How to use this guide – ADLINK PCI-7256 User Manual
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How to Use This Guide
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How to Use This Guide
This manual is for helping users to manipulate the PCI-7256. It is divided into 
5 chapters. 
• Chapter 1, Introduction, gives an overview of the product features,
applications, and specifications.
• Chapter 2, Installation, describes how to install the PCI-7256. The
layout of PCI-7256 is shown, and jumper setting for 
digital input filter, external LED connection and Board ID 
switch are specified. The connectors’ pin assignments 
are also described. 
• Chapter3, Register Format, describes the details of register format
and structure of the PCI-7256. This information is very 
important for the programmers who want to control the 
hardware by low level programming. 
• Chapter 4, Operation Theorem, describes how to operate the PCI-
7256. The latching relay, isolated digital input and 
change-of-state functions are introduced. Some 
programming concepts are also described. 
• Chapter 5, C/C++ libraries, describes the software utility and the
library of PCI-7256, and also describes how to meet your 
requirements and help you to program your own 
software application. 
• Appendix A, relay Contact Protection Circuits, provides the
information about relay contact protection circuits.