Rockwell Automation Allen-Bradley DriveLogix 5730 User Manual page 154

7-20 Communicating with Devices on an ControlNet Link
ControlNet
DriveLogix1
tagA
tagB
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.
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.
For this item:
Communication Path
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.
DINT
Real
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:
1,4,2,27,1,0
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
DriveLogix2 (controllerb)
tagA DINT
tagB Real
workstation