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

Page 160

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Communicating with Devices on a ControlNet Link

3. Configure the MSG instruction. On the Configuration tab:

4. On the Communication tab, specify the communication path.

A communication path requires pairs of numbers. The first number in the
pair identifies the port from which the message exits. The second number
in the pair designates the node address of the next device.

Example 2: Producing and Consuming Tags

Produced data must be of DINT or REAL data type or an array or structure.
You can use a user-defined structure to group BOOL, SINT, and INT data to
be produced. You can produce a base, alias, or consumed tag.

The consumed tag must have the same data type as the produced tag in the
originating controller. The controller performs type checking to ensure
proper data is being received.

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

1,4,2,27,1,0
where:
1 is the virtual backplane of DriveLogix1
4 is 1788-CNC daughtercard in slot 1
2 is the ControlNet port
27 is the ControlNet node of DriveLogix2
1 is the virtual backplane of DriveLogix2
0 is the controller slot of DriveLogix2

ah

w0934.eps

ControlNet

DriveLogix1
tagA

DINT

tagB

Real

workstation

DriveLogix2 (controllerb)
tagA

DINT

tagB

Real

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