O0:x.0/0, Output data file, 1762 expansion i/o addressing – Rockwell Automation 1762-OW16 Relay Output Module User Manual
Page 14
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14 MicroLogix 1762-OW16 Relay Output Module
Publication 1762-IN009C-EN-P - July 2013
I/O Memory Mapping
Output Data File
For each output module, the output data file contains the controller-directed state of the discrete
output points. Bit positions 0…15 correspond to output terminals 0…15.
w = write only
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is shown below.
Wo
rd
Bit Position
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
O0:x.0/0
Slot number
(1)
Data file
File Type
Output (O)
Slot delimiter
Word delimiter
Bit delimiter
Bit (0...15)
Word (always 0 for this module)
(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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