Getting Started with Your PXI-8461 or PXI-8460 and the NI
Contents
1. L iota E3 j o O anna id z ba 3J e 3 2 s x a 818 z T g is Bere ome n ja O SRA sax j l u u2 a fz Bt T Ej Ea e a 3 O Ee f suv E z i E 7 Ss ma al O S O Hl C 20 Ey 1 Port 1 Termination Resistors 2 Port 2 Termination Resistors Figure C 5 Location of Termination Resistors on a PXI 8460 2 Cut and bend the lead wires of the resistors you want to install Refer to Figure C 6 0 5 in 13 mm g Figure C 6 Preparing Lead Wires of Replacement Resistors National Instruments Corporation C 7 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 3 Insert the replacement resistors into the empty sockets 4 Refer to Install the Hardware in Chapter 2 Installation and Configuration to complete the hardware installation Cabling Example Figure C 7 shows an example of a cable to connect two low speed CAN devices For the internal power configuration the V connection is required for the low speed transceiver to operate as specified in the Philips data2. actions of third parties or other events outside reasonable control 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 BridgeVIEW CVI LabVIEW nat inst com National Instruments and NI CAN are trademarks of National Instruments Corporation Product and company names mentioned herein are trademarks or trade names of their respective companies WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MO
3. 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 Specification Voltage requirement V 10 to 30 VDC Current requirement 40 mA typical 100 mA maximum PXI 8461 or PXI 8460 and NI CAN for Windows NT B 4 www natinst com Appendix B Cable Specifications Cabling Requirements for PXI 8461 High Speed CAN 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 Value Impedance 108 Q minimum 120 Q nominal 132 Q maximum Length related resistance 70 mQ m nominal Specific line delay 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 ISO 11898 CiA Draft Standard 102 and the DeviceNet Specification 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 b
4. NT kernel driver The NI CAN software is fully integrated into the Windows NT operating system You can configure it through the Windows NT Control Panel and uninstall it through the Add Remove Programs applet of the Control Panel The NI CAN software for Windows NT supports the concurrent use of multiple CAN boards For example you can use both a PXI 8461 and PCMCIA CAN in the same system at the same time The NI CAN software along with the PXI hardware transforms your computer into a CAN interface with complete communications and bus management capability The NI CAN software includes the following components e Firmware runs on embedded Intel 386EX e Device driver e Diagnostic test utility e Configuration utility PXI 8461 or PXI 8460 and NI CAN for Windows NT 1 2 www natinst com Chapter 1 Introduction e Language interface libraries for Microsoft Visual C C 2 0 or later LabWindows CVI 4 0 or later and LabVIEW 4 0 or later e 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 LabVIEW or Bridge VIEW 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 lib
5. 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
6. ae ee wJ gt u OL tO Seef f ma ered ous O e Bots as Q r o E 1 P E c a 3 z TO foe H u as i SRAM Bl g ce E OC SFO b o Of Ce m aS 3 o Tp 1 Power Supply Jumper J6 3 Assembly Number 5 Serial Number 2 Power Supply Jumper J5 4 Product Name Figure B 3 PXI 8461 Part Locator Diagram 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 board In this configuration the V signal serves as the reference ground for the isolated signals National Instruments Corporation B 3 PXI 8461 or PX 8460 and NI CAN for Windows NT Appendix B Cabling Requirements for PXI 8461 High Speed CAN Figure B 4 shows how to configure your jumpers for internal or external power supplies INT EXT INT EXT 3 2 1 p a Internal Power Mode b External Power Mode Figure B 4 Power Source Jumpers The CAN physical layer is still isolated regardless of the power source chosen Bus Power Supply Requirements 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
7. log in as Administrator or as a user with Administrator privileges To configure the NI CAN software double click on the NI CAN Configuration icon in the Control Panel e Windows NT 3 51 Open the Control Panel in the Main group of the Program Manager e Windows NT 4 0 or later Select Start Settings Control Panel Figure 2 3 shows a CAN interface that is working properly If no interfaces are listed under NI CAN Configuration refer to the Missing Board in the NI CAN Configuration Utility section in Appendix D Troubleshooting and Common Questions to resolve the problem yf NI CAN Configuration 21 x Settings Resources Help Figure 2 3 PXI 8461 That Is Working Properly To select a particular interface click on that interface in the list When you install a PXI 8461 or PXI 8460 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 PXI hardware and you do not need to restart Windows NT National Instruments Corporation 2 5 PXI 8461 or PXI 8460 and NI CAN for Windows NT Chapter 2 Installation and Configuration To view information about the NI CAN software configuration for the PXI 8461 or PXI 8460 click on the Settings button Figure 2 4 shows the Settings dialog box Network Interface Settings x PxI 8461 CAN 2 Port PXI Serial Number 00000000 PORTI hi CAN Network Interface O
8. 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 num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Contents About This Manual How To Use the Manual Setien ra EEEE EEN E ix CONVeN ONS peoe s i E E EE E E E E EE A RE EEE EE X Related Documentation siess oeri coschcuvencoscocnseecssense sonsbanteceneceitheectuvescdsvececubensceents xi Chapter 1 Introduction Wiat You Need to Get Started aea ainara tienaa a te discusses aE a EE aaa 1 1 Hardware OVervie W neenon E E E E T E AEE Ea eobedvench 1 1 NECAN Software Oyervie Wirren i E E a E E e i 1 2 Optional Programming Tools sssssssseeeesseesseteseeresesessrerrsrersresterenserssreresreesreserrrsreersre 1 3 Chapter 2 Installation and Configuration Install the NI CAN Software ce eeseesceescesseceeeeceeeeeeeeeeecaecesaecaeecsaeceaeeceeeeneeeeneenas 2 1 Installation fo
