Rockwell Automation 5720 DriveLogix System - Manual (Page 141)

Publication 20D-UM002C-EN-P - November 2003
Communicating with Devices on an EtherNet/IP Link 6-25
Example 2: DriveLogix
Controller to DriveLogix
Controller In the following example, one DriveLogix controller communicates with
another DriveLogix controller over EtherNet/IP. 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.
! EtherNet/IP
DriveLogix1
1,1,2,xxx.xxx.xxx.xxx,1,0
DriveLogix2
1,1,2,xxx.xxx.xxx.xxx,1,0
EtherNet/IP Distributed control
workstation
! EtherNet/IP
count_send
/
count_msg.en
EN
DN
ER
Type - Unconfigured
Message Control
count_msg ...
MSG