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National Instruments PXI-8460 User's Manual

1. pogs re L 3 i o O ay HPO a Bt 3 JO ji w 7 Be F cy E B Q Eto F ae i Lee j i Oj O Tat CE 3 By e FH 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 l 13 mm a Figure C 6 Preparing Lead Wires of Replacement Resistors 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 National Instruments Corporation C 7 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 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 data sheet 5 Pin 9 Pin 9 Pin 5 Pin Combicon D Sub D Sub Combicon CAN
2. 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 or PXI 8460 one port and two port is software configurable and compliant with the PXI Specification and CompactPCI 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 National Instruments Corporation 1 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Chapter 1 Introduction PXI 8460 physical layer conforms to the ISO 11519 2 physical layer 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 fo
3. Figure C 3 shows how to configure your jumpers for internal or external power supplies INT EXT INT EXT 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 98 95 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 Length related
4. 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 98 95 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 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
5. 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 98 95 F 2 www natinst com Glossary Prefix Meaning Value n nano 10 9 m milli 10 3 k kilo 103 M mega 106 Ai degrees Q 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 Controller Area Network CiA CAN in Automation DC direct current DLL dynamic link library DMA direct memory access EMI electromagnetic inte
6. levels Windows might configure your interface without an Interrupt Request level The NI CAN software cannot function without an Interrupt Request level Another way to verify this problem is to look at the Resource settings list on the Resources tab to verify that your interface was not assigned an Interrupt Request level To solve this problem free up an Interrupt Request level that is being used by another device in the system Your interface is disabled To enable your interface check the appropriate configuration checkbox in the Device Usage section of the General tab Your interface is not present or the Device Manager is unaware that your interface is present To solve this problem select your interface in the Device Manager and click on the Remove button Next click on the Refresh button At this point the system rescans the installed hardware and your interface should appear If the problem persists contact National Instruments Windows was unable to assign your interface any resources To solve this problem free up system resources by disabling other unnecessary hardware so that enough resources are available for your interface The resources required for a single interface are an Interrupt Request level and an 8 KB physical memory range such as D0000 to D1FFF hex PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 D 4 www natinst com Appendix D Troubleshooting and Common Questions Diagnostic Utility Failures
7. 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 from other programming environments e Several sample CAN applications are included with the NI CAN software Use them 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 98 95 4 2 www natinst com Uninstalling the Hardware and Software This appendix describes how to uninstall the PXI hardware and the NI CAN software from Windows 98 95 Uninstalling the Hardware from Windows 98 95 Before physically removing the board from the computer you must remove the hardware information from the Windows Device Manager To remove the hardware information from Windows 98 95 complete the following steps 1 Select Start Settings Control Panel 2 Double click on the System icon 3 Inthe System Properties dialog box that appear
