Measurement PCIe-DIO96H User Manual

PCI-PDISO8

Document Revision 10
April 2012
© Copyright 2012

User's Guide

Isolated Input and Relay Output

HM PCI-PDISO8.docx

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Table of Contents

Preface

About this User's Guide ....................................................................................................................... 4

What you will learn from this user's guide ......................................................................................................... 4

Conventions in this user's guide ......................................................................................................................... 4

Where to find more information ......................................................................................................................... 4

Register-level programming ............................................................................................................................................. 4

Chapter 1

Introducing the PCI-PDISO8................................................................................................................. 5

Overview: PCI-PDISO8 features ........................................................................................................................ 5

Chapter 2

Installing the PCI-PDISO8 ..................................................................................................................... 6

What comes with your PCI-PDISO8 shipment? ................................................................................................. 6

Hardware .......................................................................................................................................................................... 6

Software ............................................................................................................................................................................ 6

Documentation ................................ ................................................................ ................................................................ .. 6

Optional components ........................................................................................................................................................ 6

Unpacking........................................................................................................................................................... 6

Installing the software ........................................................................................................................................ 6

Installing the hardware ....................................................................................................................................... 6

Signal connections .............................................................................................................................................. 7

P2 pinout ........................................................................................................................................................................... 8

Cabling.............................................................................................................................................................................. 8

Signal termination ............................................................................................................................................................. 9

Chapter 3

Functional Details ............................................................................................................................... 10

Relay outputs .................................................................................................................................................... 10

Form C relay ................................................................................................ ................................................................ ....10

Form A relay ....................................................................................................................................................................10

Isolated inputs ................................ ................................................................ ................................................... 11

Extending the input range ................................................................................................................................................11

AC input filter ..................................................................................................................................................................11

Mechanical drawing ......................................................................................................................................... 12

Chapter 4

Specifications ...................................................................................................................................... 13

Isolated inputs ................................ ................................................................ ................................................... 13

Power consumption .......................................................................................................................................... 13

Environmental .................................................................................................................................................. 13

Main connector and pin out .............................................................................................................................. 14

Declaration of Conformity .................................................................................................................. 15

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About this User's Guide

What you will learn from this user's guide

This user's guide describes the Measurement Computing PCI-PDISO8 data acquisition device and lists device
specifications.

Conventions in this user's guide

For more information

Text presented in a box signifies additional information and helpful hints related to the subject matter you are
reading.

Caution! Shaded caution statements present information to help you avoid injuring yourself and others,

damaging your hardware, or losing your data.

bold text Bold text is used for the names of objects on a screen, such as buttons, text boxes, and check boxes.

italic text Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase.

Where to find more information

Additional information about the PCI-PDISO8 is available on our website at www.mccdaq.com. You can also
contact Measurement Computing Corporation by phone, fax, or email with specific questions.

Preface

 Phone: [phone] and follow the instructions for reaching Tech Support
 Fax: [phone] to the attention of Tech Support
 Email: [e-mail]

Register-level programming

You should use the Universal Library to control your board. Only experienced programmers should attempt
register-level programming. If you need to program at the register level in your application, refer to the Register
Map for the PCI-PDISO8. This document is available on our web site at

www.mccdaq.com/registermaps/RegMapPCI-PDISO8.pdf.

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Chapter 1

Introducing the PCI-PDISO8

Overview: PCI-PDISO8 features

The PCI-PDISO8 is an eight channel-isolated high voltage digital input and eight relay output interface board.
You can use the PCI-PDISO8 for control and sensing applications where high voltages need to be sensed or
controlled.

Caution! High voltages are present on the PCI-PDISO8 board when you connect high voltage inputs or

outputs to the PCI-PDISO8 connector. Use extreme caution! Never handle the PCI-PDISO8 when
signals are connected to the board through the connector.
Never remove the protective plates from the PCI-PDISO8.

The eight inputs are individual, optically-isolated (500 V) inputs that can be read back as a single byte. The
inputs are not polarity sensitive and may be driven by either AC (50 - 1000 Hz) or DC. Each input channel has a
programmable low-pass filter with a time constant of 5 ms (200 Hz).

The eight outputs are electromechanical relays. Five relays provide Form C connections, and three relays
provide normally-open Form A connections. The relays are controlled by writing to an eight-bit port. The relay
control register can be read back from the same port.

Signal conditioning installed

The PCI-PDISO8 is a combination digital I/O board with signal conditioning installed. Most accessory boards
provide signal conditioning or easy-to-access signal termination. The PCI-PDISO8 does not require additional
signal conditioning.

PCI-PDISO8 functions are illustrated in the block diagram shown here.

Figure 1. PCI-PDISO8 block diagram

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