9. 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 document 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
10. 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 5 for an example of where termination resistors should be placed in a system with more than two devices CAN Device CAN 1202 Device Figure B 5 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 Q therefore a 120 Q resistor should be used at each end of the cable Each termination resistor should be capable of dissipating at least 0 25 W of power PXI 8461 or PXI 8460 and NI CAN for Windows NT B 6 www natinst com Appendix B Cabling Requirements for PXI 8461 High Speed CAN Cabling Example Figure B 6 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 Pin 4 Pin 7 Pin 7 Pin 4 1209 1209 CAN_L Pin 2 Pin 2 lt Pin2 Pin 2 hi Pin3 Pins Shield Pin 5 Pin 3 y V A Pin 5 Pin 9 lt Ping Pin5 V l Pin 1 Pin 3 Pin 3 Pin 1 Power Connector v gt v gt Figure B 6 Cabling Example National Instruments Corporation B 7 PXI 8461 or PXI 8460 and NI CAN for Win
11. termination of 100 to 500 Q upon connection of the board R 1 at RTH overall 1 1 a a ee R RTH of low speed CAN interface R RTH of existing network or device RRTH overal Should be between 100 and 500 Q Recrui of low speed CAN interface 510 Q 5 mounted or 15 kQ 5 in kit Rery Ret As the formula indicates the 510 Q 5 shipped on your board will work with properly terminated networks having a total RTH and RTL termination of 125 to 500 or individual devices having an RTH and RTL termination of 500 Q to 16 kQ For communication with a network having an overall RTH and RTL termination of 100 to 125 you will need to replace the 510 Q resistors with the 15 KQ resistors in the kit Please refer to the next section Replacing the Termination Resistors PXI 8461 or PXI 8460 and NI CAN for Windows NT C 6 www natinst com Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Replacing the Termination Resistors Follow these steps to replace the termination resistors after you have determined the correct value in the previous section Determining the Necessary Termination Resistance for Your Board 1 Remove the termination resistors on your PXI 8460 Figure C 5 shows the location of the termination resistor sockets on a PXI 8460 rt NATIONAL INSTRUMENTS CGRP y ASSY185316A PX1 8460 8461 8470 1238 3 0 at ap HPRI00 PS y Sa F ee a la 1 O y lt
12. 461 or PXI 8460 and NI CAN for Windows NT Chapter 2 Installation and Configuration 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 Add Remove Programs Properties 24 x Install Uninstall Windows NT Setup To install a new program from a floppy disk or CD ROM drive click Install 27 Ihe following software can be automatically removed by to Windows To remove a program or to modify its installed components select it from the list and click Add Remove Microsoft Visual C NuMega SoftICE AdG Remove OK Cancel Apply 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 Uninstalling the Hardware and Software for more information Click on the Install button When prompted insert the NJ CAN Software for Windows 95 98 NT Disk 1 of 3 and click on the Next button to proceed 6 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 If at any time you want to exit the setup click on the Cancel button 7 Shut down Windows NT and turn off your computer when the setup is complete PXI 8461 or PXI 8460 and NI CAN for Windows NT 2 2 www natinst com Chapt
13. CAN Getting Started with Your PXI 8461 or PXI 8460 and the NI CAN Software for Windows NT Wy NATIONAL September 1999 Edition gt INSTRUMENTS Part Number 322006B 01 Worldwide Technical Support and Product Information www natinst com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 7940100 Worldwide Offices Australia 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 284 5011 Canada Calgary 403 274 9391 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 Norway 32 27 73 00 Singapore 2265886 Spain Barcelona 93 582 0251 Spain Madrid 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2377 1200 United Kingdom 01635 523545 For further support information see the Technical Support Resources appendix To comment on the documentation send e mail to techpubs natinst com Copyright 1998 1999 National Instruments Corporation All rights reserved Important Information Warranty Copyright The PXI hardware is warranted against defects in materials and workmanship for a period
14. NITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance FCC DOC Radio Frequency Interference Class A Compliance This equipment generates and uses radio frequency energy and if not insta
15. NT This manual uses PXI 8461 or PXI 8460 to refer to both the one port and two port versions of the boards This manual assumes that you are already familiar with Windows NT How To Use the Manual Set Getting Started Installation and Manual Configuration LU k li Novice Experienced Users Users NA NI CAN NI CAN Programmer User Manual Reference Manual Application Function Development and Object and Examples Descriptions Use this getting started manual to install and configure your PXI 8461 or PXI 8460 and the NI CAN software for Windows NT Use the NI CAN User Manual 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 PXI 8461 or PXI 8460 and NI CAN for Windows NT About This Manual Conventions Use the NI CAN Programmer Reference Manual for specific information about each NI CAN function and object including format parameters and possible errors bold italic monospace monospace italic The following conventions appear 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 directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box This i
