Measurement Computing CIO-DI48 - Manual (Page 5)

1.0 INTRODUCTION
The CIO-DI48, 96 and 192 are designed to have the best quality and lowest cost of
any digital input board.
Throughout this m anual the model number CIO-DI## is use d when the information
applies to the CIO-DI48, CIO-DI96 and CIO-DI192 inclusive. Exclusive information
for a particular version will be identified.
CIO-DI48 is a dedicated 48-line digital input board built up of six, eight-input logic
chips. There are no control registers. The input pins present a single LSTTL load.
Similarly, the 96-line and 192-line versions use 12 or 24 ei ght-input logic chips
respectively.
The CIO-DI## also conforms to the connector pin specification of all the CIO-DIO
family of digital boards, so m ay be used in place of one another without changing
cabling or connectors.
All these products are supported by Universal Library programming library.
A group of application notes at the end of this manual describes electrical interfacing
subjects that may be useful for digital I/O applications.
2.0 SOFTWARE INSTALLATION
In order to easily test your installation, it is recommended that you install InstaCal, the
installation, calibration and test utility that was supplied with your board. Refer to the
Extended Software Installation Manual
for information on the initial setup, loading,
and installation of InstaCal and optional Universal Library software.
InstaCal will guide you through hardware settings and allow you to easily test for
conflicts. If you decide not to use Instacal to assist board configuration, details are
provided in the following section.
1