Rockwell Automation 5730 DriveLogix5730 Controller for PowerFlex 700S Drives with Phase II Control User Manual

Page 138

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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:

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:

ahw091

3.eps

For this item:

Specify:

Message Type

CIP Data Table Read or
CIP Data Table Write

Source Tag

Tag containing the data to be transferred

Number of Elements

Number of array elements to transfer

Destination Tag

Tag to which the data will be transferred

For this item:

Specify:

Communication Path

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

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