16. PCI Specification With a PXI 8461 or PXI 8460 board you can make your PXI or CompactPCI chassis communicate with and control CAN devices The PXI 8461 physical layer fully conforms to the ISO 11898 physical layer specification for CAN and is optically isolated to 500 V The PXI 8460 physical layer conforms to the ISO 11519 2 physical layer National Instruments Corporation 1 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Chapter 1 Introduction specification for CAN and is also optically isolated to 500 V CAN interfacing is accomplished using the Intel 82527 CAN controller chip The PXI 8461 supports a wide variety of transfer rates up to 1 Mb s The PXI 8460 supports rates up to 125 kb s The CAN physical layer on the PXI 8461 and PXI 8460 can be powered either internally from the board or externally from the bus cable power The power source for the CAN physical layer for each port is configured with a jumper PXI 8461 boards are available with two physical connector types e DB 9 D Sub e Combicon style pluggable screw terminals PXI 8460 boards are available with DB 9 D Sub connectors The PXI 8461 and PXI 8460 use the Intel 386EX embedded processor to implement time critical features provided by the NI CAN software The PXI 8461 and PXI 8460 communicate 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
17. Support National Instruments has offices located around the globe Many branch offices maintain a Web site to provide information on local services You can access these Web sites from www natinst com worldwide If you have trouble connecting to our Web site please contact your local National Instruments office or the source from which you purchased your National Instruments product s to obtain support For telephone support in the United States dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 03 9879 5166 Austria 0662 45 79 90 0 Belgium 02 757 00 20 Brazil 011 284 5011 Canada Calgary 403 274 9391 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 China 0755 3904939 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico Monterrey 8 357 7695 Netherlands 0348 433466 Norway 32 27 73 00 Singapore 2265886 Spain Barcelona 93 582 0251 Spain Madrid 91 640 0085 Sweden 08 587 895 00 Switzerland 056 200 51 51 Taiwan 02 2377 1200 United Kingdom 01635 523545 PXI 8461 or PXI 8460 and NI CAN for Windows NT F 2 www natinst com Glossary Prefix Meaning Value n nano 10 9 m milli 10 3 k kilo 103 M me
18. age Figure C 3 shows how to configure your jumpers for internal or external power supplies INT EXT INT EXT 2 1 a Internal Power Mode b External Power Mode Figure C 3 Power Source Jumpers The CAN physical layer is still isolated regardless of the power source chosen Bus Power Supply Requirements 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 8 V to 27V The power requirements for the CAN ports for Bus Powered configurations are shown in Table C 1 You should take these requirements into account when determining requirements of the bus power supply for the system Table C 1 Power Requirements for the Low Speed CAN Physical Layer for Bus Powered Versions Characteristic Specification Voltage requirement V 8 27 VDC Current requirement 40 mA typical 100 mA maximum National Instruments Corporation C 3 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Cable Specifications Cables should meet the physical medium requirements specified in ISO 11519 2 shown in Table C 2 Belden cable 3084A meets all of those requirements and should be suitable for most applications Table C 2 ISO 11519 2 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires Characteristic Value Length related resistance 90 mQ m nominal Len
19. art 2 Low Speed Controller Area Network CAN 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 CompactPCI Specification Revision 2 0 PCI Industrial Computers Manufacturers Group DeviceNet Specification Version 2 0 Open DeviceNet Vendor Association PXI Specification Revision 1 0 National Instruments Corporation xi PXI 8461 or PXI 8460 and NI CAN for Windows NT Introduction This chapter lists what you need to get started provides an overview of the PXI hardware and the NI CAN software for Windows NT and describes optional equipment you can order What You Need to Get Started Make sure you have all of the following items before you attempt to install the hardware and software Q Windows NT 3 51 or later installed on your computer PXI 8461 one port PXI 8461 two port PXI 8460 one port PXI 8460 two port Q 3 5 in high density 1 44 MB disks which are included in your kit NI CAN Software for Windows 95 98 NT Version 1 3 Disk x of 3 Q CAN interface cables that meet the requirements in Appendix B Cabling Requirements for PXI 8461 High Speed CAN or Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Hardware Overview The PXI 8461 and PXI 8460 one port and two port are software configurable and compliant with the PXI Specification and Compact
20. bject Configuration Name cana 7 Configure CAN Objects m Attributes Baud Rate 125k 7 Default IV Timestamping Read Queue Length fi 0 M Start On Open Write Queue Length fi 0 I Enable STD Mask Comp Statderd Mask Statderd soriperatar I Enable XTD Mask Comp Extended Mask Evtendedtomperetar cot tte Figure 2 4 NI CAN Hardware Settings Dialog Box Each port of the PXI 8461 or PXI 8460 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 CANO 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 button You can also right click on a specific control and select 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 PXI 8461 or PXI 8460 and NI CAN for Windows NT 2 6 www natinst com 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 yo
21. con denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash Bold text denotes items that you must select or click on in the software such as menu items and dialog box options Bold text also denotes parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters that you should 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 code excerpts Italic text in this font denotes text that is a placeholder for a word or value that you must supply PXI 8461 or PXI 8460 and NI CAN for Windows NT X www natinst com About This Manual Related Documentation The following documents contain information that you may find helpful as you read this manual National Instruments Corporation ANSI SO Standard 11898 1993 Road Vehicles Interchange of Digital Information Controller Area Network CAN for High Speed Communication ANSIASO Standard 11519 2 1994 Road Vehicles Low Speed Serial Data Communication P
