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© National Instruments Corporation 1-1 PC-OPDIO-16 User Manual
Chapter 1
Introduction
This chapter describes the PC-OPDIO-16; lists what you need to get started; describes the
optional software and optional equipment; and explains how to unpack your PC-OPDIO-16.
About Your PC-OPDIO-16 Board
Thank you for purchasing the PC-OPDIO-16, which is an optically isolated digital I/O board for
PC/XT/AT and IBM Personal System 2 (PS/2) models 25 and 30 computers. Each board has
eight optically isolated digital inputs and eight optically isolated digital outputs. You can control
and sense digital levels up to 24 VDC. You can install the PC-OPDIO-16 in any 8-bit or 16-bit
expansion slot on a PC.
The low cost of a system based on the PC-OPDIO-16 makes it ideal for laboratory work in
industrial and academic environments. You can use the optically isolated digital I/O lines to
switch external devices, such as transistors and solid-state relays, and to read the status of
external digital logic. Because the PC-OPDIO-16 is optically isolated, you can decouple the
noise and harsh ground of the PC from the real-world signals and vice versa.
Your PC-OPDIO-16 board, used in conjunction with the PC, is a versatile, cost-effective
platform for laboratory test, measurement, and control.
Detailed specifications of the PC-OPDIO-16 are in Appendix A, Specifications.
What You Need to Get Started
To set up and use your PC-OPDIO-16, you will need the following:
PC-OPDIO-16 board
PC-OPDIO-16 User Manual
One of the following software packages and documentation:
LabVIEW
LabWindows/CVI
NI-DAQ software for PC compatibles, version 4.8 or later
CB-50 LP (low cost) or CB-50 I/O connector block with 0.5 or 1.0 m NB1 connector cable
Your computer