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16
MicroLogix 1762-IQ32T DC Input Module
I/O Memory Mapping
For each input module, slot x, words 0...1 in the input data file contain the current state of the
field input points.
Input Data File
Bit Position
Word
15
14
0
r
r
1
r
r
Where:
r = read
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is represented in the following figure.
(1)
I/O located on the controller (embedded I/O) is slot 0. I/O added to the controller (expansion I/O) begins with slot 1.
Publication 1762-IN019B-EN-P - June 2013
13
12
11
10
r
r
r
r
r
r
r
r
Data file
I1:x.0/0
Input
9
8
7
6
r
r
r
r
r
r
r
r
(1)
Slot number
Word
Bit delimiter
Word delimiter
Slot delimiter
5
4
3
2
r
r
r
r
r
r
r
r
Bit (0...15)
1
0
r
r
r
r
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