22. d 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 D 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 PXI 8461 or PXI 8460 and NI CAN for Windows NT 3 2 www natinst com 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 and 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 boards you can use for example two PXI 8461 two port interfaces would provide CANO through 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 da
23. dows NT Cabling Requirements for PXI 8460 Low Speed CAN This appendix describes the cabling requirements for the PXI 8460 hardware Cables should be constructed to meet these requirements as well as the requirements of the other CAN devices in the network Connector Pinouts The PXI 8460 has DB 9 D Sub connector s The 9 pin D Sub follows the pinout recommended by CiA DS 102 Figure C 1 shows the pinout for this connector No Connection Optional Ground V CAN_L CAN_H Y No Connection No Connection V Shield Figure C 1 Pinout for 9 Pin D Sub Connector National Instruments Corporation C 1 PXI 8461 or PX 8460 and NI CAN for Windows NT Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 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 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 Low Speed CAN Ports for more information Power Supply Information for the Low Speed CAN Ports For port one of the PXI 8460 power is configured with jumper J5 For port two of the PXI 8460 power is configured with jumper J6 These jumpers are shown in Figu
24. dware and Software Complete the following steps to remove the NI CAN software from Windows NT 4 0 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 Add Remove Programs Properties 2 x Install Uninstall windows NT Setup e To install a new program from a floppy disk or CD ROM drive click Install TA The following software can be automatically removed by Windows To remove a program or to modify its installed components select it from the list and click Add Remove NI CCDB 2 1 NI FBUS NI FBUS Configurator NuMega DriverStudio 1 0 Sentinel System Driver VirusScan NT v4 0 3 Licensed E Visual Basic 5 0 Enterprise Edition Windows NT 4 0 Service Pack 4 Add Remove DK Cancel Apply 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 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 rema
25. eeseeeeeseseseseseees Power requirement eeeeeeeeeseeeeeeee I O CONNEC CHOL cece ceeeeeeeeseseseseseseseeeeees Operating environment Component temperature 0 Relative humidity eee eeeeeeeees Storage environment Temperature soii iiit Relative humidity eee PXI 8460 One Port and Two Port DiIMENSIONS cccccccececeeseeeseseseeesesenees Power requirement ce eeeeeeeeeseeeeeees VO CONNEC CHOL cece ceeceeeeeseseseeeseseeeeeees PXI 3U Module 100 by 160 mm 3 94 by 6 30 in 5 VDC 500 mA typical 9 pin D Sub for each port standard or 5 pin Combicon style pluggable DeviceNet screw terminal 0 to 55 C 10 to 90 noncondensing 20 to 70 C 10 to 90 noncondensing PXI 3U Module 100 by 160 mm 3 94 by 6 30 in 5 VDC 500 mA typical 9 pin D Sub for each port National Instruments Corporation E 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix E Specifications Operating environment Component temperature 0 to 55 C Relative humidity 0 ee 10 to 90 noncondensing Storage environment TOMpPeratute sisenes 20 to 70 C Relative humidity 0 eee 10 to 90 noncondensing High Speed CAN Port Characteristics for Bus Powered Ports Power requirement eee eeeeeeeee 10 30 V 40 mA typical 100 mA maximum TsO atiom seneni 500 VDC optical Low Speed CAN Port Characteristics for Bus Powered Po
26. er 2 Installation and Configuration Install the Hardware This section describes how to install your PXI 8461 or PXI 8460 hardware Check the Configuration of Your PXI 8461 or PXI 8460 If you plan to use your CAN board in a system where bus power is available you may want to configure the power supply jumpers on your board See Appendix B Cabling Requirements for PXI 8461 High Speed CAN for more information If you are installing a low speed CAN board you may need to change the power supply jumpers or termination resistors See Appendix C Cabling Requirements for PXI 8460 Low Speed CAN for more information Install Your PXI 8461 or PXI 8460 UN Caution Before you remove the board from the package touch the antistatic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your board 1 Make sure that your PXI or CompactPCI chassis is turned off Keep the PXI or CompactPCI chassis plugged in so that it remains grounded while you install the PXI board 2 Choose an unused PXI or CompactPCI 5 V peripheral slot Remove the filler panel for the peripheral slot you have chosen 4 Touch a metal part on your chassis to discharge any static electricity that might be on your clothes or body National Instruments Corporation 2 3 PXI 8461 or PXI 8460 and NI CAN for Windows NT Chapter 2 Installation and Configuration 5 Insert the PXI board into the selected 5 V
27. esource or interrupt resource assigned to a board conflicts with the resources being used by other hardware 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 PXI 8461 or PXI 8460 if legacy hardware in your system is using the resources change the resource configuration of the legacy hardware If you need help refer to the documentation that came with your hardware If the problem persists contact National Instruments National Instruments Corporation D 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix D Troubleshooting and Common Questions NI CAN Software Problem Encountered This error occurs if the NI CAN Diagnostic utility detects that it is unable to communicate correctly with the 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 Board in Diagnostic Utility If your board 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 board For more information refer to the Missing Board in the NI CAN Configuration Utility section earlier in this appendix Hardware Problem Encountered This error occurs if the NI CAN Diagnostic utility detects a defect
