1747-scnr memory layout – Rockwell Automation 1747-SCNR ControlNet Scanner Module Reference Manual User Manual
Page 60
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Publication 1747-RM623D-EN-P - June 2006
B-4 Use CIP Messaging to Access Local Database and ControlNet Data Files
1747-SCNR Memory Layout
See the figure for an example of 1747-SCNR memory layout.
MO:2
O:1
1747-SCNR memory layout
Input
image file
I:0
I:1
I:2
I:3
I:31
Output
image file
O:0
O:2
O:3
O:31
M1 file
M1:0
M1:1
M1:2
M1:3
M1:254
M1:4
M1:255
M0 file
MO:3
MO:254
MO:4
MO:255
MO:700
MO:701
MO:954
MO:955
one-based
word offsets
41540
MO:0
1
2
3
4
32
ControlNet
output data
1
2
3
4
32
ControlNet
input data
ControlNet
input data
ControlNet
output data
M1:600
M1:607
1
2
3
4
5
255
256
1
2
3
4
5
255
256
601
608
701
702
955
956
Local
Database
1001
1651
M0:1000
M0:1650
connection
status bit
array
CIP
messaging
MO:1
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