Advantech PCI-1721 Manuale utente

PCI-1721

12-bit, 4-channel

Advanced Analog

Output Card

This documentation and the software included with this product are

copyrighted 2001 by Advantech Co., Ltd. All rights are reserved.

Advantech Co., Ltd. reserves the right to make improvements in the

products described in this manual at any time without notice. No part of

this manual may be reproduced, copied, translated or transmitted in any

form or by any means without the prior written permission of Advantech

Co., Ltd. Information provided in this manual is intended to be accurate

and reliable. However, Advantech Co., Ltd. assumes no responsibility

for its use, nor for any infringements of the rights of third parties which

may result from its use.

Acknowledgments

PC-LabCard is a trademark of Advantech Co., Ltd. IBM and PC are trade-

marks of International Business Machines Corporation. MS-DOS, Win-

dows, Microsoft Visual C++ and Visual BASIC are trademarks of Microsoft

Corporation. Intel and Pentium are trademarks of Intel Corporation. Delphi

and C++ Builder are trademarks of Inprise Corporation.

CE notification

The PCI-1721, developed by ADVANTECH CO., LTD., has passed the CE

test for environmental specifications when shielded cables are used for

external wiring. We recommend the use of shielded cables. This kind of

cable is available from Advantech. Please contact your local supplier for

ordering information.

On-line Technical Support

For technical support and service, please visit our support website at:

http:\\www.advantech.com/support

Note:

✎ Concerning the environment protection, we'd like to reduce the paper

using for the user's manual. Starting the page of Appendix C, please

find the PDF file of the CD-ROM.

Part No. 2003172101 2nd Edition

Printed in Taiwan October 2001

Contents

1.Introduction ............................................................................ 1

1.1 Features ........................................................................................ 1

1.2 Applications ................................................................................. 4

1.3 Installation Guide.......................................................................... 4

1.4 SoftwareOverview........................................................................ 6

1.5 DLLDriverProgrammingRoadmap .............................................. 7

1.6 Accessories .................................................................................. 9

2.Installation ........................................................................... 10

2.1 Unpacking .................................................................................. 10

2.2 Switch and Jumper Settings........................................................ 12

2.3 I/O Connector ............................................................................. 13

2.4 Driver Installation ....................................................................... 15

2.5 Hardware Installation.................................................................. 16

2.6 Device Setup & Configuration.................................................... 19

3.SignalConnections .............................................................. 23

3.1 Overview..................................................................................... 23

3.2 Analog Output Connections ...................................................... 23

3.3 Trigger Source Connections ....................................................... 24

3.4 Field Wiring Considerations ....................................................... 25

AppendixA.Specifications...................................................... 26

AppendixB.BlockDiagram ................................................... 28

AppendixC.RegisterStructureandFormat.......................... 29

C.1 Overview..................................................................................... 29

C.2 I/O Port Address Map ................................................................ 29

C.3 D/AChannel0/1/2/3Data-BASE+0/2/4/6H............................... 33

C.4 BoardID-BASE+10H ................................................................ 33

C.5 D/A Control -BASE+12H ........................................................... 34

C.6 Write Calibration Result toEEPROM-BASE+16H..................... 35

C.7 All D/A channels Synchronized Setting - BASE+22H ................ 36

C.8 Synchronization strobe - BASE+24H.......................................... 36

C.9 Calibration Setting -BASE+26H ................................................. 37

C.10 CalibrationStatus-BASE+28H .................................................. 38

C.11 I/O Setting Command and Status - BASE+2AH ......................... 39

C.12 ClearFIFOstrobe-BASE+2CH .................................................. 40

C.13 ClearFIFOstrobe-BASE+2EH .................................................. 40

C.14 82C54CounterChip -BASE+30/32/34/36H................................. 41

C.15 DIOWrite/Read-BASE+3EH ...................................................... 42

C.16 DMAFIFODataBuffer- BASE+40/42H..................................... 42

AppendixD.Calibration .......................................................... 43

D.1 VR Assignment........................................................................... 44

D.2 D/ACalibration........................................................................... 44

D.3 CalibrationUtility........................................................................ 46

Chapter 1

– 1 – PCI-1721 User’s Manual

Advantech Co., Ltd.

www.advantech.com

Chapter

1. Introduction

Thank you for buying the Advantech PCI-1721. The PCI-1721 is an

advanced high-speed analog output card for PCI bus, and each of

analog output channels is equipped with a 12-bit, double-buffered

DAC.

It features many powerful and unique functions, like waveform output

function with 10 MHz maximum update rate, auto-calibration function

and Board ID.

The PCI-1721 is an ideal solution for industrial applications where

high-speed continuous analog output or even real-time waveform

output functions are required.

The following sections of this chapter will provide further information

about features of the multifunction cards, a quick start for installation,

together with some brief information on software and accessories for

thePCI-1721card.

