Resumo do conteúdo contido na página número 1
DAQ
™
DAQCard -1200
User Manual
Multifunction I/O Card for
the PCMCIA Bus
DAQCard-1200 User Manual
October 1999 Edition
Part Number 320936B-01
Resumo do conteúdo contido na página número 2
Worldwide Technical Support and Product Information 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) 905 785 0085, Canada (Québec) 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 3
Resumo do conteúdo contido na página número 3
Important Information Warranty The DAQ-Card-1200 is warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective during the warranty period. This warranty includes parts and labor. The media on which you receive National Instruments software are warranted not to fail to execute programming instruction
Resumo do conteúdo contido na página número 4
Contents About This Manual Organization of This Manual.........................................................................................ix Conventions Used in This Manual.................................................................................x National Instruments Documentation ............................................................................xi Related Documentation..................................................................................................xii Cha
Resumo do conteúdo contido na página número 5
Contents Types of Signal Sources ................................................................... 3-6 Floating Signal Sources...................................................... 3-6 Ground-Referenced Signal Sources ................................... 3-6 Input Configurations......................................................................... 3-7 Differential Connection Considerations (DIFF Configuration) ...................................................... 3-7 Differential Connectio
Resumo do conteúdo contido na página número 6
Contents Analog Output................................................................................................................4-11 Analog Output Circuitry..................................................................................4-11 Power-On State................................................................................................4-12 DAC Timing....................................................................................................4-12 Digital I/O .........
Resumo do conteúdo contido na página número 7
Contents Figure 3-1. DAQCard-1200 I/O Connector Pin Assignments................................. 3-2 Figure 3-2. DAQCard-1200 Instrumentation Amplifier.......................................... 3-5 Figure 3-3. Differential Input Connections for Grounded Signal Sources.............. 3-9 Figure 3-4. Differential Input Connections for Floating Sources............................ 3-10 Figure 3-5. Single-Ended Input Connections for Floating Signal Sources ............. 3-12 Figure 3-6. Single-Ended I
Resumo do conteúdo contido na página número 8
About This Manual This manual describes the mechanical and electrical aspects of the DAQCard-1200 and contains information concerning its installation and operation. The DAQCard-1200 is a compact, low-cost, low-power analog input, analog output, digital, and timing I/O card for IBM PC/XT, PC AT, and compatible computers that are equipped with a Type II PC Card socket. Organization of This Manual The DAQCard-1200 User Manual is organized as follows: • Chapter 1, Introduction, describes the DA
Resumo do conteúdo contido na página número 9
About This Manual • The Glossary contains an alphabetical list and description of terms used in this manual, including abbreviations, acronyms, metric prefixes, mnemonics, and symbols. • The Index contains an alphabetical list of key terms and topics in this manual, including the page where you can find each one. Conventions Used in This Manual The following conventions are used in this manual: <> Angle brackets enclose the name of a key on the keyboard—for example, . Angle brackets c
Resumo do conteúdo contido na página número 10
About This Manual National Instruments Documentation The DAQCard-1200 User Manual is one piece of the documentation set for your data acquisition system. You could have any of several types of manuals, depending on the hardware and software in your system. Use the manuals you have as follows: • Getting Started with SCXI—If you are using SCXI, this is the first manual you should read. It gives an overview of the SCXI system and contains the most commonly needed information for the modules,
Resumo do conteúdo contido na página número 11
About This Manual Related Documentation The following documents contain information that you may find helpful as you read this manual: • Your NI-DAQ or LabVIEW software manuals for PC compatibles • Your computer operating manual, which explains how to insert cards into the PC Card slot • “Dither in Digital Audio” by John Vanderkooy and Stanley P. Lipshitz, Journal of the Audio Engineering Society, Vol. 35, No. 12, Dec. 1987 DAQCard-1200 User Manual xii © National Instruments Corporation
