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Rockwell Automation 1747-SN Remote I/O Scanner User Manual

Page 22

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Publication 1747-UM013B-EN-P - January 2005

1-14 Overview

Complementary I/O: Placing Modules with 1/2-Slot Addressing

The figure below illustrates a possible module placement to configure
complementary I/O using 1-slot addressing.

I

1

2

01

23

45

67

01

23

Example 1

Example 2

I = Input Module (8-, 16-, or 32-point) O = Output Module (8-, 16-, or 32-point)
BT = Block Transfer Module

1 = Output modules use the same output image table bits. This is not recommended.

I

I

O

O

O

O

BT

I

45

67

01

23

O

O

I

I

I

O

O

1

I

I

I

O

O

I

I

I

I

I

I

I

I

O

O

O

O

O

O

O

O

2 = Must be empty if corresponding primary slot is block transfer

.

01

23

45

67

01

23

45

67

01

23

O

O

E
M
P
T
Y