Rockwell Automation 1762-IF2OF2 MicroLogix Analog Input/Output Module - Manual (Page 17)

MicroLogix 1762-IF2OF2 Analog Input/Output Module 17
Publication 1762-IN005C-EN-P - July 2013
I/O Memory Mapping
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is shown below.
Input Data File
For each module, slot x, words 0 and 1 contain the analog values of the inputs. The module can
be configured to use either raw/proportional data or scaled-for-PID data. The input data file for
each configuration is shown below.
Raw/Proportional Format
Wo
rd
Bit Position
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 Channel 0 Data 0…32760 0 0 0
1 0 Channel 1 Data 0…32760 0 0 0
2 reserved
3 reserved
4 reserved SO
1 SO
0 reserved SI
1 SI
0
5 UI
0 OI
0 UI
1 OI
1 reserved UO
0 OO
0 UO
1 OO
1 reserved
X1:x.0/0
Slot number (1)
Data file (0 or 1)
File Type
Input (I) or Output (O)
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.
Data File # 0 = Output
Data File # 1 = Input