Resumo do conteúdo contido na página número 12
1 Introduction This chapter describes the DAQCard-1200; lists what you need to get started, the optional software, and optional equipment; and explains how to unpack the DAQCard-1200. About the DAQCard-1200 Thank you for your purchase of the National Instruments DAQCard-1200. The DAQCard-1200 is a low-cost, low-power analog input, analog output, digital I/O, and timing I/O card for PCs equipped with a Type II PC Card slot. The card contains a 12-bit, successive-approximation ADC with eight
Resumo do conteúdo contido na página número 13
Chapter 1 Introduction with the PC, is a versatile, cost-effective and portable platform for laboratory test, measurement, and control. The DAQCard-1200 is shipped with NI-DAQ, a National Instruments complete DAQ driver that handles every function listed on the data sheet for our DAQ hardware. Using NI-DAQ, you can start your application quickly and easily without having to program the card at the register level. Utilities shipped with NI-DAQ also can help you conserve additional power by
Resumo do conteúdo contido na página número 14
Chapter 1 Introduction LabVIEW and LabWindows/CVI Application Software LabVIEW and LabWindows/CVI are innovative program development software packages for data acquisition and control applications. LabVIEW uses graphical programming, whereas LabWindows/CVI enhances traditional programming languages. Both packages include extensive libraries for data acquisition, instrument control, data analysis, and graphical data presentation. LabVIEW features interactive graphics, a state-of-the-art user
Resumo do conteúdo contido na página número 15
Chapter 1 Introduction Conventional LabVIEW LabWindows/CVI Programming (PC, Macintosh, or (PC or Environment Sun SPARCstation) Sun SPARCstation) (PC, Macintosh, or Sun SPARCstation) NI-DAQ Driver Software Personal DAQ or Computer SCXI Hardware or Workstation Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware Register-Level Programming The final option for programming any National Instruments DAQ hardware is to write register-level software. Writ
Resumo do conteúdo contido na página número 16
Chapter 1 Introduction Optional Equipment You can use the following National Instruments products with your DAQCard-1200: • BNC-2081 • CB-50 or CB-50LP I/O connector block with a 0.5 or 1.0 m cable • ER-8, ER-16 electromechanical relays • PR50-50F or PR50-50M cables • SC-2042, SC-2043 strain gauge and RTD accessories • SCXI products For more information about optional equipment available from National Instruments, refer to your National Instruments catalog or call the office nearest you. Unpa
Resumo do conteúdo contido na página número 17
2 Installation and Configuration This chapter describes how to install and software configure the DAQCard-1200. Installation There are two basic steps to installing the DAQCard-1200. 1. You must have Card & Socket Services 2.0 (or a later version) on your computer. 2. Insert the DAQCard-1200 and attach the I/O cable. The DAQCard-1200 has two connectors—a 68-pin PCMCIA bus connector on one end and a 50-pin I/O connector on the other end. Insert the PCMCIA bus connector into any available Typ
Resumo do conteúdo contido na página número 18
Chapter 2 Installation and Configuration Figure 2-1 shows an example of a typical configuration. Portable Computer PCMCIA Socket I/O Cable CB-50 I/O Signals Figure 2-1. A Typical Configuration for the DAQCard-1200 Configuration The DAQCard-1200 is completely software configurable; refer to your software manuals to install and configure your software. If you are using NI-DAQ, refer to your NI-DAQ user manual or function reference manual. The software installation and configuration instruction
Resumo do conteúdo contido na página número 19
Chapter 2 Installation and Configuration If you are using LabWindows/CVI, the software installation instructions are in Part 1, Introduction to LabWindows/CVI, of the Getting Started with LabWindows/CVI manual. After you have installed LabWindows/CVI, refer to Chapter 1, Configuring LabWindows/CVI, of the LabWindows/CVI User Manual for software configuration instructions. Then follow DAQ configuration instructions in your NI-DAQ user manual. Analog Input Configuration At startup, the DAQCar
Resumo do conteúdo contido na página número 20
Chapter 2 Installation and Configuration Analog Input Mode The DAQCard-1200 has three different input modes—referenced single-ended (RSE), non-referenced single-ended (NRSE), and differential (DIFF). Single-ended configuration provides eight input channels. DIFF configuration provides four input channels. Table 2-2 describes these configurations. Table 2-2. Analog Input Modes for the DAQCard-1200 Analog Input Modes Description RSE Referenced single-ended mode provides eight single-ended in
