National Instruments DAQ 6527 user manual

DAQ

6527 User Manual

Isolated Digital I/O Interface

for PCI, PXI, and CompactPCI

6527 User Manual

December 1999 Edition

Part Number 322164A-01

Contents

Main Page Important Information Warranty Copyright Trademarks WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Contents Page Page About This Manual How To Use the Manual Set Conventions Related Documentation Introduction About the 6527 Device Using PXI with CompactPCI What You Need to Get Started Unpacking Software Programming Choices National Instruments Application Software NI-DAQ Driver Software Optional Equipment Custom Cabling Safety Information Installation and Configuration Software Installation Hardware Installation Board Configuration Signal Connections I/O Connector Chapter 3 Signal Connections 6527 User Manual 3-2 www.ni.com Note For input ports, connect the higher voltage to the DIG+ pin and the lower voltage to Figure 3-1. 6527 Device Connector Pin Assignments Cable Assembly Connectors Figure 3-2. Cable-Assembly Connector 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 Output Channels Page Page Overcurrent Protection Power-on and Power-off Conditions Device Overview Functional Overview Figure 4-1. 6527 Block Diagram PCI Interface Circuitry Digital I/O Circuitry You can use your 6527 board as follows: Output ports Write Read back 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 NI Web Support Online Problem-Solving and Diagnostic Resources Software-Related Resources Worldwide Support Glossary Numbers/Symbols A C D G H I L M Page T V W Index Numbers B C D E F G H I R S T U W