8. The following sections explain common error messages generated by the NI CAN Diagnostic utility Memory Resource Conflict This error occurs if the memory resources assigned to a board conflict with the memory resources being used by other hardware in the system Resource conflicts typically occur when your system contains legacy hardware that uses resources that have not been reserved properly with the Device Manager If a resource conflict exists write down the memory resource that caused the conflict and refer to the Microsoft Windows user s guide for instructions on how to use the Device Manager to reserve memory resources for legacy hardware After the conflict has been resolved run the NI CAN Diagnostic utility again Interrupt Resource Conflict This error occurs if the interrupt resources assigned to a board conflict with the interrupt resources being used by other hardware in the system Resource conflicts typically occur when your system contains legacy hardware that use resources that have not been reserved properly with the Device Manager If a resource conflict exists write down the interrupt resource that caused the conflict and refer to the Microsoft Windows user s guide for instructions on how to use the Device Manager to reserve interrupt resources for legacy boards After the conflict has been resolved run the NI CAN Diagnostic utility again NI CAN Software Problem Encountered This error occurs if the NI CAN Diagnos
9. Working Properly To configure a particular interface double click on that interface in the list of installed interfaces below National Instruments CAN Interfaces The Resources tab provides information about the hardware resources assigned to the CAN interface Use the Resources tab to examine the assigned resources to verify that there are no conflicts The Conflicting Device List lists any conflicts If conflicts exist uncheck the Use automatic settings checkbox and use the Change Setting button to select conflict free resources for the CAN hardware The Settings tab shown in Figure 2 5 provides information about the NI CAN software configuration for the CAN interface PXI 8461 CAN 2 Port Properties EAtenelse Caeser Edtanielsel flats standard filets Sei gielipel Rejrjeiaiatep Figure 2 5 NI CAN Hardware Settings Dialog Box National Instruments Corporation 2 5 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Chapter 2 Installation and Configuration Each port of the PXI 8461 or PXI 8460 is configured from the same 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 right click the mouse anywhere on
10. 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 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 98 95 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 o
11. 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 98 95 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 can H i a p Kr 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 cable The ter
12. in Figure 2 1 appears Add Remove Programs Properties 27 x Install Uninstall windows Setup Startup Disk jl To install a new program from a floppy disk or CD ROM drive click Install TA The following software can be automatically removed by o Windows To remove a program or to modify its installed components select it from the list and click Add Remove OK Cancel Figure 2 1 Add Remove Programs Properties Dialog Box National Instruments Corporation 2 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Chapter 2 Installation and Configuration 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 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 Shut down Windows 98 95 and turn off your computer when you complete the setup 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 availab
13. of the controls on the configuration utility buttons includes all the information you need to configure the NI CAN software To configure the NI CAN software double click on the System icon under Start Settings Control Panel In the System Properties dialog box that appears select the Device Manager tab click on the View devices by type radio button at the top of the tab and double click on the National Instruments CAN Interfaces icon If there is no National Instruments CAN Interfaces item or if a circled X or exclamation point appears through the eagle icon the CAN interface is not working properly Figure 2 3 shows an example of a PXI 8461 that is working properly and Figure 2 4 shows an example of a PXI 8461 that is not working properly Refer to the Device Manager Problems section of Appendix D Troubleshooting and Common Questions to resolve the problem lE OE Keyboar i Monitor A Mouse W National Instruments CAN Interfaces 1 i m e Y F lt I 8461 CAN 1 Port J Ports COM amp LPT ES stem devices ip j E Figure 2 3 Device Manager Shows PXI 8461 That Is Working Properly PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 2 4 www natinst com Chapter 2 Installation and Configuration i A Monito H A Mouse a National Instruments CAN Interfaces WF PXI 8461 CAN 1 Port 9 Ports COM amp LPT Figure 2 4 Device Manager Shows PXI 8461 That Is Not
14. 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 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 Setene ra EEEE E EK ix GONVENUOMNS ieor i E E EEE E E E EE A A EEEE E ies X Related Documentation siess oriee eR aN E E AA OE e X Chapter 1 Introduction What 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 NI CAN Software Oyervie W sc scsscsietssseessesisoepeseatbanapasseseseg shsteiesenchuadeieus T Erer RS 1 2 Optional Programming Tools sssssssseeeesseesseteseeresesessrerrsrersresterenserssreresreesreserrrsreersre 1 3 Chapter 2 Installation and Configuration Install the NI CAN Software ce eesesscessecesseceececsseeeneeeeeeecseceeeceseecsaeceaeeceeeeaeeeeeeenas 2 1 Instal
