National Instruments GPIB-PCII Manual de usuario

Getting Started with Your

GPIB-PCII/IIA and the

NI-488.2™Software for MS-DOS

June 1992 Edition

Part Number 320320-01

National Instruments Corporate Headquarters

6504 Bridge Point Parkway

Austin, TX 78730-5039

(512) 794-0100

Technical support fax: (800) 328-2203

(512) 794-5678

Branch Offices:

Australia (03) 879 9422, Austria (0662) 435986, Belgium 02/757.00.20,

Canada (Ontario) (519) 622-9310, Canada (Québec) (514) 694-8521,

Denmark 45 76 26 00, Finland (90) 527 2321, France (1) 48 14 24 24,

Germany 089/741 31 30, Italy 02/48301892, Japan (03) 3788-1921,

Netherlands 03480-33466, Norway 32-848400, Spain (91) 640 0085,

Sweden 08-730 49 70, Switzerland 056/20 51 51, U.K. 0635 523545

Limited Warranty

The GPIB-PCII/IIA is warranted against defects in materials and workmanship for a

period of two years 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, 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. National Instruments will pay the shipping costs of returning to the

owner parts which are covered by warranty.

National Instruments believes that the information in this manual is accurate. The

document has been carefully reviewed for technical accuracy. In the event that technical

or typographical errors exist, National Instruments reserves the right to make changes to

subsequent editions of this document without prior notice to holders of this edition. The

reader should consult National Instruments if errors are suspected. In no event shall

National Instruments be liable for any damages arising out of or related to this document

or the information contained in it.

EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS

OR IMPLIED, AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE. CUSTOMER'S RIGHT TO RECOVER DAMAGES CAUSED

BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO

THE AMOUNT THERETOFORE PAID BY THE CUSTOMER. NATIONAL INSTRUMENTS WILL NOT BE

LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS, OR

INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.

This limitation of the liability of National Instruments will apply regardless of the form of

action, whether in contract or tort, including negligence. Any action against National

Instruments must be brought within one year after the cause of action accrues. National

Instruments shall not be liable for any delay in performance due to causes beyond its

reasonable control. The warranty provided herein does not cover damages, defects,

malfunctions, or service failures caused by owner's failure to follow the National

Instruments installation, operation, or maintenance instructions; owner's modification of

the product; owner's abuse, misuse, or negligent acts; and power failure or surges, fire,

flood, accident, actions of third parties, or other events outside reasonable control.

Under the copyright laws, this book may not be copied, photocopied, reproduced, or

translated, in whole or in part, without the prior written consent of National Instruments

Corporation.

Trademarks

NI-488®, Turbo488®, NAT4882™, and NI-488.2™are trademarks of National

Instruments Corporation.

Product and company names listed are trademarks or trade names of their respective

companies.

Warning Regarding Medical and Clinical Use

of National Instruments Products

National Instruments products are not designed with components and testing intended to

ensure a level of reliability suitable for use in treatment and diagnosis of humans.

Applications of National Instruments products involving medical or clinical treatment can

create a potential for accidental injury caused by product failure, or by errors on the part

of the user or application designer. Any use or application of National Instruments

products for or involving medical or clinical treatment must be performed by properly

trained and qualified medical personnel, and all traditional medical safeguards,

equipment, and procedures that are appropriate in the particular situation to prevent

serious injury or death should always continue to be used when National Instruments

products are being used. National Instruments products are NOT intended to be a

substitute for any form of established process, procedure, or equipment used to monitor or

safeguard human health and safety in medical or clinical treatment.

FCC/DOC Radio Frequency

Interference Compliance

This equipment generates and uses radio frequency energy and, if not

installed and used in strict accordance with the instructions in this manual,

may cause interference to radio and television reception. This equipment

has been tested and found to comply with the following two regulatory

agencies:

Federal Communications Commission

This device complies with Part 15 of the Federal Communications

Commission (FCC) Rules for a Class B digital device. A Class B device is

distinguishable from a Class A device by the appearance of an FCC ID

number located on the Class B device.

Canadian Department of Communications

This device complies with the limits for radio noise emissions from digital

apparatus set out in the Radio Interference Regulations of the Canadian

Department of Communications (DOC).

Le présent appareil numérique n’émet pas de bruits radioélectriques

dépassant les limites applicables aux appareils numériques de classe B

prescrites dans le règlement sur le brouillage radioélectrique édicté par le

ministère des communications du Canada.

