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National Instruments PXI-8461 manual

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  • Page 1

    CAN Getting Started with Your PXI-8461 or PXI-8460 and the NI-CAN ™ Software for Windows 98/95 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 September 1999 Edition Part Number 3220 05B-01[...]

  • Page 2

    Worldwide Technical Support and Product Info rmation www.natinst.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 011 284 5011, Canada (Calgary) 403 274 9391, Canada (Ontario) 905[...]

  • Page 3

    Important Information Warranty The PXI hardware is warranted against defects in materi als and workmanship for a peri od of one year from the date of shipment, as evidenced by receipts or other documentat ion. National Instruments will, at its opt ion, repair or replace equipment that pro ves to be defective during th e warranty p erio d. This warr[...]

  • Page 4

    Compliance FCC/DOC Radio Frequency Interference Class A Compliance This equipment generates and uses radio frequency energy and, if not installed and used in strict accorda nce with the instructions in this manual, may cause interference to radio and television reception. Classification requirements are the same for the Federal Communications Commi[...]

  • Page 5

    © National Instruments Corporation v PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Contents About This Manual How To Use the Manual Set ............ .......................... ......................... ........... ............ .... ix Conventions ............ ......................... .......................... ........... ........... ........[...]

  • Page 6

    Contents PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 vi www.natinst.com Appendix B Cabling Requirements for PXI-8461 High-Speed CAN Connector Pinouts .......................... ......................... ......................... .......................... ... B-1 Power Supply Information for the High-Speed CAN Ports ............. ............[...]

  • Page 7

    Contents © National Instruments Corporation vii PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Appendix F Technical Support Resources Glossary Figures Figure 2-1. Add/Remove Programs Properties Dialog Box............. ........................ 2-1 Figure 2-2. Installing the PXI Hardware ................ ............... .............. ...........[...]

  • Page 8

    Contents PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 viii www.natinst.com Table C-1. Power Requirements for the Low-Speed CAN Physical Layer for Bus-Powered Versions ....................... ........... ........... ............... .............. C-3 Table C-2. ISO 11519-2 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires ..[...]

  • Page 9

    © National Instruments Corporation ix P XI-8461 or PXI-8460 and NI-CAN for Windows 98/95 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 p ort or two port) and the NI-CAN software for Windo ws 98/95. This manual uses PXI-846 1 or PXI-8460 to refer to both [...]

  • Page 10

    About This Manual PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 x www.natinst.com Use the NI-CAN Programmer Refere nce Manual for specif ic information about each NI-CAN function and object, including format, parameters, and possible errors. Conventions The follo wing con ventions appear in this manual: » The » symbol leads you throu gh neste[...]

  • Page 11

    About This Manu al © National Instruments Corporation xi P XI-8461 or PXI-8460 and NI-CAN for Windows 98/95 • CiA Draft Standard 102, V ersion 2.0, CAN Physical Layer for Industrial Applications • CompactPCI Specification , Revision 2.0, PCI Industrial Computers Manufacturer’ s Group. • DeviceNet Specification, Version 2.0 , Open DeviceNet[...]

  • Page 12

    © National Instruments Corporation 1-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 1 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 Y ou Need to Get Started Make sure you have all of the foll[...]

  • Page 13

    Chapter 1 Introduction PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 1-2 www .natinst.com PXI-8460 physical layer conforms to the ISO 1 1519-2 physical lay er 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 w ide variety of transfe[...]

  • Page 14

    Chapter 1 Introduction © National Instruments Corporation 1-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 • Configuration utility • Language interface libraries for Microsoft V isual C/C++ 2.0 or later , LabW indows/CVI 4.0 or later , and LabVIEW 4.0 or later • Example programs that use NI-CAN functions Optional Programming T ools Your[...]

  • Page 15

    © National Instruments Corporation 2-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 2 Installation and Configuration This chapter describes how to install and configure the NI-CAN so ftware for Windows 98/95 and the PXI-8461 or PXI-8460 hardware. Install the NI-CAN Software Install the NI-CAN so ftware before you install your ha rdw are. 1. S[...]

  • Page 16

    Chapter 2 Installation and Configuration PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 2-2 www .natinst.com Y ou can use this same applet to uninstall the NI-CAN software at a later time. Refer to Appendix A, Uninstalling the Hard ware and Software , for more information. 3. Click on the Install button. 4. When prompted, insert the NI-CAN Softw[...]

  • Page 17

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 4. T ouch a metal part on your chassis to discharge an y static electricity that might be on your clothes or body . 5. Insert the PXI board into the selected 5 V slot. Use the injector/ejector handle to fully inject the[...]

  • Page 18

    Chapter 2 Installation and Configuration PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 2-4 www .natinst.com If the New Hardware Found dialog box does not appear when you restart W indows, refer to the section Device Manager Pro blem s in Appendix D, Troubleshooting and Common Questions . Connect the Cables After you have installed your board, c[...]