15. 0 and NI CAN for Windows 98 95 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 V No Connection No Connection V Shield Figure C 1 Pinout for 9 Pin D Sub Connector National Instruments Corporation C 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix C Cabling Requirem ents 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 Thes
16. C MONITORING 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 in
17. CAN Getting Started with Your PXI 8461 or PXI 8460 and the NI CAN Software for Windows 98 95 Qr NATIONAL September 1999 Edition gt INSTRUMENTS Part Number 322005B 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 The PXI hardware is warranted against defects in materials and workmanship for a period of one yea
18. Diagram cece ceceseeeeceeeeseeeeeeneensees B 3 Figure B 4 Power Source JUMpers 0 0 0 eceeeseeeceeceeceeeeeeeeeecaeesaeaeesecesceeeeaeeeneaes B 4 Figure B 5 Termination Resistor Placement 0 eee ceesecseceeececeseeteceseeseeneees B 6 Fipure B 6 Cabling Example si 4 Av e e is a S E N R A AE B 7 Figure C 1 Pinout for 9 Pin D Sub Connector sssesseseesesserseisreersreersreresreeesrrereees C 1 Figure C 2 PXI 8460 Parts Locator Diagram esesesseeeessseesseesrrsreerrrrsrerreeeereseres C 2 Figure C 3 Power Source JUMpers isese eee ee ceeseeceecnseceecseesecesceeeeseeeveneesesenevaes C 3 Figure C 4 Termination Resistor Placement for Low Speed CAN eee C 5 Figure C 5 Location of Termination Resistors on a PXI 8460 oe eee C 7 Figure C 6 Preparing Lead Wires of Replacement Resistors 0 0 0 0 eee eens C 7 Figure C7 Cabling Bx amples sch ves nies e EER C 8 Figure D 1 Device Manager Shows PXI 8461 That Is Not Working Properly D 3 Tables Table B 1 Power Requirements for the CAN Physical Layer for Buss Powered Versions ccccccccseesssececesesssccececesssaeccecesseaeeecceessaeeeeeeenes B 4 Table B 2 ISO 11898 Specifications for Characteristics of a CAN_H and CAN LG Parrot Wiesner atoe a aoa Eere E ESE cece senvevee B 5 Table B 3 DeviceNet Cable Length Specifications eseseesesseeeseeeeerserererreserreee B 5 National Instruments Corporation vil PXI 8461 or PXI 8460 and NI CAN for Wi
19. Installation and Configuration PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 A 4 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 has either 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 y 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 98 95 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 a ee 3 Zz o zZ l lt lt x gt O n O gt I O 1 2 3 4 5 O O Q O O KOA ACAO AO AS A Figure B 2 Pinout for 5 Pin Combicon Style Pluggable Screw Terminal CAN_H and CAN _L are signal lines that carry the data on the CAN network These signals should be connected u
20. S nren e r E E E RER B 6 Cable Termin ti i me i Sas RA RA AA ee B 6 Cabling PRA E T e E a 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 S peed Termination svcisnesssessnesisgestenvevasespententaheuoon E E RE C 5 Determining the Necessary Termination Resistance for Your Board C 5 Replacing the Termination Resistors ccccsesessecssesesseeseesenecseeesesecsesenees C 6 Cabling Examples ss r r pae S ES ERE A SEEE S AR Srat C 8 Appendix D Troubleshooting and Common Questions Device Mana ger Problems y csie isaecancecd sacevinenstevtcentneys sa A E E R E D 1 No National Instruments CAN Interfaces eee ceesecenceceteeeneeeeneeceeeeeeeeeeees D 1 Missing Board in Device Manage sseescceseeeeseceececeeecaeceneecereeeneceeneen D 2 Problem Shown in Device Manager 0 cc eceecescessecssecseceseeeceeeeseceseeeeeeeeenes D 3 Diagnostic Utility Fallt S noiseen n E R abey nie RET RER D 5 Memory Resource Conflict 0 0 0 ceeeececeeeeeseeeeecseesaecsecaeceeesseeeeeseeerenes D 5 Interrupt Re
