Instruction Manual

16 MicroLogix 1762-OB32T Solid State 24V DC Source Output Module
Publication 1762-IN020B-EN-P - June 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
Word1514131211109876543210
0 wwwwwwwwwwwwwwww
1 wwwwwwwwwwwwwwww
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 lcoated on the controller (embedded I/O) is slot 0. I/O added to the controller (expansion I/O) begins with slot 1.