I1:x.0/0, Labeling the terminals, Input data file – Rockwell Automation 1762-IF4 MicroLogix Analog Input Module User Manual
Page 16: 1762 expansion i/o addressing
16 MicroLogix 1762-IF4 Analog Input Module
Publication 1762-IN012C-EN-P - June 2013
Labeling the Terminals
A write-on label is provided with the module. Mark the identification of each terminal with
permanent ink, and slide the label back into the door.
1762 Expansion I/O Addressing
The addressing scheme for 1762 Expansion I/O is represented in the following figure.
Input Data File
For each module, slot x, words 0…3 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
either configuration is shown below.
Wo
rd
Bit Position
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
SGN0
Channel 0 Data
1
SGN1
Channel 1 Data
2
SGN2
Channel 2 Data
3
SGN3
Channel 3 Data
4
reserved
S3
S2
S1
S0
5
U0
O0
U1
O1
U2
O2
U3
O3
reserved
6
reserved
I1:x.0/0
Slot number
(1)
Data file
Input
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.