or later
Example programs that use NI-CAN functions
Optional Programming Tools
Your kit includes the NI-CAN software for Windows NT. In addition,
you can order the LabWindows/CVI or LabVIEW software from National
Instruments.
LabWindows/CVI is an interactive ANSI C development environment for
building test and measurement and instrument control systems. It includes
interactive code-generation tools and a graphical editor for building custom
user interfaces. It also includes built-in libraries for IEEE 488.2, VXI,
RS-232 control, and plug-in data acquisition. When you order
LabWindows/CVI, you also get hundreds of complete instrument drivers,
which are modular, source-code programs that handle the communication
with your instrument so that you do not have to learn the programming
details.
LabVIEW is a complete programming environment that departs from the
sequential nature of traditional programming languages and features a
graphical programming environment. It includes all the tools needed for
instrument control, data acquisition, analysis, and presentation. LabVIEW
also includes an extensive instrument driver library.
For more information about LabWindows/CVI and LabVIEW, contact
National Instruments.
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2
Installation and Configuration
This chapter describes how to install and configure the CAN hardware and
the NI-CAN software for Windows NT.
Install the NI-CAN Software
Before installing the CAN hardware, complete the following steps to install
the NI-CAN software for Windows NT.
Installing for Windows NT 3.51
1. Log in as Administratoror as a user that has Administrator
privileges.
2. Insert the NI-CAN Software for Windows 95 and Windows NT (Disk 1)
into an unused drive.
3. In the Run dialog box, type the following:
x:\setup
where xis the letter of the drive containing the disk (usually aor b).
4. Shut down your computer when the setup is complete.
Installing for Windows NT 4.0
privileges.
2. Select Start»Settings»Control Panel.
3. Double-click on the Add/Remove Programs icon in the Control Panel
to launch the Add/Remove Programs applet. A dialog box similar to
the one in Figure 2-1 appears.
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Chapter 2
Installation and Configuration
Figure 2-1. Add/Remove Programs Properties Dialog Box
You can use this same applet to uninstall the NI-CAN software
and Software, for more information.
4. Click on the Install button.
5. Insert the NI-CAN Software for Windows 95 and Windows NT (Disk 1),
and click on the Next button to proceed. The software installation
wizard begins with the screen shown in Figure 2-2.
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Chapter 2
Installation and Configuration
Figure 2-2. NI-CAN Software Setup Screen
The setup wizard guides you through the necessary steps to install
the NI-CAN software. You may go back and change values where
appropriate by clicking on the Back button. You can exit the setup
where appropriate by clicking on the Cancel button.
6. Shut down your computer when the setup is complete.
Install the CAN Hardware
This section describes how to install your CAN hardware.
Install Your PCI-CAN or PCI-CAN/2
Caution
Electrostatic discharge can damage several components on these CAN interfaces.
To avoid such damage in handling your interface, touch the antistatic plastic
package to a metal part of your computer chassis before removing the interface
from the package.
!
1. Make sure that your computer is turned off. Keep the computer
plugged in so that it remains grounded while you install the CAN
interface.
2. Remove the top cover (or other access panels) to give yourself access
to the computer expansion slots.
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Chapter 2
Installation and Configuration
3. Find an unused expansion slot of the appropriate type in your
computer.
4. Remove the corresponding slot cover on the back panel of the
computer.
5. Insert the CAN interface into the slot with the CAN connector(s)
sticking out of the opening on the back panel. It might be a tight fit, but
do not force the interface into place. Figure 2-3 shows how to install
the PCI-CAN into a PCI expansion slot.
Figure 2-3. Installing the PCI-CAN
6. Screw the mounting bracket of the CAN interface to the back panel rail
of the computer.
7. Replace the top cover (or the access panel to the expansion slot).
8. Turn on your computer and start Windows NT.
When you have finished installing the hardware, proceed to the Connect the
Cables section, later in this chapter.
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Chapter 2
Installation and Configuration
Install Your PCMCIA-CAN or PCMCIA-CAN/2
Caution
Electrostatic discharge can damage several components on these CAN interfaces.
To avoid such damage in handling your interface, touch the antistatic plastic
package to a metal part of your computer chassis before removing the interface
from the package.
!
Note
Because of restrictions imposed by Windows NT, only one PCMCIA-CAN or
have a PCMCIA-CAN card in your system, you cannot use a PCMCIA-CAN/2
card at the same time.
