I1:x.0/0, 1762 expansion i/o addressing – Rockwell Automation 1762-IQ32T MicroLogix DC Input Module Manuel d'utilisation
Page 16
Advertising
16 MicroLogix 1762-IQ32T DC Input Module
Publication 1762-IN019B-EN-P - June 2013
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.
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is represented in the following figure.
Input Data File
Bit Position
Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
1
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
Where:
r = read
I1:x.0/0
Slot number
(1)
Data file
Input
Slot delimiter
Word delimiter
Bit delimiter
Bit (0...15)
Word
(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.
Advertising