Rockwell Automation Publication 5069-UM003B-EN-P - January 2020 83
Compact 5000 I/O Serial Module Configuration Chapter 4
You can have additional configurable parameters depending on your parameter 
choice for a channel. What you choose can have additional parameters.
See Figure 26
 for an example of Modbus Master options.
See Figure 27
 for an example of Modbus Slave options
Figure 26 - Modbus Master Module Definition Parameters
IMPORTANT On the module definition screen, you will see two options at the top for 
moving the commands up and down. If either of these buttons are used, 
make sure that the user program is adjusted to reflect the new location of 
the command or the program will show and error.