National Instruments GPIB-232CT-A IBCL EPROM Manuale utente

Getting Started with Your

GPIB-232CT-A and the

NI-488.2™Software

for MS-DOS/Windows

March 1995 Edition

Part Number 320555B-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,

Mexico 95 800 010 0793, Netherlands 03480-33466, Norway 32-84 84 00,

Singapore 2265886, Spain (91) 640 0085, Sweden 08-730 49 70,

Switzerland 056/20 51 51, Taiwan 02 377 1200, U.K. 0635 523545

Limited Warranty

The GPIB-232CT-A 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 publication may not be reproduced or

transmitted in any form, electronic or mechanical, including photocopying,

recording, storing in an information retrieval system, or translating, in

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

Corporation.

Trademarks

LabVIEW®, NI-488®, 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 A digital device. Operation is subject

to the following two conditions:

1. This device may not cause harmful interference in commercial

environments.

2. This device must accept any interference received, including

interference that may cause undesired operation.

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 A 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

harmful interference from the equipment to radio reception in commercial

areas. Operation of this equipment in a residential area is likely to cause

harmful interference, in which case the user will be required to correct the

interference at his own expense.

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.

Contents

About This Manual ..........................................................................xiii

Organization of This Manual......................................................xiii

Conventions Used in This Manual .............................................xiv

Related Documentation ..............................................................xvi

Customer Communication ..........................................................xvi

Chapter 1

Introduction.........................................................................................1-1

GPIB-232CT-A Overview..........................................................1-1

What You Need to Get Started...................................................1-2

Optional Equipment....................................................................1-3

Inspection ...................................................................................1-3

Hardware Description.................................................................1-3

Software Description ..................................................................1-4

Chapter 2

Install Your Hardware ...................................................................2-1

Step 1. Verify the Voltage Requirement ..................................2-1

Step 2. Shut Down Your System..............................................2-1

Step 3. Connect the Cables.......................................................2-2

Step 4. Power On Your System and Switch On the

GPIB-232CT-A ............................................................2-2

Chapter 3

Install the NI-488.2 Software for MS-DOS ............................3-1

Main Programs and Files ............................................................3-1

Additional Programs and Files ...................................................3-2

Terminology ...............................................................................3-3

Step 1. Run INSTALL .............................................................3-3

Quick Installation .........................................................3-3

Interactive Installation..................................................3-4

Step 2. Configure the Software ................................................3-5

Step 3. Verify the Software Installation ...................................3-6

Step 4. Developing Your Application Program .......................3-7

Interactive Control Program (IBIC) .............................3-7

Applications Monitor ...................................................3-8

The Application Program.............................................3-8

Contents

GPIB-232CT-A for MS-DOS/Windows viii © National Instruments Corp.

Chapter 4

Install the NI-488.2 Software for Windows............................4-1

NI-488.2 Files for the Windows Operating Environment..........4-1

NI-488.2 Files for the Development of Windows

Applications................................................................................4-2

GPIB Sample Windows Application Program ...........................4-2

Step 1. Run INSTALL .............................................................4-3

Quick Installation .........................................................4-3

Interactive Installation..................................................4-4

Step 2. Set Up the Windows Applications ...............................4-5

Step 3. Configure the Software ................................................4-5

Step 4. Verify the Software Installation ...................................4-5

Using WIBIC ..............................................................................4-6

Writing Windows Programs That Use the GPIB .......................4-7

The WINSAMP Sample...............................................4-7

General Rules for Using GPIB.LIB with Windows.....4-8

Chapter 5

Configure Your Software with IBCONF ................................5-1

Overview of IBCONF.................................................................5-1

Upper and Lower Levels of IBCONF ........................................5-3

Upper Level Device Map .............................................5-3

Device Maps of the Boards............................5-4

Help................................................................5-4

Rename ..........................................................5-4

(Dis)connect...................................................5-5

Edit.................................................................5-5

Output GPIB Driver Configuration

(IBCONF.EXE only) .....................................5-6

Autoconfigure (IBCONF.EXE only).............5-6

Exit.................................................................5-6

Lower Level Device/Board Characteristics .................5-7

Change Characteristics...................................5-8

Change Board or Device................................5-8

Help................................................................5-8

Reset Value ....................................................5-8

Return to Map ................................................5-8

Default Configurations ...............................................................5-9

Default Values..............................................................5-9

Contents

Device and Board Characteristics...............................................5-10

Primary GPIB Address.................................................5-10

Secondary GPIB Address.............................................5-10

Timeout Settings ..........................................................5-10

Serial Poll Timeouts (Device

Characteristic Only) ..................................................... 5-11

Terminate READ on EOS ............................................5-11

Set EOI with EOS on Write .........................................5-11

Type of Compare on EOS ............................................5-11

EOS Byte......................................................................5-11

Set EOI at End of Write ............................................... 5-12

System Controller (Board Characteristic

Only).............................................................................5-12

Assert REN when SC (Board Characteristic Only) .....5-12

Enable Auto Serial Polling (Board

Characteristic Only) ..................................................... 5-12

Enable CIC Protocol (Board

Characteristic Only) ..................................................... 5-13

Bus Timing (Board Characteristic Only) .....................5-13

Enable Repeat Addressing (Device

Characteristic Only) ..................................................... 5-13

Use This Interface (Board Characteristic

Only).............................................................................5-13

COM Port (Board Characteristic Only) .......................5-14

Serial Port Base Address (Board

Characteristic Only) ..................................................... 5-14

Serial Port IRQ Level (Board Characteristic Only) .....5-14

Baud Rate (Board Characteristic Only)* .....................5-14

Parity (Board Characteristic Only)*.............................5-15

Stop Bits (Board Characteristic Only)* .......................5-15

Data Bits (Board Characteristic Only)* .......................5-15

Exiting IBCONF.........................................................................5-15

Appendix A

Hardware Configuration...............................................................A-1

Configure the RS-232 Serial Port...............................................A-1

Appendix B

Hardware Specifications................................................................B-1

Contents

GPIB-232CT-A for MS-DOS/Windows x © National Instruments Corp.

Appendix C

Troubleshooting.................................................................................C-1

Troubleshooting Hardware Problems.........................................C-1

Troubleshooting Software Problems ..........................................C-2

Appendix D

DLL Direct Entry NI-488 Functions and

NI-488.2 Routines .............................................................................D-1

Appendix E

Interfacing to a Serial Device.......................................................E-1

The RS-232C Standard...............................................................E-1

Description of the RS-232 Port...................................................E-1

Interfacing Serial Devices to the RS-232 Serial Port .................E-3

Interfacing the GPIB-232CT-A to a DCE with

Handshaking.................................................................E-3

Interfacing the GPIB-232CT-A to a DCE without

Handshaking.................................................................E-5

Minimum Configuration Cable......................E-6

Custom Cables ...............................................E-7

Interfacing the GPIB-232CT-A to a DTE with

Handshaking.................................................................E-7

Interfacing the GPIB-232CT-A to a DTE without

Handshaking.................................................................E-9

Minimum Configuration Cable......................E-9

Custom Cables ...............................................E-10

Appendix F

Customer Communication............................................................F-1

Glossary......................................................................................Glossary-1

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