Rockwell Automation 5720 DriveLogix System - Manual (Page 170)

Publication 20D-UM002C-EN-P - November 2003
7-24 Communicating with Devices on a ControlNet Link
Example 2: DriveLogix
Controller to DriveLogix
Controller In the following example, one DriveLogix controller communicates with
another DriveLogix controller over ControlNet. Each DriveLogix controller
has its own local I/O
Example 2: Sending a MSG instruction
To send a MSG from DriveLogix1 to DriveLogix2:
1. For DriveLogix1, create a controller-scoped tag and select the
MESSAGE data type.
2. Enter a MSG instruction.
In this example logic, a message is sent when a specific condition is met.
When count_send is set, send count_msg.
DriveLogix1 DriveLogix2
ControlNet
Distributed control
workstation