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National Instruments 6527 Series User Manual

National Instruments 6527 Series
37 pages
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DAQ
6527 Register-Level
Programmer Manual
6527 Register-Level Programmer Manual
September 2001 Edition
Part Number 370106B-01
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National Instruments 6527 Series Specifications

General IconGeneral
BrandNational Instruments
Model6527 Series
CategoryI/O Systems
LanguageEnglish

Summary

Important Information

Warranty Details

Details the warranty period and National Instruments' responsibilities for defective equipment and software media.

Copyright and Legal Notices

Outlines copyright laws, trademark usage, and legal disclaimers regarding the manual and product.

Product Usage Warning

Alerts users to critical safety warnings regarding the use of National Instruments products in life-support systems.

About This Manual

Manual Content Overview

Describes the information contained in the manual for register-level programming of 6527 devices.

Using the Manual Set

Guides users on how to utilize the 6527 Register-Level Programmer Manual alongside other documentation.

Conventions

Document Conventions

Explains the typographical and symbolic conventions used throughout the manual for clarity.

Chapter 1: Getting to Know Your 6527

PCI Interface Overview

Introduces the PCI MITE ASIC used for communication and the need to initialize the PCI interface.

General Operation Registers

Describes the main input/output registers and the Clear Register for resetting functions.

Digital Filtering Option

Explains how to enable/disable filtering to reduce glitches and the use of filter intervals.

Change Notification Option

Details using change notification to generate interrupts on input line changes.

Chapter 2: Register Map and Descriptions

Register Overview

Summarizes register groups: General Operation, Digital Filtering, and Change Notification.

Port Registers (Input/Output)

Describes input registers for optocoupler states and output registers for solid-state relay control.

Key Control Registers

Groups ID, Clear, and Master Interrupt Control Registers for device identification and function management.

Filter and Edge Detection Configuration

Covers registers for setting filter intervals, enabling filtering, and configuring edge detection interrupts.

Status Registers

Details the Change Status Register, which indicates the status of change detection events.

Chapter 3: Programming

Common Terms

Lists and defines terms commonly used in programming examples, such as port addresses and registers.

PCI Initialization

Guides on initializing the PCI local bus and configuring the device for PC and Macintosh systems.

PCI Initialization Examples

Provides pseudocode examples for re-mapping the PCI MITE and activating the device for specific platforms.

Programming Digital I/O Inputs

Explains reading input data from ports and configuring digital filtering for input lines.

Programming Digital I/O Outputs

Details controlling solid-state relays on output ports by writing digital values to port registers.

Change Notification and Interrupts

Covers configuring, handling, and disabling change notification interrupts for input line changes.

Appendix A: Technical Support Resources

Web and Developer Support

Directs users to National Instruments' web support, developer zone, and online resources for assistance.

Customer Education and Training

Provides information on training options, courses, and educational materials for users to enhance skills.

System Integration Services

Offers guidance on consulting or employing system integration services for complex projects and solutions.

Worldwide Support Network

Informs users about National Instruments' global offices and how to contact them for timely support.

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