National Instruments Computer Hardware CAN Hardware User Manual

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  
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. CUSTOMERS 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-CANare 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.  
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.  
About This Manual  
How to Use the Manual Set .............................................................................................ix  
Conventions Used in This Manual...................................................................................xi  
Chapter 1  
Introduction  
How to Use This Manual.................................................................................................1-1  
CAN Hardware Overview ...............................................................................................1-2  
Chapter 2  
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  
Chapter 4  
Begin to Use the NI-CAN Software  
Using the NI-CAN Software............................................................................................4-1  
General Programming Considerations.............................................................................4-2  
© National Instruments Corporation  
v
Getting Started with CAN for Windows NT  
Contents  
Uninstall the Hardware and Software  
Bus Power Supply Requirements.................................................................................... B-4  
Cable Specifications ........................................................................................................ B-5  
Maximum Number of Devices ........................................................................................ B-6  
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  
© National Instruments Corporation  
Figure 2-4.  
Figure 2-7.  
Inserting the PCMCIA-CAN...................................................................2-5  
NI-CAN Settings for the PCI-CAN/2 .....................................................2-8  
Figure B-2.  
Figure B-3.  
Figure B-4.  
Figure B-6.  
Pinout for 5-Pin Combicon-Style Pluggable Screw Terminal ................B-2  
PCMCIA-CAN Cable..............................................................................B-2  
PCI-CAN/2 Power Source Jumpers ........................................................B-3  
Termination Resistor Placement .............................................................B-6  
Tables  
Table B-3.  
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  
vii  
Getting Started with CAN for Windows NT  
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  
ix  
Getting Started with CAN for Windows NT  
   
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,  
parameters, and possible errors.  
Organization of This Manual  
This manual is organized as follows:  
Chapter 1, Introduction, 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.  
Chapter 2, Installation and Configuration, describes how to install  
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.  
Chapter 4, Begin to Use the NI-CAN Software, helps you get started  
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  
requirements for CAN interfaces.  
Appendix C, Troubleshooting and Common Questions, describes how  
to troubleshoot problems and answers some common questions.  
Appendix D, Specifications, describes the physical characteristics of  
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.  
Getting Started with CAN for Windows NT  
x
© National Instruments Corporation  
 
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.  
© National Instruments Corporation  
xi  
Getting Started with CAN for Windows NT  
 
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  
xii  
© National Instruments Corporation  
   
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  
© National Instruments Corporation  
1-1  
Getting Started with CAN for Windows NT  
       
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.  
Getting Started with CAN for Windows NT  
1-2  
© National Instruments Corporation  
   
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  
© National Instruments Corporation  
1-3  
Getting Started with CAN for Windows NT  
 
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.  
Getting Started with CAN for Windows NT  
1-4  
© National Instruments Corporation  
 
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  
1. Log in as Administratoror as a user that has Administrator  
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.  
© National Instruments Corporation  
2-1  
Getting Started with CAN for Windows NT  
           
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  
at a later time. Refer to Appendix A, Uninstall the Hardware  
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.  
Getting Started with CAN for Windows NT  
2-2  
© National Instruments Corporation  
   
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.  
© National Instruments Corporation  
2-3  
Getting Started with CAN for Windows NT  
       
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.  
Getting Started with CAN for Windows NT  
2-4  
© National Instruments Corporation  
   
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  
PCMCIA-CAN/2 can be used in a given Windows NT system. For example, if you  
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  
© National Instruments Corporation  
2-5  
Getting Started with CAN for Windows NT  
     
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.  
Getting Started with CAN for Windows NT  
2-6  
© National Instruments Corporation  
       
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,  
you do not need to use the Resources dialog box for the PCI-CAN, and you  
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.  
© National Instruments Corporation  
2-7  
Getting Started with CAN for Windows NT  
     
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.  
To access online help for the NI-CAN Configuration utility, click on the  
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.  
Getting Started with CAN for Windows NT  
2-8  
© National Instruments Corporation  
   