28. ga 106 si degrees Q ohms percent A amperes ANSI American National Standards Institute b bits B bytes C Celsius CAN Controller Area Network CiA CAN in Automation DC direct current DLL dynamic link library FCC Federal Communications Commission ft feet HMI Human Machine Interface Hz hertz IEEE Institute of Electrical and Electronic Engineers in inches IRQ interrupt request National Instruments Corporation G 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Glossary ISO LED m PC PCI PCMCIA PLC RAM resource VDC VXI International Standards Organization light emitting diode meters personal computer peripheral component interconnect Personal Computer Memory Card International Association Programmable Logic Controller random access memory 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 D1 FFF hex seconds volts volts direct current VME eXtensions for Instrumentation watts PXI 8461 or PXI 8460 and NI CAN for Windows NT G 2 www natinst com
29. gth related capacitance 30 pF m nominal CAN_L and ground CAN_H and ground CAN_L and CAN_H Number of Devices The maximum number of devices depends on the electrical characteristics of the devices on the network If all of the devices meet the requirements of ISO 11519 2 at least 20 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 11519 2 signal level specifications PXI 8461 or PXI 8460 and NI CAN for Windows NT C 4 www natinst com Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Low Speed Termination Every device on the low speed CAN network requires a termination resistor for each CAN data line Retry for CAN_H and Rpt for CAN_L Figure C 4 shows termination resistor placement in a low speed CAN network Low speed Low speed Low speed CAN Device CAN Device CAN Device RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H RTL CANL RTH CAN_H oann CAN_L l l Figure C 4 Termination Resistor Placement for Low Speed CAN The following sections explain how to determine the correct resistor values for your PXI 8460 and how to replace those resistors if necessary Determining the Necessary Termination Resistance for Your Board Unlike high speed CAN low speed CAN requires termination at the low speed CAN transceiver instead of on the cab
30. in the 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 board 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 hardware is correctly installed it is listed under National Instruments CAN Interfaces 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 National Instruments CAN The NI CAN Diagnostic utility displays information about the version of the NI CAN software currently installed How many PXI 8461 or PXI 8460 boards can I configure for use with my NI CAN software The NI CAN software for Windows NT can be configured to communicate with up to 10 boards PXI 8461 or PXI 8460 and NI CAN for Windows NT D 2 www natinst com Appendix D Troubleshooting and Common Questions How do I connect a CAN cable to my CAN port You will need to use an appropriate cable For information about cabling requirements for National Instruments CAN hardware refer to Appendix B Cabling Requirements for PXI 8461 High Speed CAN or Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Are interr
31. ining components yourself If you want to reinstall the hardware and software refer to Chapter 2 Installation and Configuration PXI 8461 or PXI 8460 and NI CAN for Windows NT A 2 www natinst com Cabling Requirements for PXI 8461 High Speed CAN This appendix describes the cabling requirements for the hardware Cables should be constructed to meet these requirements and the requirements of the other CAN or DeviceNet devices in the network Connector Pinouts Depending on the type of PXI board you are installing it either has DB 9 D Sub connector s or Combicon style pluggable screw terminal connector s The 9 pin D Sub follows the pinout recommended by CiA Draft Standard 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 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix B Cabling Requirements for PXI 8461 High Speed CAN 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 y CAN_L Shield CAN_H V O On Ow On on 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 signa
32. it 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 Drop Length Drop Length Baud Rate Trunk Length Maximum Cumulative 500 kb s 100 m 328 ft 6 m 20 ft 39 m 128 ft 250 kb s 250 m 820 ft 6 m 20 ft 78 m 256 ft 125 kb s 500 m 1640 ft 6m 20 ft 156 m 512 ft National Instruments Corporation B 5 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix B Cabling Requirements for PXI 8461 High Speed CAN 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
33. le The termination requires one resistor for each CAN line This configuration allows the Philips fault tolerant CAN transceiver to detect any of seven network faults You can use your PXI 8460 to connect to a low speed CAN network having from two to 32 nodes as specified by Philips including the port on the PXI 8460 as a node You can also use the PXI 8460 to communicate with individual low speed CAN devices It is important to determine the overall termination of your existing network or the termination of your individual device before connecting it to a PXI 8460 port Philips recommends an overall RTH and RTL termination of 100 to 500 Q each for a properly terminated low speed network The overall network termination may be determined as follows 1 1 1 1 1 H Reou overall Rev node 1 Ret node 2 Reta node 3 Ret or node n National Instruments Corporation C 5 PXI 8461 or PX 8460 and NI CAN for Windows NT Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Philips also recommends an individual device RTH and RTL termination of 500 Q to 16 KQ The PXI 8460 board ships with mounted RTH and RTL values of 510 Q 5 per port The PXI 8460 kit also includes a pair of 15 kQ 5 resistors for each port After determining the termination of your existing network or device you can use the following formula to indicate which value should be placed on your PXI 8460 board in order to produce the proper overall RTH and RTL
34. lled 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
