Advantech PCI-1753 User manual

PCI-1753/1753E

96/192-bit Digital I/O Card

User's manual

This documentation and the software included with this product are

copyrighted 1999 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 infringe-

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

Acknowledgments

PC-LabCard is a trademark ofAdvantech Co., Ltd. IBM and PC are

trademarks of International Business Machines Corporation. MS-

DOS and Windows are trademarks of Microsoft Corporation. Intel and

Pentium are trademarks of Intel Corporation.

CE Notification

The PCI-1753/1753E, developed byADVANTECH 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.

Part No. 2003175300 1st Edition

Printed in Taiwan May 1999

On-line Technical Support

For technical support and service please visit our support website at

http://support.advantech.com

Contents

CHAPTER 1 General Information ......................... 1

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

1.2 Features.................................................................. 4

1.3 Applications ........................................................... 4

1.4 Specifications....................................................... 5

1.5 Pin Assignments..................................................... 6

1.6 Block Diagram ....................................................... 7

CHAPTER 2 Installation ......................................... 9

2.1 Initial Inspection................................................... 10

2.2 Unpacking ............................................................ 10

2.3 Jumper Settings .....................................................11

2.4 Installation Instructions ........................................ 14

CHAPTER 3 Operation ......................................... 17

3.1Overview .............................................................. 18

3.2 Digital I/O Ports ................................................... 18

3.2.1 Introduction ...........................................................................................18

3.2.2 8255 Mode 0..........................................................................................18

3.2.3 Input/Output Control ............................................................................19

3.2.4 Initial Configuration ...............................................................................19

3.2.5 Dry Contact Support for Digital Input .................................................20

3.3 Interrupt Functions............................................... 21

3.3.1 Introduction ...........................................................................................21

3.3.2 IRQ Level ...............................................................................................21

3.3.3 Interrupt Control Registers ....................................................................21

3.3.4 Interrupt Source Control ........................................................................24

3.3.5 Interrupt Triggering Edge Control ..........................................................25

3.3.6 Interrupt Flag Bit ...................................................................................25

3.3.7 Pattern Match Interrupt Function .........................................................26

3.3.8 Change of State Interrupt Function .......................................................27

APPENDIX A Register Format of PCI-1753/

1753E................................................................... 29

A.1 PCI-1753 Register Format .......................................................................30

A.2 PCI-1753E Register Format .....................................................................31

APPENDIX B Pin Assignments of Cable PCL-

10268 ................................................................... 33

General Information

CHAPTER

2PCI-1753 User's Manual

1.1 Introduction

The PCI-1753 is a 96-bit digital I/O card for the PCI bus, which can

be extended to 192 digital I/O channels by connecting with its

extension board, PCI-1753E. The card emulates mode 0 of the 8255

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

than the 8255. The 96 I/O lines are divided into twelve 8-bit I/O

ports:A0, B0, C0,A1, B1, C1,A2, B2, C2,A3, B3 and C3. Users can

configure each port as input or output via software.

Easy to Install: Plug and Play

The PCI-1753 uses a PCI controller to interface the card to the PCI

bus. The controller fully implements the PCI bus specification Rev

2.1. All bus relative configurations, such as base address and inter-

rupt assignment, are automatically controlled by software.

Dry Contact Support for Digital Input

Each digital input channel at the PCI-1753/1753E accepts either 0 ~

5 VDC wet contact or dry contact inputs. This dry contact capability

allows the channel to respond to changes in external circuitry (e.g.,

the closing of a switch in the external circuitry) when no voltage is

present in the external circuit.

Reset Protection Fulfills the True Require-

ment of Industrial Applications

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

1753/1753E can either retain the last I/O port settings and outputs

value, or return to its default configuration, depending on the jumper

setting. This function protects the system from wrong operations

during unexpected system resets.

Interrupt Functions Ensure Faster System

Response

Two lines of each port C (i.e., ports C0, C1, C2 and C3) are connected

to an interrupt circuit. The “Interrupt Control Register” of the PCI-

Chapter 1 Gerneral Information 3

1753/PCI-1753E controls how these signals generate an interrupt.

More than one interrupt request signals can be generated at the same

time, and then the software can process these request signals by ISR.

The multiple interrupt sources provide the card with more capability

and flexibility.

The PCI-1753/1753E also provides “Pattern Match” interrupt

function for portA0. The card monitors the states of portA0 and

compares them with a pre-set pattern. When the received state

matches the pre-set pattern, the PCI-1753/1753E generates an

interrupt signal to the system.

“Change of State” interrupt function is provided at port B0. When

any signal line of port B0 changes its state, the card generates an

interrupt to the system to handle this event.

These interrupt functions release the CPU from the burden of pulling

all I/O points, enabling a PC to handle more I/O points with higher

performance.