Instructions to Users

These regulations are designed to provide reasonable protection against

interference from the equipment to radio and television reception in

residential areas.

There is no guarantee that interference will not occur in a particular

installation. However, the chances of interference are much less if the

equipment is installed and used according to this instruction manual.

If the equipment does cause interference to radio or television reception,

which can be determined by turning the equipment on and off, one or more

of the following suggestions may reduce or eliminate the problem.

• Operate the equipment and the receiver on different branches of your

AC electrical system.

• Move the equipment away from the receiver with which it is interfering.

• Reorient or relocate the receiver’s antenna.

• Be sure that the equipment is plugged into a grounded outlet and that

the grounding has not been defeated with a cheater plug.

Notice to user: Changes or modifications not expressly approved by

National Instruments could void the user’s authority to

operate the equipment under the FCC Rules.

If necessary, consult National Instruments or an experienced radio/television

technician for additional suggestions. The following booklet prepared by

the FCC may also be helpful: How to Identify and Resolve Radio-TV

Interference Problems. This booklet is available from the U.S. Government

Printing Office, Washington, DC 20402, Stock Number 004-000-00345-4.

Bescheinigung des Herstellers/Importeurs

Hiermit wird bescheinigt, daß die GPIB-PCII/IIA in Übereinstimmung mit den

Bestimmungen der Vfg. 1046/1984 funk-entstört ist.

Der Deutsche Bundespost wurde das Inverkehrbringen dieses Gerätes angezeigt

und die Berechtigung zur Überprüfung der Serie auf Bestimmungen eingeräumt.

Preface

This manual contains instructions for installing and configuring the

National Instruments GPIB-PCII/IIA interface board and NI-488.2 MS-

DOS handler. This manual is meant to be used with the NI-488.2™MS-

DOS Software Reference Manual, Part Number 320282-01.

Organization of This Manual

This manual is organized as follows:

• Chapter 1, Introduction, contains a picture of the GPIB-PCII/IIA

interface board, lists the contents of your GPIB-PCII/IIA kit and

optional equipment, and contains instructions for unpacking your

GPIB-PCII/IIA.

• Chapter 2, Installation and Elementary Programming Example,

contains instructions for installing your GPIB-PCII/IIA hardware and

NI-488.2 software. It also contains an elementary programming

example.

• Chapter 3, Writing an Advanced Program Using NI-488.2 Routines,

contains an introduction to the NI-488.2 routines and step-by-step

instructions for writing an NI-488.2 program. The end of the chapter

contains some example programs.

• Appendix A, Changing Hardware and Software Configuration

Settings, contains instructions for changing the configuration settings of

your GPIB-PCII/IIA interface board.

• Appendix B, Customer Communication, contains forms for you to

complete to facilitate communication with National Instruments

concerning our products.

Preface

PCII/IIA and NI-488.2 MS-DOS viii © National Instruments Corp.

Conventions Used in This Manual

Throughout this manual, the following conventions are used to distinguish

elements of text:

italic Italic text denotes emphasis, a cross reference, or

an introduction to a key concept.

monospace Lowercase text in this font denotes text or

characters that are to be literally input from the

keyboard, sections of code, programming

examples, and syntax examples. This font is also

used for the proper names of disk drives,

directories, programs, subprograms, subroutines,

device names, functions, variables, and

filenames, and for statements and comments

taken from program code.

italic monospace

Italic lowercase text in this font denotes that you

must supply the appropriate words or values in

the place of these items.

<> Angle brackets enclose the name of a key on the

keyboard–for example, <Break>.

- A hyphen between two or more key names

enclosed in angle brackets denotes that you

should simultaneously press the named keys–for

example, <Ctrl-Alt-Del>.

<Enter> Key names are capitalized.

Throughout this manual, the word enter is reserved to mean that the

commands immediately following the word must be typed into the

computer, and then executed by pressing the <Enter> key on the keyboard.

Preface

Abbreviations

The following are the abbreviations for units of measure used in this

manual:

A amperes

hex hexadecimal

in. inches

kbytes 1,000 bytes

MHz megahertz

µsec microseconds

sec seconds

Acronyms

The following acronyms are used in this manual:

AC alternating current

DMA direct memory access

GPIB General Purpose Interface (IEEE-488) Bus

EGA enhanced graphics adapter

EMI electromagnetic interference

IEEE-488 Institute of Electrical and Electronic Engineers

Standard 488-1978, which defines the GPIB

I/O input/output

PC personal computer

VAC volts alternating current

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