©
National Instruments Corporation ix PC-DIO-24/PnP Us er Manual

About

This

Manual

This manual describes the mechanical and electrical aspects of the
PC-DIO-24/PnP and contains information concerning its operation and
programming.
The PC-DIO-24/PnP is a member of the National Instruments family of
I/O channel expansion boards for ISA computers. These boards are
designed for high-performance, low-cost data acquisition and control
for applications in laboratory testing, production testing, and industrial
process monitoring and control.
This manual applies to the PC-DIO-24PnP and to the PC-DIO-24, a
non-Plug and Play device. The boards are identical except for the
differences listed in Appendix D, Using Your PC-DIO-24 (Non-PnP)
Board.
Organization of This Manual
The PC-DIO-24/PnP User Manual is organized as follows:
• Chapter 1, Introduction, describes the PC-DIO-24/PnP, lists what
you need to get started, describes software programming choices,
optional equipment, and custom cables, and explains how to
unpack the PC-DIO-24/PnP.
• Chapter 2, Installation and Configuration, describes how to install
and configure the PC-DIO-24/PnP.
• Chapter 3, Signal Connections, includes timing specifications and
signal connection instructions for the PC-DIO-24/PnP I/O
connector.
• Chapter 4, Theory of Operation, contains a functional overview of
the PC-DIO-24/PnP board and explains the operation of each
functional unit making up the PC-DIO-24/PnP.
• Appendix A, Specifications, lists the specifications for the
PC-DIO-24/PnP board.
• Appendix B, OKI 82C5 5A Data Sheet, contains the manufacturer
data sheet for the OKI Semiconductor 82C55A CMOS PPI.