Rockwell Automation RECOMM-IBUS Interbus Communications Module User Manual
Page 50

6-2
Interbus Communications Module
The I/O image table will vary based on the following:
•
Size (either 16-bit or 32-bit) of the Reference/Feedback word and
Datalink words used by the drive.
•
Configuration of DPI I/O Config (8) in the module. If all I/O is not
enabled, the image table is truncated. The image table always
uses consecutive words starting at word 0.
Figure 6.1 illustrates an example of an I/O image with 16-bit words.
Figure 6.1 – Sample I/O Image with All I/O Enabled
Controller
Scanner
Module
SP600 Drive
Interbus
DPI
Output
Image
(Write)
Input
Image
(Read)
0 Logic Status
1 Feedback
2 Datalink Out A1
3 Datalink Out A2
4 Datalink Out B1
5 Datalink Out B2
6 Datalink Out C1
7 Datalink Out C2
8 Datalink Out D1
0 Logic Command
1 Reference
2 Datalink In A1
3 Datalink In A2
4 Datalink In B1
5 Datalink In B2
6 Datalink In C1
7 Datalink In C2
8 Datalink In D1
Logic Status
Feedback
Data Out A1
Data Out A2
Data Out B1
Data Out B2
Data Out C1
Data Out C2
Data Out D1
Word and I/O
Message
Handler
Message
Handler
PCP
Communications
PCP Communications
M0/M1
Files
M0/M1
Files
Logic Command
Reference
Data In A1
Data In A2
Data In B1
Data In B2
Data In C1
Data In C2
Data In D1
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