1. Shut down your operating system and power off your system.
2. Insert the card into a free PC Card (PCMCIA) socket. The card has no
jumpers or switches to set. Figure 2-4 shows how to insert the card and
how to connect the PCMCIA-CAN cable and connector to the card.
Portable
Computer
PCMCIA
Socket
PCMCIA-CAN
Cable
Figure 2-4. Inserting the PCMCIA-CAN
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Chapter 2
Installation and Configuration
3. Connect the PCMCIA-CAN cable to the card.
4. Power on your computer.
When you have finished installing the hardware, proceed to the next
section, Connect the Cables.
Connect the Cables
Because exact cabling requirements will vary for each application,
National Instruments does not provide cables, other than the
PCMCIA-CAN cable. Refer to Appendix B, Cabling Requirements,
for information about the cabling requirements of the CAN hardware.
After you have installed the CAN interface, connect your CAN cables to
the interface. The CAN hardware installation is now complete. Proceed
to the next section, Configure the NI-CAN Software.
Configure the NI-CAN Software
The NI-CAN Configuration utility is located in the Windows NT Control
Panel. You can use it to examine or modify the configuration of the
NI-CAN software. The context-sensitive online help, available by
right-clicking on any of the controls on the configuration utility buttons,
includes all of the information that you need to configure the NI-CAN
software properly.
To use the NI-CAN Configuration utility, you must first log in as
Administratoror as a user that has Administrator privileges. To
configure the NI-CAN software, double-click on the NI-CAN
Configuration icon in the Control Panel:
•
Windows NT 4.0 or later: Select Start»Settings»Control Panel.
Figure 2-5 shows a CAN interface that is working properly. If no interfaces
are listed under NI-CAN Configuration, refer to the Missing CAN
Interface in the NI-CAN Configuration Utility section in Appendix C,
Troubleshooting and Common Questions, to resolve the problem.
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Chapter 2
Installation and Configuration
Figure 2-5. CAN Interface That Is Working Properly
To select a particular interface, click on that interface in the list.
When you install a PCI-CAN interface, your computer automatically
assigns valid resources to it. Because this resource assignment is automatic,
do not need to restart Windows NT.
When you install a PCMCIA-CAN interface, your computer assigns
default resources to it. Because the default resources may conflict with
other devices in your system, you must use the Resources dialog box to
select valid resources for the PCMCIA-CAN. Figure 2-6 shows the
Resources dialog box for the PCMCIA-CAN.
Figure 2-6. Resources Dialog Box for the PCMCIA-CAN
Click on the Settings button to view information about the NI-CAN
software configuration for the CAN interface. Figure 2-7 shows the
Settings dialog box.
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Chapter 2
Installation and Configuration
Figure 2-7. NI-CAN Settings for the PCI-CAN/2
Each port of the CAN hardware interface is configured from this tab. Use
the drop-down box nearest the top of the tab to select the physical port
number to configure. For each port, use the Name drop-down box to select
the name for the CAN Network Interface Object (CAN0, CAN1, and so on).
You use this name to refer to the physical port from within your NI-CAN
application.
Help
select
button. Alternately, you can right-click on a specific control and
What’s This?
from the pop-up menu to see context-sensitive help
for the item you have clicked on.
When you have finished configuring the NI-CAN software, proceed to
Chapter 3, Verify the Installation.
Note
If you changed the resources for any PCMCIA-CAN or PCMCIA-CAN/2
interface, you must restart Windows NT for the changes to take effect.
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3
Verify the Installation
This chapter describes how to verify the hardware and software
installation.
You can use the NI-CAN Diagnostic utility, installed with your NI-CAN
software, to test the hardware and software installation. The utility verifies
that your hardware and software are functioning properly and that the
configuration of your CAN interfaces does not conflict with anything else
in your system.
To run the utility, select the NI-CAN Diagnostic item:
NI-CAN Diagnostic
•
•
Windows NT 3.51: Double-click on the
NI-CAN Software for Windows NT
icon in
Program
group of the
the
Manager
.
Start»Programs»NI-CAN Software
Windows NT 4.0 or later: Select
for Windows NT»NI-CAN Diagnostic
.
Test All
interfaces by clicking on the
interface by highlighting it and clicking on the
NI-CAN Diagnostic is successful, it puts a checkmark next to the interface
Untested Passed
button. You can also test one CAN
Test One
button. If the
and changes its status from
to
fails, it puts an X next to the interface, and changes its status from
Failed
. If the NI-CAN Diagnostic
Untested
to
. Figure 3-1 shows the NI-CAN Diagnostic utility after it has
tested some CAN interfaces.
