Resumen del contenido incluido en la página 1
DAQ
AT E Series User Manual
Multifunction I/O Devices for the PC AT
AT E Series User Manual
May 2002 Edition
Part Number 370507A-01
Resumen del contenido incluido en la página 2
Support Worldwide Technical Support and Product Information ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 683 0100 Worldwide Offices Australia 03 9879 5166, Austria 0662 45 79 90 0, Belgium 02 757 00 20, Brazil 011 3262 3599, Canada (Calgary) 403 274 9391, Canada (Montreal) 514 288 5722, Canada (Ottawa) 613 233 5949, Canada (Québec) 514 694 8521, Canada (Toronto) 905 785 0085, China (Shanghai) 021 6555 7838, China (ShenZhen)
Resumen del contenido incluido en la página 3
Important Information Warranty The AT E Series devices are 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 instructi
Resumen del contenido incluido en la página 4
Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference. The FCC places digital electronics into two classes. These classes are known as Class A (for use in industrial-commercial locations only) or Class B (for use in residential or commercial locations). Depending on where it is operated, this product could be subject to restrictions in the FCC rules. (In Canad
Resumen del contenido incluido en la página 5
Canadian Department of Communications This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. Compliance to EU Directives Readers in the European Union (EU) must refer to the Manufacturer’s Declaration of Conformity (DoC) for information** pertaining to the CE Mark compliance scheme. The Manufacturer includes a DoC for mo
Resumen del contenido incluido en la página 6
Contents About This Manual Conventions ...................................................................................................................xi National Instruments Documentation ............................................................................xii Related Documentation..................................................................................................xiii Chapter 1 Introduction About the AT E Series ...........................................................
Resumen del contenido incluido en la página 7
Contents Dither .............................................................................................................. 3-10 Multiple-Channel Scanning Considerations ................................................... 3-11 Analog Output ............................................................................................................... 3-13 Analog Output Reference Selection................................................................ 3-13 Analog Output Polarity Selection ...
Resumen del contenido incluido en la página 8
Contents SISOURCE Signal ............................................................................4-39 SCANCLK Signal.............................................................................4-40 EXTSTROBE* Signal ......................................................................4-41 Waveform Generation Timing Connections ...................................................4-41 WFTRIG Signal ................................................................................4-41 UPDATE* Sig
Resumen del contenido incluido en la página 9
Contents Appendix D Technical Support and Professional Services Glossary Index AT E Series User Manual x ni.com
Resumen del contenido incluido en la página 10
About This Manual This manual describes the electrical and mechanical aspects of each device in the AT E Series product line and contains information concerning their operation and programming. Unless otherwise noted, text applies to all devices in the AT E Series. The AT E Series includes the following devices: 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 devices are high-performance multifunction
Resumen del contenido incluido en la página 11
About This Manual bold Bold text denotes items that you must select or click in the software, such as menu items and dialog box options. Bold text also denotes parameter names. italic Italic text denotes variables, emphasis, a cross reference, or an introduction to a key concept. This font also denotes text that is a placeholder for a word or value that you must supply. NI-DAQ NI-DAQ refers to the NI-DAQ software for PC compatibles unless otherwise noted. PC PC refers to the PC AT series compute
Resumen del contenido incluido en la página 12
About This Manual or the NI-DAQ documentation to help you write your application. If you have a large and complicated system, it is worthwhile to look through the software documentation before you configure the hardware. Accessory installation guides or manuals—If you are using accessory products, read the terminal block and cable assembly installation guides. They explain how to physically connect the relevant pieces of the system. Consult these guides when you are making the connections. Rel
Resumen del contenido incluido en la página 13
1 Introduction This chapter describes the AT E Series devices, lists what you need to get started, describes the optional software and optional equipment, and explains how to unpack the AT E Series device. About theATESeries Thank you for buying an NI AT E Series device. The AT E Series devices are the first completely Plug and Play-compatible multifunction analog, digital, and timing I/O devices for the PC AT and compatible computers. This family of devices features 12-bit and 16-bit ADCs with
Resumen del contenido incluido en la página 14
Chapter 1 Introduction interface and a ribbon cable to route timing and trigger signals between several functions on as many as five DAQ devices in the PC. The AT E Series devices can interface to an SCXI system so that you can acquire over 3,000 analog signals from thermocouples, RTDs, strain gauges, voltage sources, and current sources. You can also acquire or generate digital signals for communication and control. SCXI is the instrumentation front end for plug-in DAQ devices. Detailed specifi
Resumen del contenido incluido en la página 15
Chapter 1 Introduction Software Programming Choices When programming National Instruments DAQ hardware, you can use an NI application development environment (ADE) or other ADEs. In either case, you use NI-DAQ. NI-DAQ NI-DAQ, which shipped with the AT E Series device, has an extensive library of functions that you can call from the ADE. These functions allow you to use all the features of the AT E Series device. NI-DAQ carries out many of the complex interactions, such as programming interrupts,
Resumen del contenido incluido en la página 16
Chapter 1 Introduction National Instruments ADE Software LabVIEW features interactive graphics, a state-of-the-art interface, and a powerful graphical programming language. The LabVIEW Data Acquisition VI Library, a series of virtual instruments for using LabVIEW with National Instruments DAQ hardware, is included with LabVIEW. Measurement Studio, which includes LabWindows/CVI, tools for Visual C++, and tools for Visual Basic, is a development suite that allows you to use ANSI C, Visual C++, and
Resumen del contenido incluido en la página 17
Chapter 1 Introduction Optional Equipment NI offers a variety of products to use with the AT E Series device, including cables, connector blocks, and other accessories, as follows: Cables and cable assemblies, shielded and ribbon Connector blocks, shielded and unshielded 50-, 68-, and 100-pin screw terminals RTSI bus cables 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
Resumen del contenido incluido en la página 18
Chapter 1 Introduction Unpacking The AT E Series device is shipped in an antistatic package to prevent electrostatic damage to the device. Electrostatic discharge can damage several components on the device. Caution Never touch the exposed pins of connectors. To avoid such damage in handling the device, take the following precautions: Ground yourself using a grounding strap or by holding a grounded object. Touch the antistatic package to a metal part of the computer chassis before removing t
Resumen del contenido incluido en la página 19
Chapter 1 Introduction pollution degree stated in Appendix A, Specifications. Pollution is foreign matter in a solid, liquid, or gaseous state that can produce a reduction of dielectric strength or surface resistivity. The following is a description of pollution degrees: Pollution degree 1 means no pollution or only dry, nonconductive pollution occurs. The pollution has no influence. Pollution degree 2 means that only nonconductive pollution occurs in most cases. Occasionally, however, a tem
Resumen del contenido incluido en la página 20
Chapter 1 Introduction Installation Category III is for measurements performed in the building installation. This category is a distribution level referring to hardwired equipment that does not rely on standard building insulation. Examples of Installation Category III include measurements on distribution circuits and circuit breakers. Other examples of Installation Category III are wiring including cables, bus-bars, junction boxes, switches, socket outlets in the building/fixed installation,
