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National Instruments PXI-8462 manual

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  • Page 1

    CAN Getting Started with Your PXI-846 x Series and the NI-CAN ™ Software for Windows NT PXI-8460, PXI-8461, and PXI-8462 PXI-846x an d NI-CAN for Windows NT August 2000 Edition Part Number 370294 A-01[...]

  • Page 2

    Support Worldwide Technical Support and Product Information ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 0 11 284 5011, Canada (Calgary) 403 274 9391, Canada (Ontario) 905 [...]

  • Page 3

    Important Information Warranty The PXI hardware is war ranted against defects in mat erials and workmanship for a period of one year from the date of shipm ent, as evidenced by receipts o r other documenta tion. National In struments will, at its option, repair or replace e quipment that prov es to be defective during the warranty period. This warr[...]

  • Page 4

    Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communication s Commission (FCC) has rules to protect wireless comm unications from interference. The FCC places digital electronics into two classes. These classes ar e known as Class A (for use in industrial- commercial locations only) or Class B (for[...]

  • Page 5

    • Connect the equipment into an outlet on a circuit diffe rent from that to which the rec eiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Canadian Depart ment of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil n[...]

  • Page 6

    © National Instruments Corporatio n vii PXI-846x and NI-CAN for Windows NT Contents About This Manual How To Use the Manual Set ............ ............ .............. ........... ........... .............. ............ .... xi Conventions ............ ........... .............. ............ ........... .............. ........... ............ ...[...]

  • Page 7

    Contents PXI-846x and NI- CAN for Windows N T viii ni.com Appendix B Cabling Requirements for PXI-8460 Low-Speed CAN Connector Pinouts ....................... ........... .............. ........... ............ .............. ........... ......... B-1 Power Supply Information for the Low-Speed CAN Ports .............. ............... ..............[...]

  • Page 8

    Contents © National Instruments Corporatio n ix PXI-846x and NI-CAN for Windows NT Appendix G Specifications Appendix H Technical Support Resources Glossary Index Figures Figure 2-1. Add/Remove Programs Properties Dialog Box........................ ............. 2-2 Figure 2-2. Installing the PXI Hardware .............. .............. ........... [...]

  • Page 9

    Contents PXI-846x and NI-C AN for Windows N T x ni.com Tables Table B-1. Power Requirements for the Low-Speed CAN Physical Layer for Bus-Powered Versions ........ .............. ............ ........... .............. ......... B-3 Table B-2. ISO 11519-2 Specification s for Characteristics of a CAN_H and CAN_L Pair of Wires....................... .[...]

  • Page 10

    © National Instruments Corporatio n xi PXI-846x and NI-CAN for Windows NT About This Manual This manual contains instructions to hel p you install and configure your PXI-8460 (low speed; one port or two port), PXI-8461 (hig h speed; one port or two port) or PXI-8462 (dual speed; port one hi gh-speed, port two low-speed) and the NI-CAN software for[...]

  • Page 11

    About This Man ual PXI-846x and NI-C AN for Windows N T xii ni.com Use the NI-CAN Programmer Reference Manual for specific information about each NI-CAN function and object, including format, parameters, and possible errors. Conventions The following con ventions appear in thi s manual: » The » symbol leads you through nested menu items and dial [...]

  • Page 12

    About This Manual © National Instruments Corporatio n xiii PXI-846x and NI-CAN for Windows NT Related Documentation The following documents contain infor mation that yo u may find helpful as you read this manual: • ANSI/ISO Standard 11898-1993, Road Vehi cles—Interchange of Digital Information—Co ntroller Area Network (CAN) for High-Speed Co[...]

  • Page 13

    © National Instruments Corporatio n 1-1 PXI-846x and NI-CAN for Windows NT 1 Introduction This chapter lists what you need to get started, provi des an overview of the PXI hardware and the NI-CAN software for Windows NT, and describes optional equipment you can order. What Y ou Need to Get Started Make sure you have all of the follow ing items bef[...]

  • Page 14

    Chapter 1 Introduction PXI-846x and NI- CAN for Windows N T 1-2 ni.com The PXI-8461 physical layer fully conforms to the ISO 1 1898 physical layer specification for CAN and is optically isolated to 500 V . The PXI-8460 physical layer conforms to th e ISO 11519-2 physical layer specification for CAN and is also optically isolated to 500 V . CAN inte[...]