  • Page 19

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-5 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Figure 2-4. Device Manager Shows PXI-8461 That Is Not Working Properly T o configure a particula r interface, double-click on that interf ace in the list of installed interfaces belo w National Instruments CAN Interface[...]

  • Page 20

    Chapter 2 Installation and Configuration PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 2-6 www .natinst.com Each port of the PXI-8461 or PXI-8460 is configured from the same tab . Use the drop-do wn box nearest the top of the tab to select the physical port number to configure. F or each port, use the Name drop-down box to select the name for t[...]

  • Page 21

    © National Instruments Corporation 3-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 3 V erify the Installation This chapter describes how to verify the hardware and software installation. Y ou can use the NI-CAN Diagnostic uti lity , installed with you r NI-CAN software, to test the hardware and software installati on. The utility verifies th[...]

  • Page 22

    Chapter 3 Verify the Installation PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 3-2 www .natinst.com and Common Questions , to troubleshoot the problem. T roubleshooting information is also av ailable in the online help for the NI-CAN Diagnostic utility , which you can access by clicking on the Help button.[...]

  • Page 23

    © National Instruments Corporation 4-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 4 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, N[...]

  • Page 24

    Chapter 4 Begin to Use the NI-CAN Software PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 4-2 www .natinst.com General Programming Considerations As you begin develo ping your Win32 N I-CAN application, rememb er the following p oints: • For your LabVIEW or BridgeVIEW application, you must use the NI-CAN LabVIEW functions in nican.llb . • Fo[...]

  • Page 25

    © National Instruments Corporation A-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 A Uninstalling the Hardware and Software This appendix describes ho w to uninstall the PXI hardware and the NI-CAN software from W indo ws 98/95. Uninstalling the Hardware from Windows 98/95 Before physically removing the board from the computer , you must rem[...]

  • Page 26

    Appendix A Uninstalling the Hardware and Software PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 A-2 www .natinst.com Figure A-1. Selecting an Interface to Remove from Windows 98/95 After you remov e the appropriate hardware information from the De vice Manager , you should shu t down W indows, po wer off your PXI or CompactPCI chassis, remo ve [...]

  • Page 27

    Appendix A Uninstalling the Hardware and Softwa re © National Instruments Corporation A-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 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 pre vious section. Comple[...]

  • Page 28

    Appendix A Uninstalling the Hardware and Software PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 A-4 www .natinst.com The uninstall program removes o nly 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 [...]

  • Page 29

    © National Instruments Corporation B-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 B 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 De viceNet devices in the network. Connector [...]

  • Page 30

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 B-2 www .natinst.com The 5-pin Combicon-style pluggable scre w terminal follows the pinout required by the DeviceNet Specification . Figure B-2 shows the pinout for this connector . Figure B-2. Pinout for 5-Pin Combicon-Style Pluggable Scr[...]

  • Page 31

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN © National Instruments Corporation B-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Figure B-3. PXI-8461 Parts Locator Diagram Connecting pins 1 and 2 of a jumper configures the CAN physical layer to be powered e xternally (from the bus cable power). In this conf iguration, the powe[...]

  • Page 32

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 B-4 www .natinst.com Figure B-4 shows ho w to configure your jumpers for intern al or external power supplies. Figure B-4. Power Sour ce Jumpers The CAN physical layer is still isolated re gardless of the power source chosen. Bus Power Sup[...]

  • Page 33

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN © National Instruments Corporation B-5 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Cable Specifications Cables should meet the physical medium requirements specif ied in ISO 11898, shown in T able B-2. Belden cable (3084A) meets all of those requirements, and should be suitable for[...]

  • Page 34

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 B-6 www .natinst.com 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[...]

  • Page 35

    Appendix B Cabling Requirements for PXI-8461 High-S peed CAN © National Instruments Corporation B-7 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Cabling Example Figure B -6 shows an e x ample of a cable to connect two CAN de vices. For the internal power configuration, no V+ connection is required. Figure B-6. Cabling Example 9-Pin D-Sub 9-Pi[...]

  • Page 36

    © National Instruments Corporation C-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 C 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. Connecto[...]

  • Page 37

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CA N PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 C-2 www .natinst.com 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 externa[...]

  • Page 38

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporation C-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Connecting pins 1 and 2 of a jumper configures the CAN physical layer to be powered e xternally (from the bus cable power). In this conf iguration, the power must be supplied on the V+ and V– pins on[...]

  • Page 39

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CA N PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 C-4 www .natinst.com Cable Specifications Cables should meet the physical medium requirements specif ied in ISO 11519-2, sho wn in T able C-2. Belden cable (3084A) meets all of those requirements, and should be suitable for most application[...]

