Resumo do conteúdo contido na página número 1
DAQ
PCI-1200 User Manual
Multifunctional I/O Board for PCI Bus Computers
PCI-1200 User Manual
July 1998 Edition
Part Number 320942C-01
Resumo do conteúdo contido na página número 2
Internet Support E-mail: support@natinst.com FTP Site: ftp.natinst.com Web Address: http://www.natinst.com Bulletin Board Support BBS United States: 512 794 5422 BBS United Kingdom: 01635 551422 BBS France: 01 48 65 15 59 Fax-on-Demand Support 512 418 1111 Telephone Support (USA) Tel: 512 795 8248 Fax: 512 794 5678 International Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 288 3336, Canada (Ontario) 905 785 0085, Canada (Québec) 514 694 8521, Denmark
Resumo do conteúdo contido na página número 3
Important Information Warranty The PCI-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 instructions, d
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 Cus
Resumo do conteúdo contido na página número 5
Contents Types of Signal Sources ................................................................... 3-7 Floating Signal Sources...................................................... 3-7 Ground-Referenced Signal Sources ................................... 3-7 Input Configurations......................................................................... 3-7 Differential Connection Considerations (DIFF Configuration) ...................................................... 3-9 Differential Connectio
Resumo do conteúdo contido na página número 6
Contents Analog Output Circuitry..................................................................................4-11 DAC Timing....................................................................................................4-12 Digital I/O ......................................................................................................................4-12 Chapter 5 Calibration Calibration at Higher Gains .................................................................................
Resumo do conteúdo contido na página número 7
Contents Figure 3-16. General Purpose Timing Signals .......................................................... 3-26 Figure 3-17. Mode 1 Timing Specifications for Input Transfers............................... 3-28 Figure 3-18. Mode 1 Timing Specifications for Output Transfers............................ 3-29 Figure 3-19. Mode 2 Timing Specifications for Bidirectional Transfers .................. 3-30 Figure 4-1. PCI-1200 Block Diagram ............................................................
Resumo do conteúdo contido na página número 8
About This Manual This manual describes the electrical and mechanical aspects of the PCI-1200 and contains information concerning its operation and programming. The PCI-1200 is a low-cost multifunction analog, digital, and timing board. The PCI-1200 is a member of the National Instruments PCI Series of expansion boards for PCI bus computers. These boards are designed for high-performance data acquisition (DAQ) and control for applications in laboratory testing, production testing, and ind
Resumo do conteúdo contido na página número 9
About This Manual 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 containing numbers separated by an ellipsis represent a range of values associated with a bit or signal name—for example, DBIO<3..0>. This icon to the left of bold italicized text denotes a note, which alerts you to important information. This icon to the left of bold italicized text denotes a cau
Resumo do conteúdo contido na página número 10
About This Manual National Instruments Documentation The PCI-1200 User Manual is one piece of the documentation set for your DAQ 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, chassis, and soft
Resumo do conteúdo contido na página número 11
About This Manual Related Documentation The following National Instruments document contains information that you may find helpful as you read this manual: Application Note 025, Field Wiring and Noise Considerations for Analog Signals The following documents also contain information that you may find helpful as you read this manual: “Dither in Digital Audio,” by John Vanderkooy and Stanley P. Lipshitz, Journal of the Audio Engineering Society, Vol. 35, No. 12, December 1987. PCI Local
Resumo do conteúdo contido na página número 12
1 Introduction This chapter describes the PCI-1200, lists what you need to get started, software programming choices, and optional equipment, and explains how to build custom cables and unpack the PCI-1200. About the PCI-1200 Thank you for purchasing the PCI-1200, a low-cost, high-performance multifunction analog, digital, and timing board for PCI bus computers. The PCI-1200 has eight analog input channels that you can configure as eight single-ended or four differential inputs; a 12-bit su
Resumo do conteúdo contido na página número 13
Chapter 1 Introduction – NI-DAQ for Macintosh – NI-DAQ for PC compatibles – VirtualBench ❑ Your computer Unpacking Your PCI-1200 is shipped in an antistatic package to prevent electrostatic damage to the board. Electrostatic discharge can damage several components on the board. To avoid such damage in handling the board, take the following precautions: Ground yourself via a grounding strap or by holding a grounded object. Touch the antistatic package to a metal part of your computer chass
Resumo do conteúdo contido na página número 14
Chapter 1 Introduction LabVIEW. The LabVIEW Data Acquisition VI Library is functionally equivalent to the NI-DAQ software. LabWindows/CVI features interactive graphics, a state-of-the-art user interface, and uses the ANSI standard C programming language. The LabWindows/CVI Data Acquisition Library, a series of functions for using LabWindows/CVI with National Instruments DAQ hardware, is included with the NI-DAQ software kit. The LabWindows/CVI Data Acquisition Library is functionally equiv
Resumo do conteúdo contido na página número 15
Chapter 1 Introduction minimal modifications to your code. Whether you are using conventional programming languages, LabVIEW, LabWindows/CVI, or other application software, your application uses the NI-DAQ driver software, as illustrated in Figure 1-1. Conventional ComponentWorks, Programming Environment LabVIEW, LabWindows/CVI, or VirtualBench NI-DAQ Driver Software Personal DAQ or Computer or SCXI Hardware Workstation Figure 1-1. The Relationship between the Programming Environment, NI-
Resumo do conteúdo contido na página número 16
Chapter 1 Introduction Optional Equipment National Instruments offers a variety of products to use with your PCI-1200 board, including cables, connector blocks, and other accessories, as follows: Cables and cable assemblies Connector blocks, 50-pin screw terminals SCXI modules and accessories for isolating, amplifying, exciting, and multiplexing signals for relays and analog output. With SCXI you can condition and acquire up to 3,072 channels. To use the PCI-1200 with SCXI you need th
Resumo do conteúdo contido na página número 17
Chapter 1 Introduction The mating connector for the PCI-1200 is a 50-position, polarized, ribbon socket connector with strain relief. National Instruments uses a polarized (keyed) connector to prevent inadvertent upside-down connection to the PCI-1200. Recommended manufacturer part numbers for this mating connector are as follows: Electronic Products Division/3M (part number 3425-7650) T&B/Ansley Corporation (part number 609-5041CE) PCI-1200 User Manual 1-6 © National Instruments Corpora
Resumo do conteúdo contido na página número 18
2 Installation and Configuration This chapter describes how to install and configure your PCI-1200. Software Installation If you are using NI-DAQ, or National Instruments application software, refer to the installation instructions in your software documentation to install and configure your software. If you are a register-level programmer, refer to the PCI-1200 Register-Level Programmer Manual. Hardware Installation The PCI-1200 can be installed in any unused PCI expansion slot in your comp
Resumo do conteúdo contido na página número 19
Chapter 2 Installation and Configuration Board Configuration The PCI-1200 is completely software configurable. The PCI-1200 is fully compliant with the PCI Local Bus Specification, Revision 2.0. Therefore, all board resources are automatically allocated by the system. For the PCI-1200, this allocation includes the base memory address and interrupt level. You do not need to perform any configuration steps after the system powers up. Analog I/O Configuration Upon power-up or after a software
Resumo do conteúdo contido na página número 20
Chapter 2 Installation and Configuration Analog Output Polarity The PCI-1200 has two channels of analog output voltage at the I/O connector. You can configure each analog output channel for either unipolar or bipolar output. A unipolar configuration has a range of 0 to 10 V at the analog output. A bipolar configuration has a range of –5 to +5 V at the analog output. In addition, you can select the coding scheme for each D/A converter (DAC) as either two’s complement or straight binary. If