35. ls should be connected using twisted pair cable 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 High Speed CAN Ports for more information Power Supply Information for the High Speed CAN Ports For the PXI 8461 a jumper controls the source of power for the CAN physical layer For the one port boards and port one of the two port boards power is configured with jumper J5 For port two of the two port boards power is configured with jumper J6 The location of these jumpers is shown in Figure B 3 PXI 8461 or PXI 8460 and NI CAN for Windows NT B 2 www natinst com Appendix B Cabling Requirements for PXI 8461 High Speed CAN p NATIONAL INSTRUMENTS CORP m ASSY185316A PX 8460 8461 8470 o 2 REEE oooooog z PHS J O 5 a ue e us veg J a ue URE Ta pO to A sL lt o3F gt oso
36. nostic Utility 0 eee eseecee cree ceeceseesecneeeseeeeees D 2 Hardware Problem Encountered cccccccsscecsssecessececeseceseeceesssecesenseeeseeees D 2 COMMON QUES HONS es 2oc0c c2cee teeta sevardasedees a eraan eaea a Muesvenads estes hordes tibet edi Mai ees D 2 Appendix E Specifications Appendix F Technical Support Resources PXI 8461 or PXI 8460 and NI CAN for Windows NT vi www natinst com Glossary Figures Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 3 1 Figure A 1 Figure B 1 Figure B 2 Figure B 3 Figure B 4 Figure B 5 Figure B 6 Figure C 1 Figure C 2 Figure C 3 Figure C 4 Figure C 5 Figure C 6 Figure C 7 Tables Table B 1 Table B 2 Table B 3 Table C 1 Table C 2 Add Remove Programs Properties Dialog BOX ce eeeeeeeeeereeeee Installing the PXI Hardware ceeeesccesececessecencecereeeseceneeceeeesaeceenees PXI 8461 That Is Working Properly 000 0 eee cesses eeeeeeeeeesseeneeneens NI CAN Hardware Settings Dialog BOX eee ceseeseeeeeeeeeeeeeeeenee NI CAN Diagnostic Utility after Testing eee eeeceeeeeeees Add Remove Programs Properties Dialog BoX cece eeeeeeeeeeeeeee Pinout for 9 Pin D Sub Connector 0 cee eee eeceeceeeseeeeceeeeseeeeeeneeaes Pinout for 5 Pin Combicon Style Pluggable Screw Terminal PXI 8461 Part Locator Diagram 00 eee ce cesses ceeeseeeeneeeseceeeneenaes Power SOurCe JUMPers vrsne a
37. ogging security and connectivity to PLCs and industrial device networks like DeviceNet For more information about LabWindows CVI LabVIEW and BridgeVIEW contact National Instruments National Instruments Corporation 1 3 PXI 8461 or PXI 8460 and NI CAN for Windows NT Installation and Configuration This chapter describes how to install and configure the NI CAN software for Windows NT and the PXI 8461 or PXI 8460 hardware Install the NI CAN Software Install the NI CAN software for Windows NT before you install your hardware Installation for Windows NT 3 51 1 Log onas Administrator oras a user with Administrator privileges The NI CAN setup program must have Administrator privileges because the program modifies the configuration registry of your system 2 Insert the NI CAN Software for Windows 95 98 NT Disk 1 of 3 into an unused drive 3 In the Run dialog box type the following x setup where x is the letter of the drive containing the disk usually a or b 4 Shut down Windows NT and turn off your computer when the setup is complete 5 Proceed to the section nstall the Hardware Installing for Windows NT 4 0 1 Log onas Administrator oras a user with Administrator privileges The NI CAN setup program must have Administrator privileges because the program modifies the configuration registry of your system 2 Select Start Settings Control Panel National Instruments Corporation 2 1 PXI 8
38. r Windows NT 3 51 ou cee ceeeecseceeeeeseeesseceeeeceseeeneeceneeeeeeeneeeaes 2 1 Installing for Windows NT 4 0 00 eee eeceecreeeeecneessecneceaecaecaeeseenseseeeneeeaes 2 1 Install the Hardware in ienen E T T E AE E Soma deees 2 3 Check the Configuration of Your PXI 8461 or PXI 8460 oo eee 2 3 Install Your PXI 8461 or PXI 8460 ooo eee ceesecseceeecnecssecsseeeceeeeseeeseees 2 3 Connect the Cables anren en dees neither aaein leaden eats 2 4 Configure the NI CAN Software sesine e e e ERE 2 5 Chapter 3 Verify the Installation Chapter 4 Begin to Use the NI CAN Software Using the NI CAN SoftWwafeseesiorereri reirinte e N E ES er e ress 4 1 General Programming Considerations sseesseressseesrsreerrerereersstersseerrsrenresrsresreeerrrereees 4 2 Appendix A Uninstalling the Hardware and Software Uninstalling the Hardware from Windows NT eeessseesesessesesresesrssesreserresrerrsrenrrsrereses A 1 Uninstalling the NI CAN Software from Windows NT ssseseesseeesseessserrsrssrrrrerrerssess A 1 National Instruments Corporation v PXI 8461 or PXI 8460 and NI CAN for Windows NT Contents Appendix B Cabling Requirements for PXI 8461 High Speed CAN Connector PINUS sired e a E ETSE Er E E a heen EESE B 1 Power Supply Information for the High Speed CAN Ports ssseeseeeesseeseeereeresrerrseee B 2 Bus Power Supply Requirements ssessssseeesseeesereeresrssrsessrrrrsterrstenresrsseressereseeerereeee B 4 Cable Speciti Catt on
39. raries 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 BridgeVIEW is a radical departure from traditional automation software that provides a flexible program development system for a variety of DeviceNet applications including general manufacturing test and control Leveraging National Instruments patented graphical programming language G otherwise known as LabVIEW BridgeVIEW gives you the ability to integrate functionality in a way that is not possible with traditional automation software In addition to the programming advantages of G Bridge VIEW also provides a number of powerful features for the development of your industrial automation application graphical HMI Human Machine Interface ease of use fill in the blank configuration utilities HMI G Wizard for simplified HMI development historical data collection and trending alarm and event reporting and l
