54 Rockwell Automation Publication 1769-IN088A-EN-P - February 2011
Chapter 3 I/O Memory Mapping
1769-IA8I
The following I/O memory mapping lets you configure the 1769-IA8I module.
Input Data File
For each input module, slot x, word 0 in the input data file contains the current
state of the field input points. For the 1769-IA8I, bits 8 to 15 are not used.
1769-IA16
The following I/O memory mapping lets you configure the 1769-IA16 module.
Input Data File
For each input module, slot x, word 0 in the input data file contains the current
state of the field input points.
Word
Bit Position
1514131211109876543210
0
0 0 0 0 0 0 0 0r
(1)
(1) r = read.
rrrrrrr
Word
Bit Position
1514131211109876543210
0r
(1)
(1) r = read.
rrrrrrrrrrrrrrr
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