Advantech PCI-1751 Manual de usuario

User Manual

PCI-1751

48-bit Digital Input/ Output Card

for PCI Bus

PCI-1751 User Manual ii

The documentation and the software included with this product are copyrighted 2015

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. How-

ever, Advantech Co., Ltd. assumes no responsibility for its use, nor for any infringe-

ments of the rights of third parties, which may result from its use.

Acknowledgements

Intel and Pentium are trademarks of Intel Corporation.

Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.

All other product names or trademarks are properties of their respective owners.

Product Warranty (2 years)

Advantech warrants to you, the original purchaser, that each of its products will be

free from defects in materials and workmanship for two years from the date of pur-

chase.

This warranty does not apply to any products which have been repaired or altered by

persons other than repair personnel authorized by Advantech, or which have been

subject to misuse, abuse, accident or improper installation. Advantech assumes no

liability under the terms of this warranty as a consequence of such events.

Because of Advantech’s high quality-control standards and rigorous testing, most of

our customers never need to use our repair service. If an Advantech product is defec-

tive, it will be repaired or replaced at no charge during the warranty period. For out-

of-warranty repairs, you will be billed according to the cost of replacement materials,

service time and freight. Please consult your dealer for more details.

If you think you have a defective product, follow these steps:

1. Collect all the information about the problem encountered. (For example, CPU

speed, Advantech products used, other hardware and software used, etc.) Note

anything abnormal and list any onscreen messages you get when the problem

occurs.

2. Call your dealer and describe the problem. Please have your manual, product,

and any helpful information readily available.

3. If your product is diagnosed as defective, obtain an RMA (return merchandize

authorization) number from your dealer. This allows us to process your return

more quickly.

4. Carefully pack the defective product, a fully-completed Repair and Replacement

Order Card and a photocopy proof of purchase date (such as your sales receipt)

in a shippable container. A product returned without proof of the purchase date

is not eligible for warranty service.

5. Write the RMA number visibly on the outside of the package and ship it prepaid

to your dealer.

Part No. XXXXXXXXXX Edition 1

Printed in Taiwan June 2015

iii PCI-1751 User Manual

Declaration of Conformity

This product 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.

FCC Class B

Note: This equipment has been tested and found to comply with the limits for a Class

B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference in a residential installa-

tion. This equipment generates, uses and can radiate radio frequency energy and, if

not installed and used in accordance with the instructions, may cause harmful inter-

ference to radio communications. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause harmful interfer-

ence to radio or television reception, which can be determined by turning the equip-

ment off and on, the user is encouraged to try to correct the interference by one or

more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

PCI-1751 User Manual iv

Technical Support and Assistance

1. Visit theAdvantech web site at http://support.advantech.com where you can find

the latest information about the product.

2. Contact your distributor, sales representative, or Advantech's customer service

center for technical support if you need additional assistance. Please have the

following information ready before you call:

–Product name and serial number

–Description of your peripheral attachments

–Description of your software (operating system, version, application software,

etc.)

–A complete description of the problem

–The exact wording of any error messages

Warnings, Cautions and Notes

Warning! Warnings indicate conditions, which if not observed, can cause personal

injury!

Caution! Cautions are included to help you avoid damaging hardware or losing

data. e.g.

There is a danger of a new battery exploding if it is incorrectly installed.

Do not attempt to recharge, force open, or heat the battery. Replace the

battery only with the same or equivalent type recommended by the man-

ufacturer. Discard used batteries according to the manufacturer's

instructions.

Note! Notes provide optional additional information.

v PCI-1751 User Manual

Safety Instructions

1. Read these safety instructions carefully.

2. Keep this User Manual for later reference.

3. Disconnect this equipment from any AC outlet before cleaning. Use a damp

cloth. Do not use liquid or spray detergents for cleaning.

4. For plug-in equipment, the power outlet socket must be located near the equip-

ment and must be easily accessible.

5. Keep this equipment away from humidity.

6. Put this equipment on a reliable surface during installation. Dropping it or letting

it fall may cause damage.

7. The openings on the enclosure are for air convection. Protect the equipment

from overheating. DO NOT COVER THE OPENINGS.

8. Make sure the voltage of the power source is correct before connecting the

equipment to the power outlet.

9. Position the power cord so that people cannot step on it. Do not place anything

over the power cord.

10. All cautions and warnings on the equipment should be noted.

11. If the equipment is not used for a long time, disconnect it from the power source

to avoid damage by transient overvoltage.

12. Never pour any liquid into an opening. This may cause fire or electrical shock.

13. Never open the equipment. For safety reasons, the equipment should be

opened only by qualified service personnel.

14. If one of the following situations arises, get the equipment checked by service

personnel:

The power cord or plug is damaged.

Liquid has penetrated into the equipment.

The equipment has been exposed to moisture.

The equipment does not work well, or you cannot get it to work according to

the user's manual.

The equipment has been dropped and damaged.

The equipment has obvious signs of breakage.

15. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT WHERE THE

STORAGE TEMPERATURE MAY GO BELOW -20° C (-4° F) OR ABOVE 60° C

(140° F). THIS COULD DAMAGE THE EQUIPMENT. THE EQUIPMENT

SHOULD BE IN A CONTROLLED ENVIRONMENT.

16. CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY

REPLACED. REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE

RECOMMENDED BY THE MANUFACTURER, DISCARD USED BATTERIES

ACCORDING TO THE MANUFACTURER'S INSTRUCTIONS.

The sound pressure level at the operator's position according to IEC 704-1:1982 is

no more than 70 dB (A).