  • Page 40

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporation C-5 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Low-Speed T ermination Every de vice on the low-speed CAN netw ork requires a termination resistor for each CAN data line: R RT H for CAN_H and R RT L for CAN_L. Figure C -4 shows termination resistor [...]

  • Page 41

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CA N PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 C-6 www .natinst.com v alues o f 510 Ω ±5% per port. Th e PXI-8460 kit also inclu des a pair of 15 k Ω ±5% resistors for each port. After determining the termination of your existing netw ork or de vice, you can use the following form[...]

  • Page 42

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CAN © National Instruments Corporation C-7 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Figure C-5. Location of T ermination Resistors on a PXI-8460 2. Cut and bend the lead wires of the resistors you want to install. Refer to Figure C-6. Figure C-6. Preparing Lead Wires of Replacement Re[...]

  • Page 43

    Appendix C Cabling Requirements for PXI-8460 Low-Speed CA N PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 C-8 www .natinst.com Cabling Example Figure C -7 shows an e x ample of a cable to connect two lo w-speed CAN de vices. For the internal po wer configuration, the V+ connection is required for the lo w-speed transcei ver to operate as specif[...]

  • Page 44

    © National Instruments Corporation D-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 D T roubleshooting and Common Questions This appendix describes ho w to troubleshoot problems and answers some common questions. Device Manager Problems The W indows De vice Manager contains configuration information for all of the hardware in your system. T o[...]

  • Page 45

    Appendix D T roubleshooting and Common Questions PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 D-2 www .natinst. com T o fix the problem, complete the follo wing steps: 1. Select Start»Settings»Con trol Panel . 2. Double-cl i ck on the System icon to display the System Properties dialog box for the computer . 3. Click on the Device Manager ta[...]

  • Page 46

    Appendix D T roubleshooting and Common Questions © National Instruments Corporation D-3 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Problem Shown in Device Manager If a PXI-8461or PXI-8640 is not working properly , its icon has a circled X or exclamation mark (!) o verlaid on it, as shown in Figure D-1. Figure D-1. Device Manager Shows PXI-8[...]

  • Page 47

    Appendix D T roubleshooting and Common Questions PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 D-4 www .natinst. com Code 12: Y our interface w as not assigned a physical memory range. If your computer does not ha ve 8 KB of av ailable memo r y , W indows might configure your interface without a ph ysical memory assignment. The NI-CAN software [...]

  • Page 48

    Appendix D T roubleshooting and Common Questions © National Instruments Corporation D-5 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Diagnostic Utility Failures The following sections explain common error messages generated by the NI-CAN Diagnostic utility . Memor y Resource Conflict This error occurs if the memory resources assigned to a boa[...]

  • Page 49

    Appendix D T roubleshooting and Common Questions PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 D-6 www .natinst. com Missing Board in Diagnostic Utility If a board is physically installed in your sy stem, but is not listed in the NI-CAN Diagnostic utility , check the W indows De vice Manager to see if W indo ws has detected the board. For more [...]

  • Page 50

    Appendix D T roubleshooting and Common Questions © National Instruments Corporation D-7 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 What do I do if my board is listed in the Windo ws Device Manager with a circled X or exclamation point (!) overlaid on it? Refer to the Problem S hown in Device Manager sectio n of this appendix for specific in[...]

  • Page 51

    © National Instruments Corporation E-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 E Specifications This appendix describes the physical characteristics of the hardw are and the recommended op erating cond i tions. PXI-8461 One Port and T wo Port Dimensions................... ......................... . PXI 3U Module 100 by 160 mm (3.94 by 6[...]

  • Page 52

    Appendix E Specifications PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 E-2 www .natinst.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 53

    © National Instruments Corporation F-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 F T echnical Support Resources This appendix describes the comprehensiv e resources av ailab le to yo u in the T echnical Sup port section of the National Instruments W eb site and provides technical support telephone numbers for you to use if you hav e troubl[...]

  • Page 54

    Appendix F T echnical Support Resources PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 F-2 www .natinst.com Software-Related Resources • Instrument Driver Network —A library with hundreds of instrument dri v ers for contro l of standalone instruments via GPIB, VXI, or serial interfaces. Y ou also can submit a request for a particular instrum[...]

  • Page 55

    © National Instruments Corporation G-1 PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 Glossar y Pref ix Meaning V alue n- nano - 10 –9 m- milli- 10 –3 k- kilo- 10 3 M- mega- 10 6 ° degrees Ω ohms % percent A amperes A C alternating current ANSI American National Standards Institute A T -compatible compatible with the 16-bit Industry Stan[...]

  • Page 56

    Glossary PXI-8461 or PXI-8460 and NI-CAN for Windows 98/95 G-2 www .natinst. com HMI Human Machine Interface Hz hertz IEEE Institute of Electrical and Electronic Engineers in. inches I/O input/output IRQ interrupt request ISA Industry Standard Architecture ISO International Standards Organization m meters PC personal computer PCI peripheral compone[...]