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  
.
When you have started the NI-CAN Diagnostic utility, test your CAN  
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.  
© National Instruments Corporation  
3-1  
Getting Started with CAN for Windows NT  
     
Chapter 3  
Verify the Installation  
Figure 3-1. NI-CAN Diagnostic Utility after Testing  
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  
© National Instruments Corporation  
   
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.  
© National Instruments Corporation  
4-1  
Getting Started with CAN for Windows NT  
       
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  
© National Instruments Corporation  
 
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.  
© National Instruments Corporation  
A-1  
Getting Started with CAN for Windows NT  
         
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  
© National Instruments Corporation  
   
Appendix A  
Uninstall the Hardware and Software  
Figure A-2. NI-CAN Uninstallation Results  
The uninstall program removes only items that the installation program  
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  
A-3  
Getting Started with CAN for Windows NT  
   
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  
© National Instruments Corporation  
B-1  
Getting Started with CAN for Windows NT  
           
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  
The V+ and V– pins are used to supply bus power to the CAN physical  
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  
© National Instruments Corporation  
     
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.  
© National Instruments Corporation  
B-3  
Getting Started with CAN for Windows NT  
       
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  
Getting Started with CAN for Windows NT  
B-4  
© National Instruments Corporation  
       
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 minimum, 120 nominal,  
132 maximum  
Length-related resistance  
Specific line delay  
70 m/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  
© National Instruments Corporation  
B-5  
Getting Started with CAN for Windows NT  
         
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  
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 ; therefore, a 120 resistor should be used at each end of the cable.  
Each termination resistor should each be capable of dissipating 0.25 W of  
power.  
Getting Started with CAN for Windows NT  
B-6  
© National Instruments Corporation  
       
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  
120  
120Ω  
V–  
Power  
Connector  
V+  
V–  
Figure B-7. Cabling Example  
© National Instruments Corporation  
B-7  
Getting Started with CAN for Windows NT  
     
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  
© National Instruments Corporation  
C-1  
Getting Started with CAN for Windows NT  
               
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.  
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  
hardware is correctly installed, it is listed under National Instruments  
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  
© National Instruments Corporation  
       
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.  
© National Instruments Corporation  
C-3  
Getting Started with CAN for Windows NT  
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  
© National Instruments Corporation  
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  
© National Instruments Corporation  
D-1  
Getting Started with CAN for Windows NT  
       
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  
Getting Started with CAN for Windows NT  
D-2  
© National Instruments Corporation  
 
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  
your Internet address, such as [email protected], as your password. The support files and  
documents are located in the /supportdirectories.  
© National Instruments Corporation  
E-1  
Getting Started with CAN for Windows NT  
     
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  
Getting Started with CAN for Windows NT  
E-2  
© National Instruments Corporation  
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: ___________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
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?) ____________  
_______________________________________________________________________________  
 
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-CANSoftware  
for Windows NT  
Edition Date: January 1998  
Part Number: 321372C-01  
Please comment on the completeness, clarity, and organization of the manual.  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
If you find errors in the manual, please record the page numbers and describe the errors.  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
_______________________________________________________________________________  
Thank you for your help.  
Name _________________________________________________________________________  
Title __________________________________________________________________________  
Company _______________________________________________________________________  
Address ________________________________________________________________________  
_______________________________________________________________________________  
E-Mail Address __________________________________________________________________  
Phone ( ___ ) __________________________ Fax ( ___ ) _______________________________  
Mail to: Technical Publications  
National Instruments Corporation  
Fax to: Technical Publications  
National Instruments Corporation  
512 794 5678  
6504 Bridge Point Parkway  
Austin, Texas 78730-5039  
Glossary  
Prefix  
n-  
Meanings  
nano-  
Value  
109  
103  
10–2  
103  
m-  
c-  
milli-  
centi-  
k-  
kilo-  
M-  
mega-  
106  
°
degrees  
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  
   
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  
© National Instruments Corporation  

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