21. _H Pin 4 Pin7 gt lt Pin7 Pin 4 CAN_L Pin 2 Pin2 gt Pin 2 Pin 2 GND Pin3 Pins gt lt Pin 5 Pin3 Pin 5 Ping gt 2 Ping Pin5 Pin 1 Pin3 gt lt Pin3 Pin 1 Power Connector V gt v gt Figure C 7 Cabling Example PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 C 8 www natinst com Troubleshooting and Common Questions This appendix describes how to troubleshoot problems and answers some common questions Device Manager Problems The Windows Device Manager contains configuration information for all of the hardware in your system To start the Windows Device Manager double click on the System icon under Start Settings Control Panel In the System Properties box that appears select the Device Manager tab and click on the View devices by type radio button at the top of the tab If there is no National Instruments CAN Interfaces item and you are certain your board is installed refer to the No National Instruments CAN Interfaces section of this appendix This problem occurs when Windows 98 95 does not display the New Hardware Found dialog box when expected If the National Instruments CAN Interfaces item exists but the board you are looking for is not listed there refer to the Missing Board in Device Manager section of this appendix If the board you are looking for is listed but has a circled X or exclamation mark over its icon refer to the Problem Shown in Device Manager section of th
22. 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 logging 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 98 95 Installation and Configuration This chapter describes how to install and configure the NI CAN software for Windows 98 95 and the PXI 8461 or PXI 8460 hardware Install the NI CAN Software Install the NI CAN software before you install your hardware 1 Select Start Settings Control Panel 2 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
23. and NI CAN for Windows 98 95 1 2 www natinst com Chapter 1 Introduction e Configuration utility 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 98 95 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 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 BridgeVIEW is a radical departure from traditional automation software that provides
24. cececeeseeeseseseeesesenees 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 98 95 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 Ports 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 98 95 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 an
25. ct 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 7 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Specifications This appendix describes the physical characteristics of the hardware and the recommended operating conditions PXI 8461 One Port and Two Port DIMEMNSIONS cece ceececeeseeeeeseseseseseees 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 cccccc
26. d 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 instructions 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
27. e jumpers are shown in Figure C 2 ok NATIONAL INSTRUMENTS CORP m ASSY185316A Pei eS OT o 1998 oooooog 2 3 b g Sd a 6 u ap a j uz 1 2 Power Supply Jumper J6 Power Supply Jumper J5 3 Assembly Number 5 Serial Number 4 Product Name 6 Termination Resistor Sockets Figure C 2 PXI 8460 Parts Locator Diagram PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 C 2 www natinst com Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 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 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 voltage
28. er 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 action
29. f 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 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 98 95 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 Pin2 gt Pin 2 Pin 2 hiel Pin3 Pin5 Shield Pin 5 Pin 3 V Pin 5 Ping gt Pin 9 Pin 5 s V Pin 1 Pin 3 Pin 3 Pin 1 Power Connector a v gt Figure B 6 Cabling Example National Instruments Corporation B 7 PXI 8461 or PXI 846
30. ion ix PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 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 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 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 Related Documentation The following documents contain infor
31. is appendix No National Instruments CAN Interfaces If you are certain your board is installed but no National Instruments CAN Interfaces item appears in the Device Manager the board is probably incorrectly listed under Other Devices This problem occurs when Windows 98 95 does not display the New Hardware Found dialog box when expected National Instruments Corporation D 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix D Troubleshooting and Common Questions To fix the problem complete the following steps l 2 Select Start Settings Control Panel Double click on the System icon to display the System Properties dialog box for the computer Click on the Device Manager tab at the top of the System Properties sheet to bring up the Device Manager property page Make sure the View devices by type button at the top of the Device Manager page is selected Click on the plus sign next to Other Devices to display a list of all the hardware devices that Windows has detected and configured as Other Devices For each PXI 8461 or PXI 8460 listed select the board by clicking on it and then click on the Remove button to remove each board from the list of Other Devices After you have removed all of the PXI 8461 or PXI 8460 boards from the list of Other Devices click on the Refresh button to force Windows to detect each PXI board and to display a New Hardware Found dialog box for each one Your PXI 8461 or PXI 8460 b
