Rockwell-automation 5720 DriveLogix System Manual de usuario descargar pdf (Pagina 171)

Publication 20D-UM002C-EN-P - November 2003

Communicating with Devices on a ControlNet Link 7-25

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.

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 1,1,2,27,1,0

where:

1 is the DriveLogix backplane of DriveLogix1

1 is 1788-CNC daughtercard in slot 1

2 is the ControlNet port

27 is the ControlNet node of DriveLogix2

1 is the DriveLogix backplane of DriveLogix2

0 is the controller slot of DriveLogix2

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Rockwell-automation 5720 DriveLogix System Manual de usuario Pagina 171