Rockwell Automation 1771-ASB/E Remote I/O Adapter User Manual User Manual

Page 48

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3–18

Addressing Modes for Your Remote I/O

Publication 1771-UM001A-US-P - February 2000

When you select 1-slot addressing, each individual slot (one I/O
group) is assigned to the corresponding word in the input or output
image tables. You assign one I/O rack number to eight I/O groups
(Figure 3.16).

Figure 3.16

I/O Image Table and Corresponding Hardware for One

Assigned Rack Number with 1Ćslot Addressing

I

I

I

O O O O

I

2 3

0 1

Not

Used

Always

0

0

1

2

3

4

5

6

7

0

1

2

3

4

5

6

7

4 5

6 7

W ord #

W ord #

O utput Im age Table

Input Im age Table

14967

I/O Group Designation

Input/Output Designation

An I/O chassis with 1Ćslot addressing

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