  • Page 15

    Chapter 1 Introduction © National Instruments Corporatio n 1-3 PXI-846x and NI-CAN for Windows NT The NI-CAN software for W in dows NT supports the concurrent use of multiple CAN boards. For example, you can use two PXI-8461 boards in the same system at the same time. The NI-CAN software, along with the PXI hardware, transforms your computer into [...]

  • Page 16

    Chapter 1 Introduction PXI-846x and NI- CAN for Windows N T 1-4 ni.com Le veraging National Instruments patented graphical programming language G (otherwise known as LabVIEW), BridgeVIEW giv es you the ability to integrate functionality in a way that is not possible with tr aditional automation software. In addition to the programming advantages of[...]

  • Page 17

    © National Instruments Corporatio n 2-1 PXI-846x and NI-CAN for Windows NT 2 Installation and Configuration This chapter describes how to install and configure the NI-CAN software for Windows NT and the PXI-846 0, PXI-8461 or PXI-8462 hardware. Install the N I-CAN Software Install the NI-CA N software for W indows NT before you install your hardwa[...]

  • Page 18

    Chapter 2 Installation and Configuration PXI-846x and NI- CAN for Windows N T 2-2 ni.com 3. Double-click on the Add/Remove Progra ms icon in the Control P anel to launch the Add/Remove Programs applet. A dialog box similar to the one in Fi gure 2-1 app ears. Figure 2-1. Add/Remove Programs Properties Dialog Box Y ou can use this same applet to unin[...]

  • Page 19

    Chapter 2 Installation and Configuration © National Instruments Corporatio n 2-3 PXI-846x and NI-CAN for Windows NT Install the H ardware This section describes how to install y our PXI-8460, PXI-8461 or PXI-8462 hardware. Check the Configuration of Y our PXI-8460, PXI-8461 or PXI-8462 If you plan to use your CAN board in a system where bus power [...]

  • Page 20

    Chapter 2 Installation and Configuration PXI-846x and NI- CAN for Windows N T 2-4 ni.com Figure 2-2. Installing the PXI Hardware 7. Scre w the front panel o f the PXI b oard to the fron t panel mounting rail of the PXI or CompactPCI chassis. 8. Turn on your PXI or Comp actPCI chassis and start W indows NT. Connect the Cables After you hav e install[...]

  • Page 21

    Chapter 2 Installation and Configuration © National Instruments Corporatio n 2-5 PXI-846x and NI-CAN for Windows NT Configure the NI-CAN Software The NI-CAN Configur ation utility is locat ed in the Windows NT Contro l Panel. You can use it to examine or modify t he configuration of the NI-CAN software. The context-sensitive online help, available[...]

  • Page 22

    Chapter 2 Installation and Configuration PXI-846x and NI- CAN for Windows N T 2-6 ni.com T o view information about the NI-CAN software configuration for the PXI-8460, PXI-8461, or PXI-8462, cl ick on the Setti ngs b utton. Figure 2-4 shows the Settings dialog box. Figure 2-4. NI-CAN Hardware Settings Dialog Box Each port of the PXI-8460, PXI-8461 [...]

  • Page 23

    © National Instruments Corporatio n 3-1 PXI-846x and NI-CAN for Windows NT 3 V erify the Installation This chapter describes how to verify the hardware and software installation. Y ou can use the NI-CAN Diagnostic utility , installed with your NI-CA N software, to test the hardw are and software installation. The utility verif ies that your hardwa[...]

  • Page 24

    Chapter 3 Verify the Installation PXI-846x and NI- CAN for Windows N T 3-2 ni.com Y ou can get details about an y tested CAN interface b y selecting the interface and clicking on the Detail s b utton. For each f ailed CAN interface, select it and click on the Details button to get a description of the failure. Use that information and the informati[...]

  • Page 25

    © National Instruments Corporatio n 4-1 PXI-846x and NI-CAN for Windows NT 4 B e g i nt oU s et h e 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 tho se provided by many other device drivers. For example, NI-CAN h as[...]

