I/o memory mapping, Input data file, X1:x.0/0 – Rockwell Automation 1762-IF2OF2 MicroLogix Analog Input/Output Module User Manual
Page 17: 1762 expansion i/o addressing
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