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Chapter 3
Verify the Installation
You can get details about any tested CAN interface by selecting the
interface and clicking on the Details button. For each failed CAN interface,
select it and click on the Details button to get a description of the failure.
Use that information and the information in Appendix C, Troubleshooting
and Common Questions, to troubleshoot the problem. Troubleshooting
information is also available in the online help for the NI-CAN Diagnostic
utility, which you can access by clicking on the Help button.
Getting Started with CAN for Windows NT
3-2
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4
Begin to Use the
NI-CAN Software
This chapter helps you get started with the NI-CAN software for
Windows NT.
Using the NI-CAN Software
The functions provided by the NI-CAN software are similar to those
provided by many other device drivers. For example, NI-CAN has open,
close, read, and write functions. NI-CAN provides two different levels of
access to a CAN network: the CAN Network Interface Object and CAN
Objects. Both forms of access support timestamping of incoming data, as
well as various forms of queuing.
The CAN Network Interface Object provides low-level access to a CAN
network. Each CAN Network Interface Object maps to a specific CAN
port, with no limitation on the maximum number of ports or cards you can
use (for example, two PCI-CAN/2 interfaces would provide CAN0through
CAN3). You can use this object to transmit and receive entire CAN frames.
For example, to transmit a CAN frame, you would specify the outgoing
arbitration ID, frame type (data or remote), data length, and data.
The CAN Objects provide higher level access to a CAN network. Each
CAN Object maps to a specific data item (arbitration ID), and you can use
multiple CAN Objects for a given port. When configuring a CAN Object
for use, you specify the arbitration ID, direction of data transfer, data
length, and how you want the data to be accessed (such as periodically).
For example, you could configure a CAN Object to transmit an outgoing
data frame for a specific arbitration ID every 100 ms. After opening this
CAN Object, you use the write function to provide data to transmit, and the
NI-CAN embedded firmware handles all periodic timing.
For detailed information about the NI-CAN software and functions, refer
to the NI-CAN User Manual for Windows 95 and Windows NT and the
NI-CAN Programmer Reference Manual for Win32.
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Chapter 4
Begin to Use the NI-CAN Software
General Programming Considerations
As you begin developing your Win32 NI-CAN application, remember the
following points:
•
•
•
For your LabVIEW application, you must use the NI-CAN LabVIEW
functions in nican.llb.
For your C/C++ application, you must include the NI-CAN header file,
nican.h, in your source code.
The NI-CAN software is accessed through the 32-bit DLL,
nican.dll, either by linking with one of the language interfaces
provided with the NI-CAN software, or by using direct DLL entry
from other programming environments.
•
Several sample CAN applications are included with the NI-CAN
software. Use these as a guide for your own application development.
For information about developing your application, refer to the NI-CAN
User Manual for Windows 95 and Windows NT. For detailed information
about NI-CAN functions and objects, refer to the NI-CAN Programmer
Reference Manual for Win32.
Getting Started with CAN for Windows NT
4-2
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A
Uninstall the Hardware
and Software
This appendix describes how to uninstall the CAN hardware and the
NI-CAN software from Windows NT.
Uninstalling the CAN Hardware from Windows NT
Because the current version of Windows NT does not maintain hardware
information for the CAN interfaces, you just need to physically remove the
CAN interfaces from your computer. To do so, shut down Windows NT,
power off your computer, and physically remove the CAN interfaces.
Uninstalling the NI-CAN Software from Windows NT
Note
The following instructions apply to Windows NT 4.0 only. If you are using
Windows NT 3.51, refer to the readme.txtfile in your NI-CAN directory
for information on how to uninstall the NI-CAN software.
Before uninstalling the NI-CAN software, you should remove all CAN
interface hardware from your computer, as explained in the previous
section.
Complete the following steps to remove the NI-CAN software:
1. Select the Add/Remove Programs icon under Start»Settings»
Control Panel A dialog box similar to the one in Figure A-1 appears.
.
This dialog box lists the software available for removal.
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Appendix A
Uninstall the Hardware and Software
Figure A-1. Add/Remove Programs Properties Dialog Box
2. Select the NI-CAN software you want to remove, and click on the
Add/Remove button. The uninstall program runs and removes all
folders, utilities, device drivers, DLLs, and registry entries associated
with the NI-CAN software. Figure A-2 shows the results of a
successful uninstallation.