32. ists the software available for removal Add Remove Programs Properties 27 x Install Uninstall Windows Setup Startup Disk FB To install a new program from a floppy disk or CD ROM drive click Install 22 Ihe 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 Microsoft Publisher 97 Microsoft Small Business Financial Manager 97 Microsoft Visual C 5 0 Microsoft Word 97 National Instruments HiQ 4 1 F Netscape Navigator pcicfg OQVT Net 4 0 d Add Remove OK Cancel Figure A 2 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 National Instruments Corporation A 3 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix A Uninstalling the Hardware and 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 must remove any remaining components yourself If you want to reinstall the hardware and software refer to Chapter 2
33. l the Hardware nre Saee taenia e Medcats ove dbleveds svecheasavedeuseediqedcevessausaves 2 2 Check the Configuration of Your PXI 8461 or PXI 8460 oo ee 2 2 Install Your PXI 8461 or PXI 8460 ooo eee ceesecseceseceecesecsseeseceseeseeseees 2 2 Connect the Cables 2s cccpscisedtveses a coon a ea ebenneh ad a a i 2 4 Configure the NI CAN Software eeeecceseeceeeeeecseeesecseesaecaeceaecnesaeeseseseeeeneeeees 2 4 Chapter 3 Verify the Installation Chapter 4 Begin to Use the NI CAN Software Using the NI CAN Software ienie R A E aT IE eE es 4 1 General Programming Considerations sssesseressseesesreesrressrersstersseerrsrenrrsrsresreserreereees 4 2 Appendix A Uninstalling the Hardware and Software Uninstalling the Hardware from Windows 98 95 ssseseseeeesesresesresesresrrresresrsreerrsrereses A 1 Uninstalling the NI CAN Software from Windows 98 95 sseseeeseeesseeesrererrererrereen A 3 National Instruments Corporation v PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Contents Appendix B Cabling Requirements for PXI 8461 High Speed CAN Connector PinOut sirere e a at aa E ESE Eer nE E a ETS EEEE B 1 Power Supply Information for the High Speed CAN Ports ssseeseeeesseeseeereeresrerrseee B 2 Bus Power Supply Requirements ssessssseeesseeesereeresrssrsessrrrrsterrstenresrsseressereseeerereeee B 4 Cable Speciti Catt ons 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 DOVICE
34. le 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 ZN Caution Before you remove the board from the package touch the antistatic plastic package to a metal part of your system chassis to discharge electrostatic energy which can damage several components on your board 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 Choose an unused PXI or CompactPCI 5 V peripheral slot Remove the filler panel for the peripheral slot you have chosen PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 2 2 www natinst com Chapter 2 Installation and Configuration Touch a metal part on your chassis to discharge any static electricity that might be on your clothes or body Insert the PXI board into the selected 5 V 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 2 PXI Board 1 Injector Ejector Handle In Down Position 3 PXI Chassis 4 Injector Eject
35. ll SB CANO Px 8461 CAN 2 Port SNO PORT1 Passed ZCANT FPXI 8461 CAN 2 Port SNO PORT2 Passed Test One Details Exit Help dad gt NI CAN Software for Windows95 98 version 1 3 0 Figure 3 1 NI CAN Diagnostic Utility after Testing You can get details about any tested CAN interface by selecting the interface and clicking the Details button For each failed CAN interface select it and click the Details button to get a description of the failure Use that information and the information in Appendix D Troubleshooting National Instruments Corporation 3 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Chapter 3 Verify the Installation 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 98 95 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 98 95 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 va
