O0:x.0/0, 1762 expansion i/o addressing – Rockwell Automation 1762-OV32T MicroLogix Solid State 24V DC Sink Output User Manual
Page 16
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16 MicroLogix 1762-OV32T Solid State 24V DC Sink Output Module
Publication 1762-IN021B-EN-P - July 2013
I/O Memory Mapping
For each output module, slot x, words 0...1 in the output data file contain the control program’s
directed state of the digital output points.
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is represented in the following figure.
Output Data File
Bit Position
Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
1
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
w
Where:
w = write
O0:x.0/0
Slot number
(1)
Data file
Output
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.
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