Getting Started with CAN for Windows NT
A-2
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Appendix A
Uninstall the Hardware and Software
Figure A-2. NI-CAN Uninstallation Results
The uninstall program removes only items that the installation program
installed. If you add anything to a directory that was created by the
installation program, the uninstall program does not delete that directory,
because the directory is not empty after the uninstallation. You need to
remove any remaining components yourself.
If you want to reinstall the hardware and software, refer to Chapter 2,
Installation and Configuration.
© National Instruments Corporation
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B
Cabling Requirements
This appendix describes the cabling requirements for CAN interfaces.
Cables should be constructed to meet these requirements, as well as the
requirements of the other CAN or DeviceNet devices in the network.
Connector Pinouts
Depending on the type of CAN interface you are installing, the CAN
hardware either has DB-9 D-Sub connectors(s), or Combicon-style
pluggable screw terminal connector(s).
The 9-pin D-Sub follows the pinout recommended by CiA DS 102.
Figure B-1 shows the pinout for this connector.
No Connection
Optional Ground (V-)
CAN_L
CAN_H
V-
No Connection
No Connection
V+
Shield
Figure B-1. Pinout for 9-Pin D-Sub Connector
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Appendix B
Cabling Requirements
The 5-pin Combicon-style pluggable screw terminal follows the pinout
required by the DeviceNet specification. Figure B-2 shows the pinout for
this connector.
1
2
3
4
5
Figure B-2. Pinout for 5-Pin Combicon-Style Pluggable Screw Terminal
CAN_H and CAN_L are signal lines that carry the data on the CAN
network. These signals should be connected using twisted-pair cable.
layer if external power is required for the CAN physical layer. If internal
power for the CAN physical layer is used, the V– pin serves as the reference
ground for CAN_H and CAN_L. See the next section, Power Supply
Information for the CAN Ports, for more information.
Figure B-3 shows the end of a PCMCIA-CAN cable. The arrow points to
pin 1 of the 5-pin screw terminal block. All of the signals on the 5-pin
Combicon-style pluggable screw terminal are connected directly to the
corresponding pins on the 9-pin D-Sub.
CAN (Internal Pwr), POR
V-
C_L
SH
C_H
V+
J2
T
1
J1
Figure B-3. PCMCIA-CAN Cable
Getting Started with CAN for Windows NT
B-2
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Appendix B
Cabling Requirements
Power Supply Information for the CAN Ports
For the PCI-CAN and PCI-CAN/2, the power source for the CAN physical
layer is configured with a jumper. For the PCI-CAN and port one of the
PCI-CAN/2, power is configured with jumper J6. For port two of the
PCI-CAN/2, power is configured with jumper J5. The location of these
jumpers is shown in Figure B-4.
1
2
3
5
4
1
2
Power Supply Jumper J6
Product Name
3
Serial Number
Assembly Number
5
Power Supply Jumper J5
4
Figure B-4. PCI-CAN/2 Power Source Jumpers
Connecting pins 1 and 2 of a jumper configures the CAN physical layer to
be powered externally (from the bus cable power). In this configuration, the
power must be supplied on the V+ and V– pins on the port connector.
Connecting pins 2 and 3 of a jumper configures the CAN physical layer to
be powered internally (from the card). In this configuration, the V– signal
serves as the reference ground for the isolated signals.
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Appendix B
Cabling Requirements
Figure B-5 shows how to configure your jumpers for internal or external
power supplies.
INT
3
EXT
1
INT
3
EXT
1
2
2
a. Internal Power Mode
b. External Power Mode
(Device Net)
Figure B-5. Power Source Jumpers
The CAN physical layer is still isolated regardless of the power source
chosen.
The PCMCIA-CAN and PCMCIA-CAN/2 are available with two types of
cable. The DeviceNet (bus powered) cable requires that the CAN physical
layer be powered from the bus cable power.
The internal-powered cable supplies power to the CAN physical layer from
the host computer. The V+ pin is not connected to any internal signals, but
the corresponding pins on the 9-pin D-Sub and the 5 pin Combicon-style
connectors are still connected. The V– pins serves as the reference ground
for the isolated signals.
The CAN physical layer is isolated from the computer in both types of
cable.
If the CAN physical layer is powered from a bus power supply, the power
supply should be a DC power supply with an output of 10 V to 30 V. The
power requirements for the CAN ports for Bus-Powered configurations are
shown in Table B-1. You should take these requirements into account when
determining requirements of the bus power supply for the system.
