AT-MIO/AI E Series User Manual Multifunction I/O Boards for the PC AT May 1996 Edition Part Number 320517E-01 (cid:211) Copyright 1994, 1996 National Instruments Corporation. All Rights Reserved. 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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. 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Table of Contents About This Manual Organization of This Manual ........................................................................................xi Conventions Used in This Manual ................................................................................xii National Instruments Documentation ...........................................................................xiii Related Documentation .................................................................................................xiv Customer Communication ............................................................................................xiv Chapter 1 Introduction About the AT E Series ..................................................................................................1-1 What You Need to Get Started ......................................................................................1-2 Software Programming Choices ...................................................................................1-3 LabVIEW and LabWindows/CVI Application Software ...............................1-3 NI-DAQ Driver Software ...............................................................................1-3 Register-Level Programming ..........................................................................1-5 Optional Equipment ......................................................................................................1-5 Custom Cabling .............................................................................................................1-6 Unpacking .....................................................................................................................1-7 Chapter 2 Installation and Configuration Software Installation .....................................................................................................2-1 Hardware Installation ....................................................................................................2-1 Board Configuration ......................................................................................................2-2 Bus Interface ...................................................................................................2-2 Plug and Play ....................................................................................2-3 Switchless Data Acquisition .............................................................2-3 Base I/O Address Selection ..............................................................2-3 DMA Channel Selection ..................................................................2-3 Interrupt Channel Selection ..............................................................2-4 (cid:211) National Instruments Corporation v AT-MIO/AI E Series User Manual Table of Contents Chapter 3 Hardware Overview Analog Input .................................................................................................................3-6 Input Mode .....................................................................................................3-6 Input Polarity and Input Range ......................................................................3-7 Considerations for Selecting Input Ranges ......................................3-10 Dither ..............................................................................................................3-11 Multiple-Channel Scanning Considerations ..................................................3-12 Analog Output ..............................................................................................................3-14 Analog Output Reference Selection ...............................................................3-14 Analog Output Polarity Selection ..................................................................3-14 Analog Output Reglitch Selection .................................................................3-15 Analog Trigger .............................................................................................................3-15 Digital I/O .....................................................................................................................3-19 Timing Signal Routing .................................................................................................3-19 Programmable Function Inputs ......................................................................3-20 Board and RTSI Clocks .................................................................................3-21 RTSI Triggers .................................................................................................3-21 Chapter 4 Signal Connections I/O Connector ...............................................................................................................4-1 I/O Connector Signal Descriptions ................................................................4-5 Analog Input Signal Connections .................................................................................4-16 Types of Signal Sources ...............................................................................................4-18 Floating Signal Sources ..................................................................................4-18 Ground-Referenced Signal Sources ...............................................................4-18 Input Configurations .....................................................................................................4-18 Differential Connection Considerations (DIFF Input Configuration) ...........4-20 Differential Connections for Ground-Referenced Signal Sources ................................................................................4-21 Differential Connections for Nonreferenced or Floating Signal Sources ................................................................................4-22 Single-Ended Connection Considerations ......................................................4-24 Single-Ended Connections for Floating Signal Sources (RSE Configuration) ......................................................................4-25 Single-Ended Connections for Grounded Signal Sources (NRSE Configuration) ...................................................................4-25 Common-Mode Signal Rejection Considerations ..........................................4-26 Analog Output Signal Connections ..............................................................................4-27 Digital I/O Signal Connections ....................................................................................4-28 AT-MIO/AI E Series User Manual vi (cid:211) National Instruments Corporation Table of Contents Power Connections ........................................................................................................4-30 Timing Connections ......................................................................................................4-30 Programmable Function Input Connections ...................................................4-31 Data Acquisition Timing Connections ...........................................................4-32 SCANCLK Signal ............................................................................4-33 EXTSTROBE* Signal ......................................................................4-33 TRIG1 Signal ...................................................................................4-34 TRIG2 Signal ...................................................................................4-36 STARTSCAN Signal .......................................................................4-37 CONVERT* Signal ..........................................................................4-39 AIGATE Signal ................................................................................4-41 SISOURCE Signal ...........................................................................4-41 Waveform Generation Timing Connections ...................................................4-42 WFTRIG Signal ...............................................................................4-42 UPDATE* Signal .............................................................................4-43 UISOURCE Signal ...........................................................................4-45 General-Purpose Timing Signal Connections ................................................4-46 GPCTR0_SOURCE Signal ..............................................................4-46 GPCTR0_GATE Signal ...................................................................4-47 GPCTR0_OUT Signal ......................................................................4-47 GPCTR0_UP_DOWN Signal ..........................................................4-48 GPCTR1_SOURCE Signal ..............................................................4-48 GPCTR1_GATE Signal ...................................................................4-49 GPCTR1_OUT Signal ......................................................................4-50 GPCTR1_UP_DOWN Signal ..........................................................4-51 FREQ_OUT Signal ..........................................................................4-52 Timing Specifications for Digital I/O Ports A, B, and C ................................4-53 Mode 1 Input Timing .......................................................................4-55 Mode 1 Output Timing .....................................................................4-56 Mode 2 Bidirectional Timing ...........................................................4-57 Field Wiring Considerations .........................................................................................4-58 Chapter 5 Calibration Loading Calibration Constants ......................................................................................5-1 Self-Calibration .............................................................................................................5-2 External Calibration ......................................................................................................5-2 Other Considerations .....................................................................................................5-3 (cid:211) National Instruments Corporation vii AT-MIO/AI E Series User Manual Table of Contents Appendix A Specifications AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3 ................................................A-1 AT-MIO-16E-10 and AT-MIO-16DE-10 ....................................................................A-11 AT-MIO-16XE-10 and AT-AI-16XE-10 .....................................................................A-19 AT-MIO-16XE-50 ........................................................................................................A-26 Appendix B Optional Cable Connector Descriptions Appendix C Common Questions Appendix D Customer Communication Glossary Index Figures Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware ...............................................................1-4 Figure 3-1. AT-MIO-16E-1 and AT-MIO-16E-2 Block Diagram .............................3-1 Figure 3-2. AT-MIO-64E-3 Block Diagram ..............................................................3-2 Figure 3-3. AT-MIO-16E-10 and AT-MIO-16DE-10 Block Diagram ......................3-3 Figure 3-4. AT-MIO-16XE-10 Block Diagram .........................................................3-4 Figure 3-5. AT-AI-16XE-10 Block Diagram .............................................................3-5 Figure 3-6. AT-MIO-16XE-50 Block Diagram .........................................................3-6 Figure 3-7. Dither .......................................................................................................3-12 Figure 3-8. Analog Trigger Block Diagram ...............................................................3-16 Figure 3-9. Below-Low-Level Analog Triggering Mode ..........................................3-17 Figure 3-10. Above-High-Level Analog Triggering Mode .........................................3-17 Figure 3-11. Inside-Region Analog Triggering Mode .................................................3-17 Figure 3-12. High-Hysteresis Analog Triggering Mode ..............................................3-18 Figure 3-13. Low-Hysteresis Analog Triggering Mode ..............................................3-18 Figure 3-14. CONVERT* Signal Routing ...................................................................3-20 Figure 3-15. RTSI Bus Signal Connection ..................................................................3-22 AT-MIO/AI E Series User Manual viii (cid:211) National Instruments Corporation Table of Contents Figure 4-1. I/O Connector Pin Assignment for the AT-MIO-16E-1, AT-MIO-16E-2, AT-MIO-16E-10, AT-MIO-16XE-10, AT-AI-16XE-10, and AT-MIO-16XE-50 ..............................................4-2 Figure 4-2. I/O Connector Pin Assignment for the AT-MIO-64E-3 ..........................4-3 Figure 4-3. I/O Connector Pin Assignment for the AT-MIO-16DE-10 .....................4-4 Figure 4-4. AT E Series PGIA ....................................................................................4-17 Figure 4-5. Summary of Analog Input Connections ..................................................4-19 Figure 4-6. Differential Input Connections for Ground-Referenced Signals .............4-21 Figure 4-7. Differential Input Connections for