  • Page 26

    Chapter 4 Begin to Use the NI-CAN Software PXI-846x and NI- CAN for Windows N T 4-2 ni.com General Programming Considerations As you begin develo ping your Win32 N I-CAN application, rem ember the following poin ts: • For your LabVIEW or BridgeVIEW application, you must use the NI-CAN LabVIEW functions in nican.llb . • For your C/C++ applic ati[...]

  • Page 27

    © National Instruments Corporatio n A- 1 PXI-846x and NI-CAN for Windows N T A Uninstalling the Hardware and Software This appendix describes how to uninstall the PXI-8461 or PXI-8460 hardware and the NI-CAN software from W indows NT . Uninstalling the Hardware from Windows NT Because W indows NT 3.51 and 4.0 do not maintain hardware information f[...]

  • Page 28

    Appendix A Uninstalling the Hardware and Software PXI-846x and NI-C AN for Windows NT A-2 ni.co m Complete the f ollo wing steps to remov e the NI-CAN softwar e from W indows NT 4.0: 1. Select the Add/Remove Programs icon under Start » Settings » Control Panel . A dialog box similar to the one in Fi gure A-1 appears. This dialog box lists the sof[...]

  • Page 29

    © National Instruments Corporatio n B- 1 PXI-846x and NI-CAN for Windows N T B 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 r equirements, as well as the requirements of the oth er CAN devices in the network. Connector Pinouts [...]

  • Page 30

    Appendix B Cab ling Requiremen ts for PXI-8460 Low- Speed CAN PXI-846x and NI-C AN for Windows NT B-2 ni.co m 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 po wer to the CAN physi cal layer if external po wer is requir[...]

  • Page 31

    Appendix B Cab ling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporatio n B- 3 PXI-846x and NI-CAN for Windows N T Connecting pins 2 and 3 of a jumper configures the CAN physical layer to be powered internally (from the card). In this conf iguration, the V – signal serves as the reference ground for the isolated sig nals. E[...]

  • Page 32

    Appendix B Cab ling Requiremen ts for PXI-8460 Low- Speed CAN PXI-846x and NI-C AN for Windows NT B-4 ni.co m Cable Specifications Cables should meet the physical m edium requirements specified in ISO 11519-2, shown in T able B-2. Belden cable (3084A) meets a ll of those requirements, and should be suitable for most applicat ions. Number of Devices[...]

  • Page 33

    Appendix B Cab ling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporatio n B- 5 PXI-846x and NI-CAN for Windows N T Low-Speed T ermination Every de vice on the lo w-speed CAN network requires a termination resistor for each CAN data line: R RT H fo r CAN_H and R RT L for CAN_L. Figure B-4 shows t ermination resistor placement [...]

  • Page 34

    Appendix B Cab ling Requiremen ts for PXI-8460 Low- Speed CAN PXI-846x and NI-C AN for Windows NT B-6 ni.co m Philips also recommends an individual de vice R TH a nd R TL terminati on of 500 Ω to 16 k Ω . T he PXI-8460 board ships with moun ted R TH an d R TL v a lues of 510 Ω ±5% per port. The PXI-8460 kit also includes a pair of 15 k Ω ?[...]

  • Page 35

    Appendix B Cab ling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporatio n B- 7 PXI-846x and NI-CAN for Windows N T Replacing the T ermination R esistors Follo w these s teps to replace the terminatio n resistors, after you hav e determined the correct value in the previous section, Determining the Necessary Termination Resist[...]

  • Page 36

    Appendix B Cab ling Requiremen ts for PXI-8460 Low- Speed CAN PXI-846x and NI-C AN for Windows NT B-8 ni.co m 3. Insert the replacement resistors into the empty sockets . 4. Refer to Install the Hardware , in Chapter 2, Insta llation and Configuration , to comp lete the hardware installation. Cabling Example Figure B-7 shows an e xample of a cable [...]

  • Page 37

    © National Instruments Corporatio n C- 1 PXI-846x and NI-CAN for Windows N T C Cabling Requirements for PXI-8461 High-Speed CAN This appendix describes the cabling requirements for the PXI-8461 hardware. Cables should be constructed to meet these requirements and the requirements of the other CAN or DeviceNet de vices in the network. Connector Pin[...]