Table B-1. Power Requirements for the CAN Physical Layer for
Bus-Powered Versions
Characteristic
Voltage Requirement
Current Requirement
Specification
V+ 10-30 VDC
40 mA typical
100 mA maximum
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Appendix B
Cabling Requirements
Cable Specifications
Cables should meet the physical medium requirements specified in
ISO 11898, shown in Table B-2.
Belden cable (3084A) meets all of those requirements, and should be
suitable for most applications.
Table B-2. ISO 11898 Specifications for Characteristics of a CAN_H and
CAN_L Pair of Wires
Characteristic
Impedance
Value
108 Ω minimum, 120 Ω nominal,
132 Ω maximum
Length-related resistance
Specific line delay
70 mΩ/m nominal
5 ns/m nominal
Cable Lengths
The allowable cable length is affected by the characteristics of the cabling
and the desired bit transmission rates. Detailed cable length requirements
can be found in the ISO 11898, CiA DS 102, and DeviceNet specifications.
ISO 11898 specifies 40 m total cable length with a maximum stub length
of 0.3 m for a bit rate of 1 Mb/s. The ISO 11898 specification says that
significantly longer cable lengths may be allowed at lower bit rates, but
each node should be analyzed for signal integrity problems.
Table B-3 lists the DeviceNet cable length specifications.
Table B-3. DeviceNet Cable Length Specifications
Bit Rate
500 kb/s
Thick Cable
100 m
Thin Cable
100 m
100 m
100 m
250 kb/s
100 kb/s
200 m
500 m
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Appendix B
Cabling Requirements
Maximum Number of Devices
The maximum number of devices that you can connect to a CAN port
depends on the electrical characteristics of the devices on the network. If all
of the devices meet the requirements of ISO 11898, at least 30 devices may
be connected to the bus. Higher numbers of devices may be connected if the
electrical characteristics of the devices do not degrade signal quality below
ISO 11898 signal level specifications. If all of the devices on the network
meet the DeviceNet specifications, 64 devices may be connected to the
network.
Cable Termination
The pair of signal wires (CAN_H and CAN_L) constitutes a transmission
line. If the transmission line is not terminated, each signal change on the
line causes reflections that may cause communication failures.
Because communication flows both ways on the CAN bus, CAN requires
that both ends of the cable be terminated. However, this requirement does
not mean that every device should have a termination resistor. If multiple
devices are placed along the cable, only the devices on the ends of the cable
should have termination resistors. See Figure B-6 for an example of where
termination resistors should be placed in a system with more than two
devices.
CAN
CAN
CAN
Device
Device
Device
CAN_H
CAN_L
CAN
Device
120 Ω
120 Ω
Figure B-6. Termination Resistor Placement
The termination resistors on a cable should match the nominal impedance
of the cable. ISO 11898 requires a cable with a nominal impedance of
120 Ω; therefore, a 120 Ω resistor should be used at each end of the cable.
Each termination resistor should each be capable of dissipating 0.25 W of
power.
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B-6
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Appendix B
Cabling Requirements
Cabling Example
Figure B-7 shows an example of a cable to connect two CAN devices. For
the internal power configuration, no V+ connection is required.
5-Pin
9-Pin
9-Pin
5-Pin
Combicon
D-Sub
D-Sub
Combicon
CAN_H
CAN_L
GND
V+
Pin 4
Pin 2
Pin 3
Pin 5
Pin 1
Pin 7
Pin 2
Pin 5
Pin 9
Pin 3
Pin 7
Pin 2
Pin 5
Pin 9
Pin 3
Pin 4
Pin 2
Pin 3
Pin 5
Pin 1
120Ω
120Ω
V–
Power
Connector
V+
V–
Figure B-7. Cabling Example
© National Instruments Corporation
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C
Troubleshooting and
Common Questions
This appendix describes how to troubleshoot problems and answers some
common questions.
Missing CAN Interface in the NI-CAN Configuration
Utility
The NI-CAN Configuration utility contains configuration information for
all of the CAN hardware it is aware of that is installed in your system. To
start the NI-CAN Configuration utility, double-click on the NI-CAN
Configuration icon in the Control Panel:
•
Windows NT 3.51: Open the Control Panel in the Main group of
the Program Manager.
•
Windows NT 4.0 or later: Select Start»Settings»Control Panel.