40. re C 2 NATIONAL INSTRUMENTS CORP m ASSY185316A Pei eS OT O 1998 oooooog a a x bok e o a a 23 ROR 6 males ol D Og DO c Tlo HEE o m a a 1 Power Supply Jumper J6 3 Assembly Number 5 Serial Number 2 Power Supply Jumper J5 4 Product Name 6 Termination Resistor Sockets Figure C 2 PXI 8460 Parts Locator Diagram 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 PXI 8461 or PXI 8460 and NI CAN for Windows NT C 2 www natinst com Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 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 Even if the CAN physical layer is powered internally the fault tolerant CAN transceiver still requires bus power to be supplied in order for it to monitor the power supply battery volt
41. rom other programming environments e 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 NJ CAN User Manual For detailed information about NI CAN functions and objects refer to the NI CAN Programmer Reference Manual PXI 8461 or PXI 8460 and NI CAN for Windows NT 4 2 www natinst com Uninstalling the Hardware and Software This appendix describes how to uninstall the PXI 8461 or PXI 8460 hardware and the NI CAN software from Windows NT Uninstalling the Hardware from Windows NT Because Windows NT 3 51 and 4 0 do not maintain hardware information for the board you just need to physically remove your PXI hardware from your computer To do so shut down Windows NT power off your PXI or CompactPCI chassis remove any cables attached to your board and physically remove the board Uninstalling the NI CAN Software from Windows NT 3 Note The following instructions apply to Windows NT 4 0 only If you are using Windows NT 3 51 refer to the readme txt file in your NI CAN directory for information on how to uninstall the NI CAN software Before uninstalling the NI CAN software you should remove the PXI boards from your computer as explained in the previous section National Instruments Corporation A 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix A Uninstalling the Har
42. rts Power requirement eee eeeeeeeeeeee 8 27 V 40 mA typical 100 mA maximum Isolation oiin oeisio 500 VDC optical PXI 8461 or PXI 8460 and NI CAN for Windows NT E 2 www natinst com Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and provides technical support telephone numbers for you to use if you have trouble connecting to our Web site or if you do not have internet access NI Web Support To provide you with immediate answers and solutions 24 hours a day 365 days a year National Instruments maintains extensive online technical support resources They are available to you at no cost are updated daily and can be found in the Technical Support section of our Web site at www natinst com support Online Problem Solving and Diagnostic Resources e KnowledgeBase A searchable database containing thousands of frequently asked questions FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback e Troubleshooting Wizards Step by step guides lead you through common problems and answer questions about our entire product line Wizards include screen shots that illustrate the steps being described and provide detailed information ranging from simple getting started instruction
43. s eepe o e a ae EENEN a IERSE S as B 5 Cable Lengths coen es a ein a ee AN B 5 Number of DEVICES esc dicsecensetscenntesreortdas berton ti nvsgteentideeunietiiowerietsd desea ters seaeeigseeentestee B 6 Cable Terminations 223 4e neh ie oa Sas RA i A ee B 6 Cabling Example icccyseccevedeiessecsdaeedeesdessesns aE E e era O NEE T eE SEAE ERENER B 7 Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Connector PINoutS psies a e a a a E ART E a EE REI Taai C 1 Power Supply Information for the Low Speed CAN Potts sseesseeeseseeersererrereererrere C 2 Bus Power Supply Requirements 200 eee ce ceseeseceseeseceeceseceeceseeeeeeseseeeeaeseeecaeeeeeenees C 3 Cable Speciti Cations aiseee eo e NE ENE AREE EEE eE C 4 Number of Devices snno n ite ae a ee es C 4 Low Speed Term natin sparsim nren eE EEr E NER C 5 Determining the Necessary Termination Resistance for Your Board C 5 Replacing the Termination Resistors eee sseceeceeceseeseceeceeeeeeeeeeseneeaee C 7 Cabling Examples sse r r paa S ES ERE A SEEE S AR Sra as C 8 Appendix D Troubleshooting and Common Questions Missing Board in the NI CAN Configuration Utility eee eee eecreeeseeeeneee D 1 Diagnostic Utility Failures eee ee eceseeseeseecseceeecaecaesecaeesececeseeeeeseseeeeseseneeaaeeaes D 1 Resoutce Errors caer deeststesds pae o R A Ea D 1 NI CAN Software Problem Encountered ccscccssseecesseceeessesessneeeeseeeees D 2 Missing Board in Diag
44. s to advanced topics e Product Manuals A comprehensive searchable library of the latest editions of National Instruments hardware and software product manuals e Hardware Reference Database A searchable database containing brief hardware descriptions mechanical drawings and helpful images of jumper settings and connector pinouts e Application Notes A library with more than 100 short papers addressing specific topics such as creating and calling DLLs developing your own instrument driver software and porting applications between platforms and operating systems National Instruments Corporation F 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Appendix F Technical Support Resources Software Related Resources e Instrument Driver Network A library with hundreds of instrument drivers for control of standalone instruments via GPIB VXI or serial interfaces You also can submit a request for a particular instrument driver if it does not already appear in the library e Example Programs Database A database with numerous non shipping example programs for National Instruments programming environments You can use them to complement the example programs that are already included with National Instruments products e Software Library A library with updates and patches to application software links to the latest versions of driver software for National Instruments hardware products and utility routines Worldwide
