Input image half of a scanner's i/o image – Rockwell Automation 1747-BSN Backup Scanner Module User Manual
Page 21
Publication 1747-UM010B-EN-P - September 2003
Overview 1-7
logical rack. Also, by crossing logical rack boundaries a device can
consist of more than one logical rack.
Input Image Half of a Scanner's I/O Image
IMPORTANT
The illustration below shows only the input image
configuration of the scanner’s I/O image. The output
image configuration is the same.
0
1
2
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8
9
10
11
12
13
14
15
0
8
1
8
2
8
3
8
4
8
5
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Quarter Logical
Rack
Not Used In This
Example
Half Logical
Rack
Not Used In This
Example
Three Quarter
Logical Rack
Not Used In This
Example
Full Logical
Rack
RIO Logical
Rack 0
RIO Logical
Rack 1
RIO Logical
Rack 2
RIOLogical
Rack 3
Bit Number (decimal)
Bit Number (octal)
Word 1
Word 2
Word 3
Word 0
Word 6
Word 7
Word 4
Word 5
Word 10
Word 11
Word 8
Word 9
Word 14
Word 15
Word 12
Word 13
Word 17
Word 18
Word 16
Word 21
Word 22
Word 19
Word 20
Word 25
Word 26
Word 23
Word 24
Word 27
Word 30
Word 31
Word 28
Word 29
Rack 0 Group 1
Rack 0 Group 2
Rack 0 Group 3
Rack 0 Group 0
Rack 0 Group 6
Rack 0 Group 7
Rack 0 Group 4
Rack 0 Group 5
Rack 1 Group 2
Rack 1 Group 3
Rack 1 Group 0
Rack 1 Group 1
Rack 1 Group 6
Rack 1 Group 7
Rack 1 Group 4
Rack 1 Group 5
Rack 2 Group 1
Rack 2 Group 2
Rack 2 Group 0
Rack 2 Group 5
Rack 2 Group 6
Rack 2 Group 3
Rack 2 Group 4
Rack 3 Group 1
Rack 3 Group 2
Rack 2 Group 7
Rack 3 Group 0
Rack 3 Group 3
Rack 3 Group 6
Rack 3 Group 7
Rack 3 Group 4
Rack 3 Group 5