Rockwell Automation Allen-Bradley DriveLogix 5730 User Manual page 132

6-34 Communicating with Devices on an EtherNet/IP Link
Each produced tags requires one connection for the producing controller
and an additional connection for each consuming controller. Each
consumed tag requires one connection.
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, the ladder logic sends the count_msg MSG.
3. Configure the MSG instruction. On the Configuration tab:
For this item:
Message Type
Source Tag
Number of Elements
Destination Tag
4. On the Communication tab, specify the communication path.
Use the Browse button to select the device that will receive the MSG
instruction. The communication path in this example is:
For this item:
Communication Path
Specify:
CIP Data Table Read or
CIP Data Table Write
Tag containing the data to be transferred
Number of array elements to transfer
Tag to which the data will be transferred
Specify:
1,1,2,xxx.xxx.xxx.xxx,1,0
where:
1 is the virtual backplane of DriveLogix1
1 is the slot of the Ethernet port in the controller
(note, the 1,1 displays as LocalENB)
2 is the EtherNet/IP network
100.100.115.11 is the IP address of DriveLogix2
1 is the virtual backplane of DriveLogix2
0 is the controller slot of DriveLogix2