Rockwell Automation 5720 DriveLogix System User Manual
Page 131
Publication 20D-UM002C-EN-P - November 2003
Communicating with Devices on an EtherNet/IP Link 6-15
Communicating with other controllers over EtherNet/IP
The DriveLogix controller also uses MSG instructions to communicate with
PLC and SLC controllers. The MSG instructions differ depending on which
controller initiates the instruction.
For MSG instructions originating from a DriveLogix controller to a PLC or
SLC controller:
Type of MSG
Instruction:
Supported Source File Types:
Supported Destination File Types:
DriveLogix writes
to PLC-5 or SLC
In the DriveLogix controller, specify the source data type
based on the destination device:
PLC-5: SINT, INT, DINT, or REAL
SLC: INT, REAL
Example source element: array_1
Specify the destination file type based on the
destination device:
PLC-5 typed write: S, B, N, or F
PLC-5 word-range write: S, B, N, F, I, O, A, or D
SLC: B, N or F
Example destination tag: N7:10