If the CAN interface you are looking for is not listed under NI-CAN
Configuration, the CAN interface is not properly installed. For National
Instruments CAN hardware, this means that the interface is not physically
present in the system. If the interface is firmly plugged into its slot and the
problem persists, contact National Instruments.
Troubleshooting Diagnostic Utility Failures
The following sections explain common error messages generated by the
NI-CAN Diagnostic utility.
Resource Errors
This error occurs if the memory resource or interrupt resource assigned to
a CAN interface conflicts with the resources being used by other devices
in the system. If a resource error occurs, click on the Resources button
in the NI-CAN Configuration utility to view the board resources. For the
PCMCIA-CAN, change the conflicting resource shown in Resources until
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Appendix C
Troubleshooting and Common Questions
the interface passes the diagnostic test. For the PCI-CAN, if legacy boards
in your system are using the resources, change the resource configuration
of the legacy board. If the problem persists, contact National Instruments.
NI-CAN Software Problem Encountered
This error occurs if the NI-CAN Diagnostic utility detects that it is unable
to communicate correctly with the CAN hardware using the installed
NI-CAN software. If you get this error, shut down your computer, restart it,
and run the NI-CAN Diagnostic utility again. If the problem persists, try
reinstalling the NI-CAN software for Windows NT.
Missing CAN Interface
If a National Instruments CAN interface is physically installed in your
system, but is not listed in the NI-CAN Diagnostic utility, check to see if
the NI-CAN Configuration utility has detected the hardware. For more
information, refer to the Missing CAN Interface in the NI-CAN
Configuration Utility section earlier in this appendix.
CAN Hardware Problem Encountered
This error occurs if the NI-CAN Diagnostic utility detects a defect in the
CAN hardware. If you get this error, write down the numeric code shown
with the error, and contact National Instruments. Depending on the cause
of the hardware failure, you may need to repair or replace your CAN
interface.
Common Questions
How can I determine which type of CAN hardware I have installed?
Run the NI-CAN Configuration utility. To run the utility, select
Start»Settings»Control Panel»NI-CAN Configuration. If any CAN
CAN Interfaces.
How do I connect a CAN cable to my CAN interface?
For information about cabling requirements for National Instruments
CAN hardware, refer to Appendix B, Cabling Requirements.
Getting Started with CAN for Windows NT
C-2
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Appendix C
Troubleshooting and Common Questions
How can I determine which version of the NI-CAN software I have
installed?
Run the NI-CAN Diagnostic utility. To run the utility, select the NI-CAN
Diagnostic item under Start»Programs»NI-CAN Software for
Windows NT. The NI-CAN Diagnostic utility displays information about
the version of the NI-CAN software currently installed.
Which CAN interfaces does the NI-CAN software for Windows NT
support?
The NI-CAN software for Windows NT supports the PCI-CAN,
PCI-CAN/2, PCMCIA-CAN, and PCMCIA-CAN/2.
What do I do if the NI-CAN Diagnostic utility fails with an error?
Refer to the Troubleshooting Diagnostic Utility Failures section in this
appendix for specific information about what might cause the NI-CAN
Diagnostic utility to fail. If you have already completed the troubleshooting
steps, fill out the forms in Appendix E, Customer Communication, and
contact National Instruments.
How many CAN boards can I configure for use with my NI-CAN
software for Windows NT?
The NI-CAN software for Windows NT can be configured to communicate
with up to 10 CAN boards.
Are interrupts required for the NI-CAN software for Windows NT?
Yes, one interrupt per board is required.
How do I use an NI-CAN language interface?
For information about using NI-CAN language interfaces, refer to
Chapter 3, Developing Your Application, in the NI-CAN User Manual for
Windows 95 and Windows NT.
How do I use NI-CAN from within LabVIEW?
For information about using NI-CAN from within LabVIEW, refer to
Chapter 3, Developing Your Application, in the NI-CAN User Manual
for Windows 95 and Windows NT.
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Appendix C
Troubleshooting and Common Questions
Why does the uninstall program leave some components installed?
The uninstall program removes only items that the installation program
installed. If you add anything to a directory that was created by the
installation program, the uninstall program does not delete that directory,
remove any remaining components yourself.
What information should I have before I call National Instruments?
When you call National Instruments, you should have all of the information
filled out on the Hardware and Software Configuration Form in
Appendix E, Customer Communication.
Getting Started with CAN for Windows NT
C-4
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D
Specifications
This appendix describes the physical characteristics of the CAN hardware,
along with the recommended operating conditions.
