National Instruments 6527 Using the 6527

©NationalInstruments Corporation 4-1 6527User Manual

Using the 6527

This chapter contains a functional overview of the 6527 device, explains

the operation of each functional unit, and describes the digital filter and

change detection options.

Functional Overview

Theblock diagram inFigure 4-1illust rates the key functional components

ofy our 6527 device,which i ncludes PCI interface circuitry, digital I/O

circuitry, and optical isolation circuitry.

Contents

Main Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Contents Page About This Manual How To Use the Manual Set Conventions Related Documentation Getting Started with Your 6527 About the 6527 Device Using PXI with CompactPCI What You Need to Get Started Software Programming Choices National Instruments Application Software NI-DAQ Driver Software Optional Equipment Custom Cabling Safety Information Unpacking Installing and Configuring the 6527 Installing Software Installing the 6527 Page Configuring the 6527 Making Signal Connections I/O Connector Chapter3 MakingSignal Connections 6527User Manual 3-2 ni.com Note Forinput ports, connect the higher voltage to the DIG+ pin and the lower voltage to Input Outputwith Readback Figure3-1. 6527Connector Pin Assignments Cable Assembly Connectors Figure 3-2. Cable-AssemblyConnector Pinout for the R1005050 Ribbon Cable I/O Connector Signal Descriptions Power Connections Isolation Voltages Optically Isolated Inputs Input Channels Sensing DC Voltages Signal Connection Example Reducing the Forward Current for High Voltages Solid-State Relay Outputs Figure3-5. Signal Connections for Solid-State Relays Output Channels Page Overcurrent Protection Power-on and Power-offConditions Using the 6527 Functional Overview Figure4-1. 6527Block Diagram PCI Interface Circuitry Digital I/O Circuitry Optical Isolation Circuitry Digital Filtering Page Change Notification Page A Specifications Digital I/O Isolated Inputs Relay Outputs Power Requirement Physical Environment Safety B Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Numbers/Symbols A Page Page Page Index Numbers B C D E F G H I R S T U W