36. mation that you may find helpful as you read this manual e ANSI ISO Standard 11898 1993 Road Vehicles Interchange of Digital Information Controller Area Network CAN for High Speed Communication e ANSI ISO Standard 11519 2 1994 Road Vehicles Low Speed Serial Data Communication Part 2 Low Speed Controller Area Network CAN e CAN Specification Version 2 0 1991 Robert Bosch Gmbh Postfach 500 D 7000 Stuttgart 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 X www natinst com About This Manual e CiA Draft Standard 102 Version 2 0 CAN Physical Layer for Industrial Applications e CompactPCI Specification Revision 2 0 PCI Industrial Computers Manufacturer s Group e DeviceNet Specification Version 2 0 Open DeviceNet Vendor Association e Microsoft Windows 95 98 user s guide Microsoft Corporation e PXI Specification Revision 1 0 National Instruments Corporation National Instruments Corporation xi PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Introduction This chapter lists what you need to get started provides an overview of the PXI hardware and the NI CAN software for Windows 98 95 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 98 or Windows 95 installed on your computer Q One of the following boards which is included in your kit
37. mination 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 se t ad a l 1 Reon overall Ret node 1 Reta node 2 Ret node 3 Ret or node n 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 National Instruments Corporation C 5 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix C Cabling Requirements for PXI 8460 Low Speed CAN 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 termination of 100
38. n 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 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 98 95 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
39. ndows 98 95 Contents Table C 1 Power Requirements for the Low Speed CAN Physical Layer for Bus Powered Versions ccccccccccsccccesesesecsssssececsesecceseseseeserseeeeaeseees C 3 Table C 2 ISO 11519 2 Specifications for Characteristics of a CAN_H and CAN th Part Ob Wares seit4 a ood seed toate sseneeehstaet s C 4 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 viii www natinst com 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 98 95 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 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 98 95 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 Corporat
40. nez p acros J E one vids j FE 4 SRAN 6akx16 Bi Pi rie S M 9 Hi Re ey a j 2 Eidi i i Ges DO Ed wee Eg Z ce B R A of g 3 kw Bo Bie i ge o L j 1 Power Supply Jumper J6 3 Assembly Number 5 Serial Number 2 Power Supply Jumper J5 4 Product Name Figure B 3 PXI 8461 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 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 PXI 8460 and NI CAN for Windows 98 95 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 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 show
41. oards should now appear under National Instruments CAN Interfaces Verify the installation as described in Chapter 3 Verify the Installation Missing Board in Device Manager If the National Instruments CAN Interfaces item exists but the CAN interface you are looking for is not listed there the interface is not properly installed For National Instruments CAN hardware this problem indicates that the interface is not physically present in the system PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 D 2 www natinst com Appendix D Troubleshooting and Common Questions Problem Shown in Device Manager If a PXI 8461or PXI 8640 is not working properly its icon has a circled X or exclamation mark overlaid on it as shown in Figure D 1 System Properties BES General Device Manager Hardware Profiles Performance View devices by type View devices by connection 9 Disk drives Display adapters Floppy disk controllers 3 Hard disk controllers F Keyboard g Monitor A Mouse W National Instruments CAN Interfaces Ww Px1 8461 CAN_1 Port a Ports COM amp LPT System devices F FE ERE Properties Refresh Remove Print cancel _ Figure D 1 Device Manager Shows PXI 8461 That Is Not Working Properly This problem can occur for several reasons If you encounter this problem the Device Manager should list an error code that indicates why the p
42. on appears in the list of device types Double click this icon to see a list of installed hardware 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 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 for Windows 98 95 The NI CAN software for Windows 98 95 can be configured to communicate with up to 10 boards Are interrupts required for the PXI 8461 or PXI 8460 Yes one interrupt per board is required PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 D 6 www natinst com Appendix D Troubleshooting and Common Questions What do I do if my board is listed in the Windows Device Manager with a circled X or exclamation point overlaid on it Refer to the Problem Shown in Device Manager section of this appendix for specific information about what might cause this problem If you have already completed the troubleshooting steps contact National Instruments What do I do if the NI CAN Diagnostic utility fails with an error Refer to the Diagnostic Utility Failures section of this appendix for specific information about what might cause the NI CAN Diagnostic utility to fail If you have already completed the troubleshooting steps conta