1.1 Features

q10MHzmaximumdigitalupdaterate

qPCI-bus mastering for data transfer

qAuto calibration function

q4 analog output channels with 1K FIFO

qA 12-bit DAC is equipped for each of analog output channels

qReal-time waveform output function with internal/external pacer

qSynchronized output function

qFlexible output types and output range settings

qKeeping the output settings and values after system reset

q16-ch DIO and one 10MHz 16-bit resolution counter

qBoardID

TheAdvantechPCI-1721offersthefollowingmainfeatures:

Chapter 1

– 2 –PCI-1721 User’s Manual Advantech Co., Ltd.

www.advantech.com

PCI-Bus Mastering Data Transfer

The PCI-1721 supports PCI-Bus mastering DMA for high-speed data

transfer and gap-free analog output. By setting aside a block of

memory in the PC, the PCI-1721 performs bus-mastering data transfers

without CPU intervention, setting the CPU free to perform other more

urgent tasks such as data analysis and graphic manipulation. The

function allows users to run all I/O functions simultaneously at full

speed without losing data.

Auto-calibration Function

The PCI-1721 provides an auto-calibration function by using a

calibrationutility. The built-in calibration circuitry of the PCI-1721

corrects gain and offset errors in analog output channels thereby

eliminating the need for external equipment and user adjustments.

Waveform Analog Output

The PCI-1721 provides four analog output channels. Both of them can

perform continuous waveform output. The analog output can be up to

10MS/s for each analog output channel. Or you can load a cyclic

waveform into an on-board FIFO, which will continuously output the

cyclic waveform. The on-board FIFO of the PCI-1721 can store 2 to

1024samples of the waveform.

Keeping the Output Settings and Values after system reset

Users can independently set the four outputs to different ranges:

0~+5V,0~+10V,±5V,±10V,0~20mAor4~20mA,and alltherangesare

software selectable. When the system is hot reset (power not shut

down), the PCI-1721 can either retain the last analog output settings

and values, or return to its default configuration, depending on jumper

setting. This practical function eliminates danger caused by mis-

operation during unexpected system reset.

On-board FIFO Memory

The PCI-1721 provides an on-board FIFO (First In First Out) memory

buffer, storing up to 1K samples for D/A conversion.

Chapter 1

– 3 – PCI-1721 User’s Manual

Advantech Co., Ltd.

www.advantech.com

Board ID

The PCI-1721 has a built-in DIP Switch that helps define each card’s ID

when multiple PCI-1721 cards have been installed on the same PC

chassis. The board ID setting function is very useful when users build

their system with multiple PCI-1721 cards. With correct Board ID

settings, you can easily identify and access each card during hardware

configuration and software programming.

On Board Programmable Timer/Counter

PCI-1721 provides a programmable timer counter for generating pacer

trigger for the D/A conversion. The timer/counter chip is 82C54, which

includes three 16-bit counters of 10 MHz clock. One counter is used as

an event counter for counting events coming from the input channel.

The other two are cascaded together to make a 32-bit timer for pacer

trigger time base.

Note:

✎For detailed specifications of the PCI-1721, please refer to Appendix A,

Specifications.

Chapter 1

– 4 –PCI-1721 User’s Manual Advantech Co., Ltd.

www.advantech.com

1.2 Applications

Process control

Programmable voltage source

Programmable current sink

Servo control

Multiple loop PID control

Simulate function generator

1.3 Installation Guide

Before you install your PCI-1721 card, please make sure you have the

following necessary components:

PCI-1721 DA&C card

PCI-1721 User’s Manual

Driver software Advantech DLL drivers

(included in the companion CD-ROM)

Wiring cable PCL-10168 (optional)

Wiring board ADAM-3968 (optional)

Computer Personal computer or workstation with a

PCI-bus slot (running Windows 95/98/NT/

2000)

Some other optional components are also available for enhanced

operation:

Application software ActiveDAQ, GeniDAQ or other third-party

software packages (the waveform output

function of Analog Output is not included)

After you get the necessary components and maybe some of the

accessories for enhanced operation of your Multifunction card, you

can then begin the Installation procedures. Figure 1-1 on the next page

provides a concise flow chart to give users a broad picture of the

software and hardware installation procedures:

Chapter 1

– 5 – PCI-1721 User’s Manual

Advantech Co., Ltd.

www.advantech.com

Fig. 1-1 Installation Flow Chart

Chapter 1

– 6 –PCI-1721 User’s Manual Advantech Co., Ltd.

www.advantech.com

1.4 Software Overview

Advantech offers a rich set of DLL drivers, third-party driver support

and application software to help fully exploit the functions of your PCI-

1721card:

lDLLdriver(on the companion CD-ROM)

lLabVIEWdriver*

lAdvantech ActiveDAQ*

lAdvantech GeniDAQ*

Note:

✎The waveform output function of Analog Output is not included.

Programming choices for DA&C cards: You may use Advantech

application software such as Advantech DLL driver. On the other

hand, advanced users are allowed another option for register-level

programming, although not recommended due to its laborious and

time-consuming nature.

DLL Driver

The Advantech DLL Drivers software is included on the companion

CD-ROM at no extra charge. It also comes with all the Advantech

DA&C cards. Advantech’s DLL driver features a complete I/O function

library to help boost your application performance. The Advantech

DLLdriverforWindows 95/98/NT/2000 works seamlessly with

development tools such as Visual C++, Visual Basic, Inprise C++

Builder and Inprise Delphi.

who find it necessary to write codes directly at the level of device

registers. Since register-level programming requires much effort and

time, we recommend that you use the Advantech DLL drivers instead.

However, if register-level programming is indispensable, you should

refer to the relevant information in Appendix C, Register Structure and

Format, or to the example codes included on the companion CD-ROM.

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