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10
MicroLogix™ 1762-OW8 Relay Output Module
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 through 7 correspond to output
terminals 0 through 7.
15
14
13
0
0
0
0
w = write only, 0 = always at a 0 or OFF state
Addressing
The addressing scheme for 1762 Expansion I/O is shown below.
Output
(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.
1762-IN003A-US-P
12
11
10
9
0
0
0
0
Slot Number
Data File
O0:x.0/0
Slot Delimiter
Word Delimiter
Bit Position
8
7
6
5
0
w
w
w
(1)
Word (always zero for this module)
Bit Delimiter
4
3
2
1
w
w
w
w
Bit (0 - 7)
0
w
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