Nonreferenced Signals .....................4-22 Figure 4-8. Single-Ended Input Connections for Nonreferenced or Floating Signals ......................................................................................4-25 Figure 4-9. Single-Ended Input Connections for Ground-Referenced Signal ............4-26 Figure 4-10. Analog Output Connections .....................................................................4-28 Figure 4-11. Digital I/O Connections ...........................................................................4-29 Figure 4-12. Timing I/O Connections ..........................................................................4-31 Figure 4-13. Typical Posttriggered Acquisition ...........................................................4-32 Figure 4-14. Typical Pretriggered Acquisition .............................................................4-33 Figure 4-15. SCANCLK Signal Timing .......................................................................4-33 Figure 4-16. EXTSTROBE* Signal Timing ................................................................4-34 Figure 4-17. TRIG1 Input Signal Timing .....................................................................4-35 Figure 4-18. TRIG1 Output Signal Timing ..................................................................4-35 Figure 4-19. TRIG2 Input Signal Timing .....................................................................4-36 Figure 4-20. TRIG2 Output Signal Timing ..................................................................4-37 Figure 4-21. STARTSCAN Input Signal Timing .........................................................4-38 Figure 4-22. STARTSCAN Output Signal Timing ......................................................4-38 Figure 4-23. CONVERT* Input Signal Timing ...........................................................4-40 Figure 4-24. CONVERT* Output Signal Timing .........................................................4-40 Figure 4-25. SISOURCE Signal Timing ......................................................................4-42 Figure 4-26. WFTRIG Input Signal Timing .................................................................4-43 Figure 4-27. WFTRIG Output Signal Timing ..............................................................4-43 Figure 4-28. UPDATE* Input Signal Timing ..............................................................4-44 Figure 4-29. UPDATE* Output Signal Timing ............................................................4-44 Figure 4-30. UISOURCE Signal Timing ......................................................................4-45 Figure 4-31. GPCTR0_SOURCE Signal Timing .........................................................4-46 Figure 4-32. GPCTR0_GATE Signal Timing in Edge-Detection Mode .....................4-47 Figure 4-33. GPCTR0_OUT Signal Timing ................................................................4-48 Figure 4-34. GPCTR1_SOURCE Signal Timing .........................................................4-49 Figure 4-35. GPCTR1_GATE Signal Timing in Edge-Detection Mode .....................4-50 Figure 4-36. GPCTR1_OUT Signal Timing ................................................................4-50 Figure 4-37. GPCTR Timing Summary .......................................................................4-51 Figure 4-38. Mode 1 Input Timing ...............................................................................4-55 Figure 4-39. Mode 1 Output Timing ............................................................................4-56 Figure 4-40. Mode 2 Bidirectional Timing ...................................................................4-57 (cid:211) National Instruments Corporation ix AT-MIO/AI E Series User Manual Table of Contents Figure B-1. 68-Pin MIO Connector Pin Assignments ................................................B-2 Figure B-2. 68-Pin DIO Connector Pin Assignments ................................................B-3 Figure B-3. 68-Pin Extended Analog Input Connector Pin Assignments ..................B-4 Figure B-4. 50-Pin MIO Connector Pin Assignments ................................................B-5 Figure B-5. 50-Pin DIO Connector Pin Assignments ................................................B-6 Figure B-6. 50-Pin Extended Analog Input Connector Pin Assignments ..................B-7 Tables Table 2-1. PC AT I/O Address Map .........................................................................2-4 Table 2-2. PC AT Interrupt Assignment Map ..........................................................2-6 Table 2-3. PC AT 16-bit DMA Channel Assignment Map ......................................2-7 Table 3-1. Available Input Configurations for the AT E Series ...............................3-7 Table 3-2. Actual Range and Measurement Precision ..............................................3-8 Table 3-3. Actual Range and Measurement Precision, AT-MIO-16XE-10, AT-AI-16XE-10, and AT-MIO-16XE-50 .............................................3-10 Table 4-1. I/O Signal Summary, AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3 .....................................................................................4-8 Table 4-2. I/O Signal Summary, AT-MIO-16E-10 and AT-MIO-16DE-10 ............4-10 Table 4-3. I/O Signal Summary, AT-MIO-16XE-10 and AT-AI-16XE-10 .............4-12 Table 4-4. I/O Signal Summary, AT-MIO-16XE-50 ...............................................4-14 Table 4-5. Port C Signal Assignments ......................................................................4-53 AT-MIO/AI E Series User Manual x (cid:211) National Instruments Corporation AAbboouutt TThhiiss MMaannuuaall This manual describes the electrical and mechanical aspects of each board in the AT E Series product line and contains information concerning their operation and programming. Unless otherwise noted, text applies to all boards in the AT E Series. The AT E Series includes the following boards: • AT-MIO-16E-1 • AT-MIO-16E-2 • AT-MIO-64E-3 • AT-MIO-16E-10 • AT-MIO-16DE-10 • AT-MIO-16XE-10 • AT-AI-16XE-10 • AT-MIO-16XE-50 The AT E Series boards are high-performance multifunction analog, digital, and timing I/O boards for the PC AT series computers. Supported functions include analog input, analog output, digital I/O, and timing I/O. Organization of This Manual The AT-MIO/AI E Series User Manual is organized as follows: • Chapter 1, Introduction, describes the AT E Series boards, lists what you need to get started, describes the optional software and optional equipment, and explains how to unpack your AT E Series board. • Chapter 2, Installation and Configuration, explains how to install and configure your AT E Series board. • Chapter 3, Hardware Overview, presents an overview of the hardware functions on your AT E Series board. (cid:211) National Instruments Corporation xi AT-MIO/AI E Series User Manual