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Scanner configuration and programming, Understanding remote input and output image files, Chapter 4 – Rockwell Automation 1747-SN Remote I/O Scanner User Manual

Page 45

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Publication 1747-UM013B-EN-P - January 2005

Chapter

4

Scanner Configuration and Programming

This chapter contains information necessary to:

• understand remote I/O image files
• understand RIO configuration using G files
• control and view RIO devices using the M0 and M1 files
• understand slot addressing
• quickly configure the RIO Scanner

Understanding Remote
Input and Output Image
Files

The SLC system allows you to assign up to 32 words of input and
output image data to a scanner. This allows your scanner to access a
maximum of 4 full logical racks (512 input and output points) of data
from remote devices.