43. or Rail National Instruments Corporation Figure 2 2 Installing the PXI Hardware Screw the front panel of the PXI board to the front panel mounting rail of the PXI or CompactPCI chassis Turn on your PXI or CompactPCI chassis and start Windows Windows should automatically detect the hardware and associate it with the NI CAN software A New Hardware Found dialog box appears then goes away on its own If the dialog box does not go away select Windows default driver and click on the OK button 2 3 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Chapter 2 Installation and Configuration If the New Hardware Found dialog box does not appear when you restart Windows refer to the section Device Manager Problems in Appendix D Troubleshooting and Common Questions 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 Configure the NI CAN Software The NI CAN Configuration utility is fully integrated with the Windows Device Manager 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
44. r 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 boards 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 driver that is fully Plug and Play aware The driver components are dynamically loaded when Windows detects new hardware and dynamically unloaded when Windows detects the removal of hardware The NI CAN software is fully integrated into the Windows operating system You can configure it through the Windows Device Manager and uninstall it through the Add Remove Programs applet of the Control Panel The NI CAN software supports the concurrent use of multiple CAN boards For example you can use both a PXI 8461 and a 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 PXI 8461 or PXI 8460
45. r 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 The read
46. rference FCC Federal Communications Commission ft feet hex hexadecimal National Instruments Corporation G 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Glossary HMI Hz IEEE I O IRQ ISA ISO m PC PCI PCMCIA PLC RAM resource VDC VXI Human Machine Interface hertz Institute of Electrical and Electronic Engineers inches input output interrupt request Industry Standard Architecture International Standards Organization 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 98 95 G 2 www natinst com
47. rious 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 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 on 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 98 95 Chapter 4 Begin to Use the NI CAN Software General Programming Considerations
48. roblem occurred To see the error code for a particular interface select the name of the interface and click on the Properties button to go to the General tab for that interface The Device Status section of the General tab shows the error code Locate the error code in the following list to find out why your interface is not working properly Code 8 The NI CAN software was incompletely installed To solve this problem reinstall the NI CAN software for Windows 98 95 Code 9 Windows had a problem reading information from the interface Contact National Instruments for assistance National Instruments Corporation D 3 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix D Troubleshooting and Common Questions Code 12 Code 15 Code 22 Code 24 Code 27 Your interface was not assigned a physical memory range If your computer does not have 8 KB of available memory Windows might configure your interface without a physical memory assignment The NI CAN software cannot function without 8 KB of physical memory Another way to verify this problem is to look at the Resource settings list on the Resources tab to verify that the interface was not assigned a Memory Range To solve this problem free up an 8 KB Memory Range such as D0000 to D1FFF hex that is being used by another device in the system Your interface was not assigned an Interrupt Request level If your computer does not have any available Interrupt Request
