Rockwell Automation Publication 1769-IN088A-EN-P - February 2011 135
I/O Memory Mapping        Chapter 3
1769-OF4CI
The following I/O memory mapping lets you configure the 1769-OF4CI 
module.
Input Data File
For each module, slot x, input data file words 2…5 contain the state of the 
module’s output data (output data echo) file words 0…3. During normal 
operation, these input words represent the analog values that the outputs are 
directed to by the control program.
Define To Select Make these bit settings
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Type / 
Range 
Select
-10…+10V 
DC
0000
0…5V DC 0001
0…10V DC 0010
4…20 mA
0011
1…5V DC 0100
0…20 mA 0101
Data 
Format 
Select
Raw/
Proportional 
Counts
000
Engineering 
Units
001
Scaled for 
PID
010
Percent 
Range
011
Word
Bit Position
1514131211109876543210
0 S3S2S1S0
1 H3U3O3 H2U2O2 H1U1O1 H0U0O0
2 Channel 0 Data Value
3 Channel 1 Data Value
4 Channel 2 Data Value
5 Channel 3 Data Value