Cost Savings for Increasing the Number of

Input/Output Lines

Industrial users are needing more and more digital I/O lines to

transmit data or to monitor/control outside devices. To meet this

trend and to satisfy user’s budget considerations, Advantech has

developed an extension board for the PCI-1753 called the PCI-

1753E. The PCI-1753E has almost the same structure as the PCI-

1753, without the interface controller. It shares PCI-1753’s interface

controller through a 10-cm flat cable connecting, so users can spend

less money while doubling the number of input/output lines.

Accessories for PCI-1753/1753E

The PCI-1753/1753E uses a 100-pin SCSI female connector. For easy

signal wiring, a PCI-1753 can be connected to two ADAM-3968s by a

100-pin to 2x68-pin SCSI cable (part number PCL-10268). The

ADAM-3968 allows easy access for wiring the individual pins of a 68-

pin SCSI connector. An ADAM-3968/50 adapter board converts the

68-pin connector to two opto-22 compatible 50-pin box headers for

connecting the PCI-1753/1753E to daughterboards, such as PCLD-

782B and PCLD-785B.

4PCI-1753 User's Manual

1.2 Features

•96/192 TTL digital I/O lines

•Emulates mode 0 of 8255 PPI

•Buffered circuits for higher driving capacity than 8255

•Multiple-source interrupt handling

•Interrupt output pin for simultaneously triggering external devices

with the interrupt

•Output status read-back

•“Pattern match” and “Change of state” interrupt functions for

critical I/O monitoring

•Keeps I/O setting and digital output values when hot system reset

•Supports dry contact and wet contact

•High-density 100-pin SCSI connector

1.3 Applications

•Industrial AC/DC I/O devices monitoring and controlling

•Relay and switch monitoring and controlling

•Parallel data transfer

•TTL, DTL and CMOS logic signal sensing

•Indicator LED driving

Chapter 1 Gerneral Information 5

1.4 Specifications

I/O Channels 96 digital I/O lines (PCI-1753 only)

192 digital I/O lines (using PCI-1753E extension)

Programming Mode 8255 PPI mode 0

Input Signal Logic level 0: 0.8 V max.

Logic level 1: 2.0 V min.

Output Signal Logic level 0:0.44 V max. @ 24 mA (sink)

Logic level 1:3.76 V min. @ 24 mA (source)

Transfer Rate 1.6 Mbytes/sec (tested under DOS, K6 300MHz

CPU)

Power Consumption +5 V @ 400 mA (typical)

+5 V @ 2.7 A (max.)

Operating Temperature 0 ~ +60°C (32 ~ 140°F) (refer to IEC 68-2-1, 2)

Storage Temperature -20 ~ +70°C (-4 ~ 158°F)

Operating Humidity 5 ~ 95%RH non-condensing (refer to IEC 68-2-3)

Connector One 100-pin SCSI female connector

Dimensions PCI-1753: 175 x 100 mm (6.9" x 3.9")

PCI-1753E: 175 x 100 mm (6.9" x 3.9")

MTBF over 75,013 hrs @ 25°C, ground fix environment

6PCI-1753 User's Manual

1.5 Pin Assignments

PA01

PA02

PA03

PA04

PA05

PA06

PA07

PB01

PB00

PB02

PB03

PB04

PB05

PB06

PB07

PC01

PC00

PC02

PC03

PC04

PC05

PC06

PC07

GND

PA11

PA10

PA12

PA13

PA14

PA15

PA16

PA17

PB11

PB10

PB12

PB13

PB14

PB15

PB16

PB17

PC11

PC10

PC12

PC13

PC14

PC15

PC16

PC17

VCC

PA00 2

152

100

51 PA21

PA22

PA23

PA24

PA25

PA26

PA27

PB20

PB22

PB23

PB24

PB25

PB26

PB27

PC21

PC20

PC22

PC23

PC24

PC25

PC26

PC27

GND

PA31

PA30

PA32

PA33

PA34

PA35

PA36

PA37

PB31

PB30

PB32

PB33

PB34

PB35

PB36

PB37

PC31

PC30

PC32

PC33

PC34

PC35

PC36

PC37

VCC

PA20

PA00 ~ PA07 : I/O pins of Port A0

PA10 ~ PA17 : I/O pins of Port A1

PA20 ~ PA27 : I/O pins of Port A2

PA30 ~ PA37 : I/O pins of Port A3

PB00 ~ PB07 : I/O pins of Port B0

PB10 ~ PB17 : I/O pins of Port B1

PB20 ~ PB27 : I/O pins of Port B2

PB30 ~ PB37 : I/O pins of Port B3

PC00 ~ PC07 : I/O pins of Port C0

PC10 ~ PC17 : I/O pins of Port C1

PC20 ~ PC27 : I/O pins of Port C2

PC30 ~ PC37 : I/O pins of Port C3

GND : Ground

VCC : +5V voltage output (1A max.)

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