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Chapter 3, 1769-if4 input module addressing, 1769-if4 input module addressing -1 – Rockwell Automation 1769-OF2 Compact I/O Analog Modules User Manual

Page 51: Chapter

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Publication 1769-UM002B-EN-P - July 2005

Chapter

3

Module Data, Status, and Channel
Configuration for the Input Modules

This chapter examines the analog input modules’ data table, channel status,
and channel configuration word. The 1769-IF4 module information follows.
For 1769-IF8 module information, see page 3-16.

1769-IF4 Input Module
Addressing

The 1769-IF4 memory map shows the input and configuration image tables
for the 1769-IF4. Detailed information on the input image table can be found
in 1769-IF4 Input Data File on page 3-2.

Figure 3.1 1769-IF4 Memory Map

Channel 0 Data Word

Word 0
Word 1

Word 2

Word 3

Word 4, bits 0 to 3

Word 5, bits 0 to 15

Channel 1 Data Word

Channel 2 Data Word

Channel 3 Data Word

General Status Bits

Over-/Under-range Bits

Channel 0 Configuration Word
Channel 1 Configuration Word

Channel 2 Configuration Word

Channel 3 Configuration Word

Word 0
Word 1

Word 2
Word 3

Input Image

6 words

Configuration

File

4 words

slot e

slot e

Input Image

Configuration

File

Output Image

File

Memory Map

Bit 15

Bit 0