Table D-1. PCI-CAN and PCI-CAN/2 Hardware Characteristics
Characteristic
Dimensions
Specification
10.67 by 17.46 cm
(4.2 by 6.88 in.)
Power Requirement
I/O Connector
+5 VDC
775 mA typical
9-pin D-Sub for each port (standard)
or
5-pin Combicon-style pluggable
DeviceNet screw terminal
Operating Environment
Ambient Temperature
Relative Humidity
0° to 55° C
10% to 90%, noncondensing
Storage Environment
Temperature
–20° to 70° C
Relative Humidity
5% to 90%, noncondensing
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Appendix D
Specifications
Table D-2. PCMCIA-CAN and PCMCIA-CAN/2 Hardware Characteristics
Characteristic
Dimensions
Specification
8.56 by 5.40 by 0.5 cm
(3.4 by 2.1 by 0.4 in.)
Power Requirement
I/O Connector
500 mA typical
Cable with 9-pin D-Sub and 5-pin
Combicon-style pluggable screw
terminal for each port
Operating Environment
Component Temperature
Relative Humidity
0° to 55° C
10% to 90%, noncondensing
Storage Environment
Temperature
–20° to 70° C
Relative Humidity
5% to 90%, noncondensing
Table D-3. CAN Port Characteristics for Bus-Powered Ports
Characteristic
Power Requirement
Specification
10-30 V
40 mA typical
100 mA maximum
Isolation
500 VDC optical
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E
Customer Communication
For your convenience, this appendix contains forms to help you gather the information necessary
to help us solve your technical problems and a form you can use to comment on the product
documentation. When you contact us, we need the information on the Technical Support Form and
the configuration form, if your manual contains one, about your system configuration to answer your
questions as quickly as possible.
National Instruments has technical assistance through electronic, fax, and telephone systems to quickly
provide the information you need. Our electronic services include a bulletin board service, an FTP site,
a fax-on-demand system, and e-mail support. If you have a hardware or software problem, first try the
electronic support systems. If the information available on these systems does not answer your
questions, we offer fax and telephone support through our technical support centers, which are staffed
by applications engineers.
Electronic Services
Bulletin Board Support
National Instruments has BBS and FTP sites dedicated for 24-hour support with a collection of files
and documents to answer most common customer questions. From these sites, you can also download
the latest instrument drivers, updates, and example programs. For recorded instructions on how to use
the bulletin board and FTP services and for BBS automated information, call 512 795 6990. You can
access these services at:
United States: 512 794 5422
Up to 14,400 baud, 8 data bits, 1 stop bit, no parity
United Kingdom: 01635 551422
Up to 9,600 baud, 8 data bits, 1 stop bit, no parity
France: 01 48 65 15 59
Up to 9,600 baud, 8 data bits, 1 stop bit, no parity
FTP Support
To access our FTP site, log on to our Internet host, ftp.natinst.com, as anonymousand use
documents are located in the /supportdirectories.
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Fax-on-Demand Support
Fax-on-Demand is a 24-hour information retrieval system containing a library of documents on a wide
range of technical information. You can access Fax-on-Demand from a touch-tone telephone at
512 418 1111.
E-Mail Support (Currently USA Only)
You can submit technical support questions to the applications engineering team through e-mail at the
Internet address listed below. Remember to include your name, address, and phone number so we can
contact you with solutions and suggestions.
Telephone and Fax Support
National Instruments has branch offices all over the world. Use the list below to find the technical
support number for your country. If there is no National Instruments office in your country, contact
the source from which you purchased your software to obtain support.
Country
Telephone
Fax
Australia
Austria
Belgium
Brazil
Canada (Ontario)
Canada (Quebec)
Denmark
Finland
03 9879 5166
0662 45 79 90 0
02 757 00 20
011 288 3336
905 785 0085
514 694 8521
45 76 26 00
09 725 725 11
01 48 14 24 24
089 741 31 30
2645 3186
03 6120092
02 413091
03 5472 2970
02 596 7456
5 520 2635
03 9879 6277
0662 45 79 90 19
02 757 03 11
011 288 8528
905 785 0086
514 694 4399
45 76 26 02
09 725 725 55
01 48 14 24 14
089 714 60 35
2686 8505
France
Germany
Hong Kong
Israel
Italy
Japan
03 6120095
02 41309215
03 5472 2977
02 596 7455
5 520 3282
Korea
Mexico
Netherlands
Norway
Singapore
Spain
Sweden
Switzerland
Taiwan
0348 433466
32 84 84 00
2265886
91 640 0085
08 730 49 70
056 200 51 51
02 377 1200
01635 523545
512 795 8248
0348 430673
32 84 86 00
2265887
91 640 0533
08 730 43 70
056 200 51 55
02 737 4644
01635 523154
512 794 5678
United Kingdom
United States
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Technical Support Form
Photocopy this form and update it each time you make changes to your software or hardware, and use
the completed copy of this form as a reference for your current configuration. Completing this form
accurately before contacting National Instruments for technical support helps our applications
engineers answer your questions more efficiently.