  • Page 38

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN PXI-846x and NI-C AN for Windows NT C-2 ni.co m The 5-pin Combicon-style pluggable screw terminal follo ws the pinout required by the DeviceNet Specification . Figure C-2 shows the pinout for this connector . Figure C-2. Pinout for 5-Pin Combicon-Style Pluggable Screw T erminal CAN_H an[...]

  • Page 39

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN © National Instruments Corporatio n C- 3 PXI-846x and NI-CAN for Windows N T Figure C-3. PXI-8461 Part Locator Diagram Connecting pins 1 and 2 of a jumper configures the CAN physical layer to be powered e xternal ly (from the bus cable po wer). In this configuration, the power must be [...]

  • Page 40

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN PXI-846x and NI-C AN for Windows NT C-4 ni.co m Figure C-4 shows ho w to configure your jumpers for interna l or external power supplies. Figure C-4. Power Sour ce Jumpers The CAN physical layer is still isolat ed regardless of the po wer source chosen. Bus Power Supply Requirements If [...]

  • Page 41

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN © National Instruments Corporatio n C- 5 PXI-846x and NI-CAN for Windows N T Cable Specifications Cables should meet the physical m edium requirements specified in ISO 11898, shown in T able C-2 . Belden cable (3084A) meets a ll of those requirements and should be suitable for most app[...]

  • Page 42

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN PXI-846x and NI-C AN for Windows NT C-6 ni.co m Number of Devices The maximum number of de vices that you can connect to a CAN port depends on the electrical characteristics of the de vices on the network. If all of the devices meet the requirements of ISO 11898, at least 30 de vices ma[...]

  • Page 43

    Appendix C Cab ling Requiremen ts for PXI-8461 Hig h-Speed CAN © National Instruments Corporatio n C- 7 PXI-846x and NI-CAN for Windows N T Cabling Example Figure C-6 shows an example of a cable to connect two CAN de vi ces. For the internal po wer conf iguration, no V+ connection is required. Figure C-6. Cabling Example 9-Pin D-Sub 9-Pin D-Sub CA[...]

  • Page 44

    © National Instruments Corporatio n D-1 PXI-846x and NI-CAN for Windows NT D Cabling Requirements for PXI-8462 Dual-Speed CAN The appendix describes the cabling requirement s for the PXI-8462 hardware. Port Identification The PXI-8462 board provides a high-speed CAN port (port one), and a low-speed CAN port (port two). Port one of the PXI-8462 is [...]

  • Page 45

    © National Instruments Corporatio n E-1 PXI-846x and NI-CAN for Windows NT E R TSI Bus This appendix describ es the R TSI interface on your PXI-846 x series board. R TSI, PXI and CompactPCI Using PXI-compatible p roducts with st andard CompactPCI products is an important feature provided by the PXI Specification ,R e v i s i o n1 . 0 . If you use [...]

  • Page 46

    Appendix E RTSI Bus PXI-846x and NI- CAN for Windows N T E-2 ni.com Table E-1. Pins Used By the PXI-846 x Series Boards PXI Pin Name PXI J2 Pin Number PXI Star PXI T ri gger <0> PXI T ri gger <1> PXI T ri gger <2> PXI T ri gger <3> PXI T ri gger <4> PXI T ri gger <5> PXI T ri gger <7> D17 B16 A16 A17 A18 B1[...]

  • Page 47

    © National Instruments Corporatio n F-1 PXI-846x and NI-CAN for Windows NT F T roubleshooting 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 co nfiguration information for all of the CAN hardware[...]

  • Page 48

    Appendix F T roubleshooting and Common Questions PXI-846x and NI-C AN for Windows N T F-2 ni.com NI-CAN Software Problem Encountered This error occurs if the NI-CAN Diagnostic utility det ects that it is unabl e to communicate correctly wi th the hardware using the installed NI-CAN softwa re. If you g et this err or, shut do wn your computer , rest[...]

  • Page 49

    Appendix F T roubleshooting and Common Questions © National Instruments Corporatio n F-3 PXI-846x and NI-CAN for Windows NT How do I connect a CAN cable to my CAN port? Y ou will need to use an appropriate cable. For information about cabling requirements for National Instruments CAN hardware, refer to Appendix B, Cabling Requiremen ts for PXI-846[...]

