Rockwell Automation MD65 EtherNet/IP Communication Module User Manual
Page 69
Using Multi-Drive Mode
8-5
Figure 8.5 illustrates the Multi-Drive I/O image with 16-bit words.
Note: If a daisy-chained drive is disconnected from the RS-485
(MDI) network or powered down, the Logic Status and Feedback
words for the affected drive will be set to 0.
Figure 8.5 – Multi-Drive Mode Example for Network
Controller
Scanner
Adapter
Word and I/O
EtherNet/IP
MDI
Output
Image
(Write)
Input
Image
(Read)
Message
Handler
Message
Buffer
0 Logic Command
1 Reference
2 Logic Command
3 Reference
4 Logic Command
5 Reference
6 Logic Command
7 Reference
8 Logic Command
9 Reference
0 Logic Status
1 Feedback
2 Logic Status
3 Feedback
4 Logic Status
5 Feedback
6 Logic Status
7 Feedback
8 Logic Status
9 Feedback
MD65 Drive 2
MD65 Drive 0
MD65 Drive 1
MD65 Drive 3
MD65 Drive 4
MD65 Drive 0
MD65 Drive 1
MD65 Drive 2
MD65 Drive 3
MD65 Drive 4