If you are using any National Instruments hardware or software products related to this problem,
include the configuration forms from their user manuals. Include additional pages if necessary.
Name __________________________________________________________________________
Company _______________________________________________________________________
Address ________________________________________________________________________
_______________________________________________________________________________
Fax ( ___ ) ________________Phone ( ___ ) __________________________________________
Computer brand____________ Model ___________________Processor_____________________
Operating system (include version number) ____________________________________________
Clock speed ______MHz RAM _____MB
Display adapter __________________________
Mouse ___yes ___no Other adapters installed_______________________________________
Hard disk capacity _____MB Brand_________________________________________________
Instruments used _________________________________________________________________
_______________________________________________________________________________
National Instruments hardware product model _____________ Revision ____________________
Configuration ___________________________________________________________________
National Instruments software product ___________________ Version _____________________
Configuration ___________________________________________________________________
The problem is: __________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
List any error messages: ___________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
The following steps reproduce the problem: ___________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
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Hardware and Software Configuration Form
Record the settings and revisions of your hardware and software on the line to the right of each item.
Complete a new copy of this form each time you revise your software or hardware configuration, and
use this form as a reference for your current configuration. Completing this form accurately before
contacting National Instruments for technical support helps our applications engineers answer your
questions more efficiently.
National Instruments Products
General Information
CAN Interface Type (such as PCI-CAN/2) ____________________________________________
NI-CAN Diagnostic Utility Results __________________________________________________
Version Information
To access complete version information, including the hardware version and the NI-CAN
driver version, open the MS-DOS Prompt and change to the NI-CAN installation directory
(usually c:\nican). At the prompt, enter the following command:
candiag -v
Version Information from the NI-CAN Diagnostic ______________________________________
_______________________________________________________________________________
Other Products
Programming Environment Information
Programming Language ___________________________________________________________
Compiler Vendor_________________________________________________________________
Compiler Version ________________________________________________________________
Application Information
LabVIEW Application ____________________________________________________________
Win32 Application _______________________________________________________________
If Win 32, method of accessing DLL (link with language interface or direct entry?) ____________
_______________________________________________________________________________
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Documentation Comment Form
National Instruments encourages you to comment on the documentation supplied with our products.
This information helps us provide quality products to meet your needs.
Title:
Getting Started with Your CAN Hardware and the NI-CAN™ Software
for Windows NT
Edition Date: January 1998
Part Number: 321372C-01
Please comment on the completeness, clarity, and organization of the manual.
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Glossary
Prefix
n-
Meanings
nano-
Value
10–9
10–3
10–2
103
m-
c-
milli-
centi-
k-
kilo-
M-
mega-
106
°
degrees
Ω
ohms
%
percent
A
amperes
AC
alternating current
ANSI
American National Standards Institute
AT-compatible
compatible with the 16-bit Industry Standard Architecture
b
bits
B
bytes
C
Celsius
CAN
CiA
DLL
DMA
EMI
FCC
Hz
Controller Area Network
CAN in Automation
dynamic link library
direct memory access
electromagnetic interference
Federal Communications Commission
hertz
IEEE
Institute of Electrical and Electronic Engineers
© National Instruments Corporation
G-1
Getting Started with CAN for Windows NT
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Glossary
in.
inches
IRQ
interrupt request
ISA
Industry Standard Architecture
International Standards Organization
meters
ISO
m
PC
personal computer
PCI
peripheral component interconnect
Personal Computer Memory Card International Association
random-access memory
PCMCIA
RAM
resource
hardware settings used by National Instruments CAN hardware, including
an interrupt request level (IRQ) and an 8 KB physical memory range (such
as D0000 to D1FFF hex)
s
seconds
V
volts
VDC
W
volts direct current
watts
Getting Started with CAN for Windows NT
G-2
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