49. s select the Device Manager tab 4 Click on the View devices by type button at the top of the Device Manager tab 5 Double click on the National Instruments CAN Interfaces icon 6 To remove a board select it from the list of boards under National Instruments CAN Interfaces as shown in Figure A 1 and click on the Remove button National Instruments Corporation A 1 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix A Uninstalling the Hardware and Software System Properties Monitor Mouse National Instruments CAN Interfaces aF Ports COM amp LPT H System devices Figure A 1 Selecting an Interface to Remove from Windows 98 95 After you remove the appropriate hardware information from the Device Manager you should shut down Windows power off your PXI or CompactPCI chassis remove any cables attached to your board and physically remove the board from your computer PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 A 2 www natinst com Appendix A Uninstalling the Hardware and Software Uninstalling the NI CAN Software from Windows 98 95 Before uninstalling the NI CAN software you should remove all PXI 8461 or PXI 8460 boards 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 2 appears This dialog box l
50. s 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 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 ELECTRONI
51. sing 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 98 95 B 2 www natinst com Appendix B Cabling Requirements for PXI 8461 High Speed CAN Ft NATIONAL INSTRUMENTS CORP w ASSY185316A PX 8460 8461 8470 Oo e G00000009 90 1 JO ise Sits Sas o lt 4 x pe Ug fe fe 5 O sB E Pi 4 D U o pP si O O irs ier TT E e si OL FO E
52. source Conthict sessen ninr sie gucevdes o ESES es D 5 NI CAN Software Problem Encountered 000 0 cee ceeeeceeeeeeseeeeeeseeeneceeeaees D 5 Missing Board in Diagnostic Utility 0 eee eseeceecneecaeceseesecneenseeneenes D 6 Hardware Problem Encountered ccsesccesceceeceeseceeeceeeecesaeceetecsaeeeneeeeneenes D 6 Common QUES ONS ea aee e va cadedcocedssces lathe aaa ea aE oe aE E EETA EEEE E a D 6 Appendix E Specifications PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 vi www natinst com Contents Appendix F Technical Support Resources Glossary Figures Figure 2 1 Add Remove Programs Properties Dialog BoX eee eee ese eeees 2 1 Figure 2 2 Installing the PXI Hardware eee eeeeeesseseessececeseeseeeeeeeeeseseneeaes 2 3 Figure 2 3 Device Manager Shows PXI 8461 That Is Working Properly 2 4 Figure 2 4 Device Manager Shows PXI 8461 That Is Not Working Properly 2 5 Figure 2 5 NI CAN Hardware Settings Dialog BOX ieee cece eeeeereenee tees 2 5 Figure 3 1 NI CAN Diagnostic Utility after Testing oo eee eeeeeeeeereeees 3 1 Figure A 1 Selecting an Interface to Remove from Windows 98 95 0 0 ee A 2 Figure A 2 Add Remove Programs Properties Dialog BOX eee eee eee eeees A 3 Figure B 1 Pinout for 9 Pin D Sub Connector ee ceeeseeeeceeceeeeeeeeneeseeeneenees B 1 Figure B 2 Pinout for 5 Pin Combicon Style Pluggable Screw Terminal B 2 Figure B 3 PXI 8461 Parts Locator
53. stalled 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
54. the Settings tab and select Full Help from the pop up menu that appears You can also 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 98 95 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 your 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 under Start Programs National Instruments CAN 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 T NI CAN Diagnostic 12 xi Status Test A
55. tic 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 98 95 National Instruments Corporation D 5 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 Appendix D Troubleshooting and Common Questions Missing Board in Diagnostic Utility If a board is physically installed in your system but is not listed in the NI CAN Diagnostic utility check the Windows Device Manager to see if Windows has detected the board For more information refer to the Device Manager Problems section earlier in this appendix Hardware Problem Encountered This error occurs if the NI CAN Diagnostic utility detects a defect 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 board I have installed Run the NI CAN Configuration utility To run the utility select Start Settings Control Panel System Select the Device Manager tab in the System Properties dialog box Click on the View devices by type radio button at the top of the sheet If the PXI board is correctly installed a National Instruments CAN Interfaces ic
56. to 500 Q upon connection of the board R 1 rq pet RTH overall 1 1 naa G aaa R RTH of low speed CAN interface R RTH of existing network or device Re TH overal Should be between 100 and 500 Q RRTH of low speed CAN interface 510 Q 5 mounted or 15 KQ 5 in kit Reva 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 Q 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 Q 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 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 PXI 8461 or PXI 8460 and NI CAN for Windows 98 95 C 6 www natinst com Appendix C Cabling Requirements for PXI 8460 Low Speed CAN Ft NATIONAL INSTRUMENTS CORP yw ASSY185316A PX1 8460 8461 8470 g 9 1998 aKoKeXeKoKoNeXs E SO Sie nemo E ste pm iow a 8 J O 5

National Instruments PXI-8460 User's Manual

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