DISCLAIMER: This set of instructions is given according to IEC 704-1. Advantech

disclaims all responsibility for the accuracy of any statements contained herein.

PCI-1751 User Manual vi

Safety Precaution - Static Electricity

Follow these simple precautions to protect yourself from harm and the products from

damage.

To avoid electrical shock, always disconnect the power from your PC chassis

before you work on it. Don't touch any components on the CPU card or other

cards while the PC is on.

Disconnect power before making any configuration changes. The sudden rush

of power as you connect a jumper or install a card may damage sensitive elec-

tronic components.

vii PCI-1751 User Manual

Contents

Chapter 1 General Information ............................1

1.1 Introduction ...............................................................................................2

1.1.1 Numbering Convention.................................................................2

1.2 Features....................................................................................................2

1.3 Applications...............................................................................................2

1.4 Installation Guide ......................................................................................3

1.5 Software Overview....................................................................................3

1.6 Accessories...............................................................................................3

Chapter 2 Installation............................................5

2.1 Unpacking.................................................................................................6

2.2 Hardware Installation ................................................................................7

Chapter 3 Signal Connections.............................9

3.1 Overview.................................................................................................10

3.2 Switch and Jumper Settings....................................................................10

Figure 3.1 Location of connectors and jumpers.........................10

Table 3.1: Summary of Jumper Settings...................................11

Table 3.2: Board ID setting (SW1).............................................12

3.3 Pin Assignments .....................................................................................12

3.4 Digital I/O Ports.......................................................................................13

Table 3.3: Bit map of Port Configuration Register.....................13

3.5 Timer/Counter Operation ........................................................................15

3.6 Interrupt Function....................................................................................16

Table 3.4: Interrupt Control Register Bit Map............................16

Table 3.5: Interrupt Mode Bit Values.........................................17

Table 3.6: Triggering Edge Control Bit Values ..........................17

Table 3.7: Interrupt Flag Bit Values...........................................17

Appendix A Specifications ....................................19

A.1 PCI-1751 Specifications..........................................................................20

Table A.1: Digital Input...............................................................20

Table A.2: Digital Output............................................................20

Table A.3: Counter / Timer.........................................................20

Table A.4: General Specifications..............................................20

Appendix B Block Diagram ...................................21

B.1 PCI-1751 Block Diagram.........................................................................22

Appendix C Function of 8254 Counter Chip ........23

C.1 The Intel 8254.........................................................................................24

C.2 Counter Read/Write and Control Registers.............................................24

C.3 Counter Operating Modes.......................................................................26

C.3.1 MODE 0 - Stop on Terminal Count.............................................26

C.3.2 MODE 1 - Programmable One-shot............................................26

PCI-1751 User Manual viii

C.3.3 MODE 2 - Rate Generator.......................................................... 26

C.3.4 MODE 3 - Square Wave Generator............................................ 26

C.3.5 MODE 4 - Software Triggered Strobe......................................... 27

C.3.6 MODE 5 - Hardware Triggered Strobe....................................... 27

C.4 Counter Operations................................................................................. 27

C.4.1 Read/Write Operation................................................................. 27

C.4.2 Counter Read-back Command................................................... 27

C.4.3 Counter Latch Operation ............................................................ 28

C.5 Counter Applications............................................................................... 28

Appendix D Register of PCI-1751......................... 29

D.1 Register Format of PCI-1751.................................................................. 30

Chapter 1

1General Information

PCI-1751 User Manual 2

1.1 Introduction

The PCI-1751 is a 48-bit DI/O and counter/timer card with PCI bus. It provides you

with 48 bits of parallel digital input/output as well as 3 timers. It emulates mode 0 of

the 8255 PPI chip, but the buffered circuits offer a higher driving capability than the

8255.

The card emulates two 8255 PPI chips to provide 48 DI/O bits. The I/O bits are

divided into six 8-bit I/O ports: A0, B0, C0, A1, B1 and C1. You can configure each

port as either input or output via software.

The dual interrupt handling capability provides users the flexibility to generate inter-

rupts to a PC. A pin in the connector can output a digital signal simultaneously with

the card's generating an interrupt. This card uses a high density SCSI 68-pin connec-

tor for easy and reliable connections to field devices.

Two other features give the PCI-1751 practical advantages in an industrial setting.

When the system is hot reset (the power is not turned off) the PCI-1751 retains the

last I/O port settings and output values if the user has set jumper JP4 to enable this

feature. Otherwise, port settings and output values reset to their safe default state, or

to the state determined by other jumper settings. The PCI-1751's other useful feature

is it supports both wet and dry contacts, allowing it to interface with other devices

more easily.

1.1.1 Numbering Convention

All numbers given in this manual are in decimal format unless specifically noted oth-

erwise. In particular, where a register address is given as (Base + 32), the decimal

number "32" should be added to the base value.

1.2 Features

48 TTL level digital I/O lines.

Emulates mode 0 of 8255 PPI

Buffered circuits provide higher driving capability

Interrupt handling

Interrupt output pin for simultaneously triggering external devices with the inter-

rupt

High density SCSI 68-pin connector

Output status readback

Two 16-bit timers can be cascaded to one 32-bit timer, and can generate watch-

dog timer interrupts

One 16-bit event counter can generate event interrupts

Keeps port I/O settings and digital output states after hot system reset

Supports dry contact and wet contact

1.3 Applications

Industrial AC/DC I/O devices monitoring and control

Relay and switch monitoring and control

Parallel data transfer

Sensing the signals of TTL, DTL, CMOS logic

Driving indicator LEDs

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