Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 163)

Publication 1757-UM006A-EN-P - May 2002
Using the 1788-CN2FF, ControlNet-to-FOUNDATION Fieldbus H1 Linking Device 7-3
ControlNet, you must choose different MAI blocks as shown in the
Figure 7.2.
Figure 7.2 Sample Multiple Macrocycle MAI Configuration
You do not have to connect to all the channels in an MAI block
instance before using another instance. You do not have to use the
channels in order. That is, you may use channels CN_A0 and CN_A5
and not use any of the others.
As shown in the lower loop of Figure 7.2, you can connect any
parameter that is a float value and status combination to the MAI
block. In other words, you can bring values from any function block
to the PLC processor. The MAI block is not limited to interfacing with
AI function blocks.