45. sheet 5 Pin 9 Pin 9 Pin 5 Pin Combicon D Sub D Sub Combicon CAN_H Pin 4 Pin7 gt lt Pin7 Pin 4 CAN_L Pin 2 Pin2 gt Pin 2 Pin 2 GND Pin 3 Pin5 gt lt Pins Pin 3 V i Pin 5 Pin 9 gt Ping Pin5 r V Pin 1 Pin3 gt lt Pins Pin 1 Power Connector V gt V Figure C 7 Cabling Example PXI 8461 or PXI 8460 and NI CAN for Windows NT C 8 www natinst com Troubleshooting and Common Questions This appendix describes how to troubleshoot problems and answers some common questions Missing Board 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 e Windows NT 3 51 Open the Control Panel in the Main group of the Program Manager e Windows NT 4 0 or later Select Start Settings Control Panel If your board is not listed under NI CAN Configuration the board is not properly installed For the PXI 8461 or PXI 8460 this means that the board is not physically present in the system If your board is firmly plugged into its slot and the problem persists contact National Instruments 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 r
46. slot Use the injector ejector handle to fully inject the device into place Figure 2 2 shows how to install the PXI board into a PXI or CompactPCI chassis 1 Injector Ejector Handle In Down Position 3 PXI Chassis 2 PXI Board 4 Injector Ejector Rail Figure 2 2 Installing the PXI Hardware 6 Screw the front panel of the PXI board to the front panel mounting rail of the PXI or CompactPCI chassis 7 Turn on your PXI or CompactPCI chassis and start Windows NT Connect the Cables After you have installed your board connect the CAN cables to your PXI board Because exact cabling requirements vary for each application National Instruments does not provide cables Refer to Appendix B Cabling Requirements for PXI 8461 High Speed CAN or Appendix C Cabling Requirements for PXI 8460 Low Speed CAN for information about the cabling requirements of the CAN hardware PXI 8461 or PXI 8460 and NI CAN for Windows NT 2 4 www natinst com Chapter 2 Installation and Configuration 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 the information you need to configure the NI CAN software To use the NI CAN Configuration utility you must first
47. ta 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 and the NI CAN Programmer Reference Manual National Instruments Corporation 4 1 PXI 8461 or PXI 8460 and NI 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 e For your LabVIEW or Bridge VIEW application you must use the NI CAN LabVIEW functions in nican 11b e For your C C application you must include the NI CAN header file nican h in your source code e The NI CAN software is accessed through the 32 bit DLL nican d11 either by linking with one of the language interfaces provided with the NI CAN software or by using direct DLL entry f
48. ti E E E E Termination Resistor Placement ssseseeeseesseeeeeseersreerreerrrreserersereesre Cabin Example seseo ee ee E a ERN EnS ESPES E osp Eie SSE Pinout for 9 Pin D Sub Connector essseeesssseesereeeesseereseerrsreereressesesee PXI 8460 Parts Locator Diagram esseeseeesseeessseesrsreerereerereneesresereerere Power Source Jumpers eseis eei en E E EE aetieeen Termination Resistor Placement for Low Speed CAN eee Location of Termination Resistors on a PXI 8460 seses Preparing Lead Wires of Replacement Resistors eeseeeeeeseeceeeees Cabling Examples pores seei erare na E E aei Power Requirements for the CAN Physical Layer for Bus Powered Versions vn a eseina eass e K EEE KOKEE ISO 11898 Specifications for Characteristics of a CAN_H and CAN EG Pair OF WES a e E ec box EE EE DeviceNet Cable Length Specifications eseseesesseressseeerrerereeresrreeee Power Requirements for the Low Speed CAN Physical Layer for Bus Powered Versions ccccccccsssssccecesesssecececesseaeccecesseaececceesaeeeeeeeas ISO 11519 2 Specifications for Characteristics of a CAN_H and CAND LE Pair of Wies a a e a a r a a Contents National Instruments Corporation vil PXI 8461 or PXI 8460 and NI CAN for Windows NT About This Manual This manual contains instructions to help you install and configure your PXI 8461 one port and two port or PXI 8460 one port or two port and the NI CAN software for Windows
49. upts required for the PXI 8461 and PXI 8460 Yes one interrupt per board is required What do I do if the NI CAN Diagnostic utility fails with an error Refer to the 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 contact National Instruments 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 How do I use NI CAN from within LabVIEW or BridgeVIEW For information about using NI CAN from within LabVIEW or Bridge VIEW refer to Chapter 3 Developing Your Application in the NI CAN User Manual 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 because the directory is not empty after the uninstallation You must remove any remaining components yourself National Instruments Corporation D 3 PXI 8461 or PXI 8460 and NI CAN for Windows NT Specifications This appendix describes the physical characteristics of the hardware and the recommended operating conditions PXI 8461 One Port and Two Port DIMEMNSIONS cece ceecec
50. ur hardware and software are functioning properly and that the configuration of your hardware does not conflict with anything else in your system To run the utility select the NI CAN Diagnostic item e Windows NT 3 51 Double click on the NI CAN Diagnostic icon in the NI CAN Software group of the Program Manager e Windows NT 4 0 or later Select Start Programs National Instruments CAN NI CAN Diagnostic When you have started the NI CAN Diagnostic utility test your CAN interfaces by clicking on the Test All button You can also test one CAN interface by highlighting it and clicking on the Test One button If the NI CAN Diagnostic is successful it puts a checkmark next to the interface and changes its status from Untested to Passed If the NI CAN Diagnostic fails it puts an X next to the interface and changes its status from Untested to Failed Figure 3 1 shows the NI CAN Diagnostic utility after it has tested some CAN interfaces Y NI CAN Diagnostic 21x Status Test Ail SB CANO PxI 8461 CAN 2 Port SNO PORT1 Passed ZCANT PXI 8461 CAN 2 Port SNO PORT2 Passed Test One Details Exit Help NI CAN Software for WindowsNT version 1 3 0 Figure 3 1 NI CAN Diagnostic Utility after Testing National Instruments Corporation 3 1 PXI 8461 or PXI 8460 and NI CAN for Windows NT Chapter 3 Verify the Installation You can get details about any tested CAN interface by selecting the interface an
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