  • Page 50

    © National Instruments Corporatio n G-1 PXI-846x and NI-CAN for Windows NT G Specifications This appendix describes the physical characteristics of the hardware and the recommend ed operating con ditions. PXI-8460 One Port and T wo Port Dimensions................... .............. ........... . PXI 3U Module 100 by 160 mm ( 3 . 9 4b y6 . 3 0i n . [...]

  • Page 51

    Appendix G Speci fications PXI-846x and NI- CAN for Windows N T G-2 ni.com Operating environment Component temperature ............ ......0 to 55 ° C Relative humidity .. .............. ............10% to 90%, noncondensing Storage environment Temperature......................... ........... . – 20 to 70 ° C Relative humidity .. .............. [...]

  • Page 52

    © National Instruments Corporatio n H-1 PXI-846x and NI-CAN for Windows NT H T echnical Support Resources W eb Support National Instruments W eb support is your first stop for help in solving installation, configuration, and application pro blems and questions. O nline problem-solving and diagnostic resources include f requently asked questions, k[...]

  • Page 53

    Appendix H T echnical Support Resources PXI-846x and NI- CAN for Windows N T H-2 ni.com W orldwide Support National Instruments has of fices located around the world to help address your support needs. Y ou can access our branch off ice W eb sites from the W o rldwide Of fices section of ni.com . Branch of fice W eb sites provide up-to-date contact[...]

  • Page 54

    © National Instruments Corporation Glossary-1 PXI-846x and NI-CAN for Windows NT Glossar y Pref ix Meaning V alue n- nano- 1 0 – 9 m- milli- 10 – 3 k- kilo- 10 3 M- mega- 10 6 ° degrees Ω ohms % percent A amperes ANSI American Nationa l Standards Institute bb i t s Bb y t e s CC e l s i u s CAN Controller Area Network CiA CAN in Automation [...]

  • Page 55

    Glossary PXI-846x and NI-CAN for Windows NT Glossary-2 ni.com ISO International Standards Org anization LED light-emitti ng diode m meters PC personal computer PCI peripheral component interconnect PCMCIA Personal Computer Memory Card International Associat ion PLC Programmable Logic Cont roller RAM random-access memory resource hardw are settings [...]

  • Page 56

    © National Instruments Corporatio n Index-1 PXI-846x and NI-CAN for Windows NT Index Numerics 9-Pin D-Sub connector high-speed C AN (figure), C-1 low-speed CAN (figure), B-1 B BridgeVIEW, 1-3, 4-2, F-3 bus power supply requireme nts high-s peed CAN (t able), C-4 low-speed CAN (table), B-3 C cable lengths high-s peed CAN (t able), C-5 cable specifi[...]

  • Page 57

    Index PXI-846x and NI- CAN for Windows N T Index-2 ni.com H hardware installing, 2-3 overview, 1-1 uninstalling from W indows NT, A-1 Hardware Problem Encount ered (error message), F-2 high-spe ed CAN bus power supply requireme nts (table), C-4 cable lengths (table) , C-5 cable specification (table), C-5 cable termination, C-6 cabling example (figu[...]

  • Page 58

    Index © National Instruments Corporatio n Index-3 PXI-846x and NI-CAN for Windows NT NI-CAN software Add/Remove Programs Pro perties Dialog Box, 2-2 configuration, 2-5 description of, 4-1 determining version of, F- 2 installing, 2-1 language interface, using, F-3 overview, 1-2 PXI-8461 that is working properly (figure), 2-5 uninstall program, F-3 [...]

  • Page 59

    Index PXI-846x and NI- CAN for Windows N T Index-4 ni.com connectors, 1-2 fault reporting capabilities, E-1 installation, 2-3 interrupts required, F-3 number of boards configured, F-2 number of devices, C-6 parts locator diagram (figure), C-3 physical layer, 1-2 pinout 5-Pin Combicon-styl e pluggable screw terminal (figure), C-2 pinout for 9-Pin D-[...]

  • Page 60

    Index © National Instruments Corporatio n Index-5 PXI-846x and NI-CAN for Windows NT troubleshooting, F-1 Hardware Problem Encountered (erro r message), F-2 Missing Board in the NI-CAN Configuration Utili ty (error message), F-1 NI-CAN Diagnostic uti lity failures, F-1 NI-CAN Software Problem Encountered (error message), F-2 troublshooting Missing[...]